CN1576478A - Formwork component for cast-in-place concrete - Google Patents

Abstract

A shuttering member for cast-in-situ concrete, comprising a polyhedral solid lightweight material member (1), characterized in that a groove (4) is arranged between at least one peripheral side surface (2) and a bottom surface (3) of the polyhedral solid lightweight material member (1). Thus, after the shuttering member is applied to the cast-in-situ building cover, the cast-in-situ concrete rib between the shuttering members forms an inverted T shaped rib, the cross sectional shape is changed from rectangular to inverted T shape, thereby greatly improving the mechanical property of the building cover, reducing the sectional dimension of the cast-in-situ concrete rib, reducing the consumption of steel bar and concrete, lowering the cost of the building cover, simultaneously, the shuttering member also has the advantages of simple structure, high strength, good deformation resistance and vibration resistance, easy manufacture, low cost, convenient construction, high construction speed, etc., and is suitable for the use of cast-in-situ concrete or prestressed reinforcement concrete building cover, room cover, wall, foundation slab and bridge, especially suitable for the use of flat slab building cover.

Description

Formwork component for cast-in-place concrete

(1) Technical field

The invention relates to a formwork component for cast-in-place concrete.

(2) Background technology

At present, the cast-in-place concrete floor is a widely used floor structure. The lightweight permanent tire mold filled in it has various hollow tubes and boxes, and the boxes are hollow or solid. For example, the patent No. ZL99249798.1, which the applicant applied for on November 29, 1999, is a utility model patent named "fiber-reinforced thin-walled member for reinforced concrete filling", which discloses a thin-walled formwork member, including an upper plate, The surrounding side walls, the lower bottom, and the upper plate, the surrounding side walls and the lower bottom form a polyhedral cavity. Another example is that the application number applied by the applicant on November 23, 2001 is 01140106.0, the publication number is CN1356442, and the name is an application for a patent for invention of "a cavity structure formwork for cast-in-place reinforced concrete floor slabs". The cavity structure disclosed by it Formwork, including "upper plate, surrounding side walls, and lower bottom, the upper plate, surrounding side walls, and lower bottom form a polyhedral cavity member. This cavity member has the advantages of light weight, high strength, simple structure, and convenient construction and transportation. At the same time, in actual use, the lower bottom can participate in the force, and can hang heavy objects without cracking the cast-in-place prefabricated joint surface. In addition, this kind of polyhedral cavity component, in order to effectively prevent and disperse mold The stress concentration between the shell and the cast-in-place concrete eliminates linear cracks, makes the bond between the lower bottom and the cast-in-place concrete better, and improves the overall performance. The peripheral side of the lower bottom can be made into a concave angle or an inverted cone shape , wavy, zigzag surface. Another example is the utility model patent No. ZL00203695.9 filed by Liang Jun of Shijiazhuang City, Hebei Province on February 23, 2000, and the name is "combined concrete hidden rib floor cover". A formwork member is disclosed, which can be solid or hollow, and its shape can be made into shapes such as rectangles, circles, and polygons according to design requirements. Another example is the patent No. It is a utility model patent of ZL01206422.X named "Empty Sandwich Panel Built-in Template". The built-in template is solid, and the template is a solid built-in template made of expanded polystyrene plastic, or a solid built-in template made of magnesium oxychloride material. template, or a solid built-in template made of perlite; the cross-sectional shape of the solid built-in template can be square, rectangular, circular, elliptical, arc-shaped, or a solid cross-sectional shape composed of circular arcs and straight lines. The above-mentioned These formwork members disclosed are used in densely ribbed floors. They are both formwork members and prefabricated filling members. They have the characteristics of simple structure, high strength, excellent deformation resistance, vibration resistance, easy manufacture, and low cost. However, the application After the cast-in-place concrete floor, the cast-in-place concrete ribs formed between the formwork members are all rectangular cast-in-place concrete ribs, and their mechanical performance is not very reasonable, so it is often necessary to increase the cross-sectional size of the cast-in-place concrete ribs and increase Reinforcing bar and concrete consumption increase the cost of the floor covering, therefore, it is urgent to develop a new type of cast-in-place concrete formwork member.

(3) Contents of the invention

The purpose of the present invention is to provide a formwork member for cast-in-place concrete, which has the characteristics of improving the mechanical properties of the floor, reducing the cross-sectional size of the cast-in-place concrete rib, reducing the amount of steel bars and concrete, reducing the cost of the floor, and convenient construction.

The solution of the present invention is based on the prior art and includes a polyhedral solid lightweight material component, which is characterized in that a groove is provided between at least one peripheral side and the bottom surface of the polyhedral solid lightweight material component. In this way, since the groove is arranged between the side and the bottom surface, after the formwork components are applied to the cast-in-place concrete floor, especially the ribbed floor, the cast-in-place concrete ribs between the formwork components form an inverted T-shaped rib. , its cross-sectional shape changes from a rectangle to an inverted T shape, so the mechanical properties of the floor are greatly improved, which can reduce the cross-sectional size of the cast-in-place concrete ribs, reduce the amount of steel bars and concrete, and reduce the cost of the floor. At the same time, the formwork components are also It has the characteristics of simple structure, high strength, excellent deformation resistance and vibration resistance, easy manufacture, low cost, convenient construction, fast construction speed, etc., thereby achieving the purpose of the present invention, and is suitable for cast-in-place reinforced concrete or prestressed reinforced concrete buildings Covers, roofs, walls, foundation slabs and bridges, especially for beamless floors.

The present invention is also characterized in that a groove is provided between at least two opposite peripheral sides and the bottom surface. In this way, when the formwork member is applied to the cast-in-place concrete floor, after the concrete is poured into the above-mentioned groove, an inverted T-shaped cast-in-place concrete rib is formed, which can greatly improve the bearing capacity of the floor.

The present invention is also characterized in that grooves are arranged around the side surface between the side surface and the bottom surface. In this way, when the formwork components are applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the grooves arranged around the sides, and the cast-in-place concrete ribs between the formwork components form inverted T-shaped ribs, which greatly improves the At the same time, the formwork components are firmly contained in the cast-in-place concrete, which greatly reduces the occurrence of cracks between the cast-in-place concrete and the prefabricated formwork components, and improves the comprehensive performance of the floor.

The present invention is also characterized in that the grooves are orthogonal to each other and form square grooves. In this way, the grooves are orthogonal to each other and are arranged in a square shape. When the formwork components are applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the square grooves, and the cast-in-place concrete ribs between the formwork components form an inverted T shape. The rib structure greatly improves the mechanical properties of the floor, so that when the floor is under load, the stress can be evenly and stably transmitted to the beam-column structure.

The present invention is also characterized in that the polyhedral solid lightweight material member is a foam plastic block, an expanded perlite block, an expanded vermiculite block, a foamed or aerated concrete block, a ceramsite concrete block, a rice straw husk cementing material block, Charcoal concrete blocks or cement-bonded foam granule blocks. In this way, the variety of materials of lightweight material components facilitates the selection of nearby materials during production, which is conducive to reducing production costs. At the same time, the formwork components will also have better sound insulation, heat insulation, and thermal insulation properties.

The present invention is also characterized in that the outer surface of the polyhedral solid lightweight material member is coated with cement slurry or cement mortar or cement fiber slurry outer film layer. In this way, after the outer surface of the polyhedral solid lightweight material component is coated with cement slurry or cement mortar or cement fiber slurry outer film layer, it can effectively prevent the light material from falling apart and segregating due to low strength. The formwork component is used in When the cast-in-place concrete floor is in place, because of the coating on the surface, it can also play a waterproof role. There will be no delamination and void phenomenon, which is conducive to improving the overall pouring quality of the floor.

The present invention is also characterized in that the polyhedral solid lightweight material component contains reinforcements, or has reinforcements exposed. The reinforcement is at least one of steel bar, steel wire, steel mesh, steel wire mesh, fiber, fiber tow, fiber grid cloth, non-woven fabric, thin metal strip, packing tape, and braided tape. In this way, the strength and rigidity of the formwork components are greatly improved, so that the formwork components are not easily damaged during stacking, transportation, installation, and construction. Even if there is a small area of damage, due to the connection of reinforcements, no repairs are required, and the Continue to put into use. If there are reinforcements on the formwork components exposed outside the formwork components, when the formwork components are applied to the cast-in-place concrete floor, the exposed reinforcements are combined with the cast-in-place concrete, which can greatly improve the strength of the cast-in-place concrete and the formwork. The grip between components optimizes the performance of the entire floor.

The present invention is also characterized in that the horizontal cross-sectional shape of the polyhedral solid lightweight material member is a rectangle, a square, a polygon, an arc polygon, a chamfer polygon, an arc, a corrugation or a circle. In this way, the diversification of the shape of the polyhedral formwork member makes the formwork member applied to the cast-in-place concrete floor, and correspondingly forms various cast-in-place concrete structures of different shapes, thus making the structure of the cast-in-place concrete floor more reasonable. , It is convenient for design and construction units to choose.

The present invention is also characterized in that the cross-sectional shape of the groove is square, rectangular, trapezoidal, U-shaped, V-shaped, stepped or semicircular. In this way, when the formwork components are applied to the cast-in-place concrete floor, after the cast-in-place concrete is poured into grooves of various shapes, a cast-in-place concrete structure with the same cross-sectional shape is formed correspondingly, which can fully meet various design needs. And application needs, greatly expanding the application range of formwork components, easy to popularize and apply in various occasions.

The present invention is also characterized in that one end of the groove is on the bottom surface, and the other end gradually rises upward or the width of the groove increases. In this way, when the formwork components are applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the groove, and a cast-in-place concrete structure that gradually rises and increases or gradually widens is formed correspondingly, which can meet the needs of different stress-bearing parts in the floor. It is especially suitable for strengthening the vicinity of hidden beams or exposed beams or structural columns, making the floor structure more perfect and reasonable. At the same time, it is also suitable for use as an end formwork member when prestressed tendons are set in cast-in-place concrete ribs.

The present invention is also characterized in that the grooves are variable width grooves or variable depth grooves. In this way, when the formwork components are applied to the cast-in-place concrete floor, after the cast-in-place concrete is poured into the groove with variable width or depth, a cast-in-place concrete reinforcement with a gradually changing width or height consistent with the shape of the groove is formed. Ribs can meet the requirements of structural conversion and force transmission of various stress-bearing parts in the floor very conveniently and concisely.

The present invention is also characterized in that other parts of the polyhedral solid lightweight material member are provided with at least one of grooves, inner corners, chamfers, pits, holes, boss modules, convex lines, and outer corners. In this way, when the formwork components are applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the grooves, inner corners, chamfers, pits, and holes, and a local cast-in-place concrete reinforcement structure can be formed accordingly; the polyhedron solid light weight The boss modules, protruding lines, and external angles provided on the high-quality material components can evacuate the unstressed concrete in the floor, further reduce the weight of the floor itself, save the amount of concrete, and reduce the cost of the floor.

The present invention is also characterized in that the grooves, internal corners, chamfers, and convex lines are arranged parallel, orthogonal, oblique or vertical to each other. In this way, when the formwork components are applied to the cast-in-place concrete floor, the grooves, internal corners, chamfers, and convex lines on the polyhedral solid lightweight material components themselves or are arranged in parallel, orthogonal, oblique or vertical intersections, After the concrete is poured, a parallel, orthogonal, oblique or overpass cast-in-place concrete reinforced structure is correspondingly formed, which greatly improves the mechanical properties of the cast-in-place concrete floor.

The present invention is also characterized in that at least one of stiffeners, stiffeners, and stiffeners is provided in the polyhedral solid lightweight material member, or at least one of stiffeners and stiffeners is exposed, or the stiffeners, stiffeners There are reinforcements exposed. In this way, when the formwork components are applied to the cast-in-place concrete floor, the stiffeners, stiffeners, stiffeners or exposed stiffeners and stiffeners set in the formwork components can form a cast-in-place and prefabricated phase with the cast-in-place concrete. The combined composite structure optimizes the internal stress system of the cast-in-place concrete floor. If there are reinforcements exposed thereon, the formwork member and the cast-in-place concrete will be bonded more firmly, and the integrity of the floor will be better.

The present invention is also characterized in that the polyhedral solid lightweight material member is provided with a positioning member. The positioning member can be a pull ring, a pull hook, an iron wire, a supporting foot or other devices. In this way, when the formwork components are applied to the cast-in-place concrete floor, the polyhedron solid lightweight material components can be accurately positioned to prevent the formwork components from floating and shifting during pouring of concrete, which can effectively ensure the stability of the floor. Pour quality.

The present invention is also characterized in that the polyhedral solid lightweight material components are provided with connecting pieces that are connected and positioned between the polyhedral solid lightweight material components. Connectors can be steel bar, steel mesh, steel wire, steel wire mesh, angle steel, channel steel, L-shaped steel, T-shaped steel, ferrule, bolt, male and female groove, socket piece, sawtooth piece, convex groove, groove, bayonet, card Covers, holes, embedded iron parts, etc. In this way, when the formwork components are applied to the cast-in-place concrete floor, the connectors provided on the polyhedral solid lightweight material components can effectively and reliably control the distance between the formwork components and the width and height of the cast-in-place concrete ribs , to ensure the pouring quality of the internal structure of the floor; at the same time, it is also conducive to the connection and positioning of the polyhedral solid lightweight material components to speed up the construction speed.

The present invention is also characterized in that the plurality of polyhedral solid lightweight material components are connected by connectors to form a group assembly. In this way, spacer braces are arranged in the mold cavity of the inner rib, and the spacer braces play a role of reinforcement. During the process of handling, stacking, transportation, installation and construction, the formwork components are not easy to crack, break or damage; at the same time, the polyhedron The solid lightweight material components are grouped components, which facilitates the construction of the floor, is conducive to accelerating the construction speed of the floor, and improves the construction efficiency.

The present invention is also characterized in that the two or more polyhedral solid lightweight material components are connected by a bottom plate to form a group assembly with an inner rib cavity, or there are fixed or movable braces in the inner rib cavity. In this way, because the braces are installed in the mold cavity of the inner rib, the integrity of the grouped components is greatly improved, so that the components are not easy to break and crack during stacking, transportation, installation, and construction, and the damage rate of the components is reduced. production cost of components.

(4) Description of drawings

Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention. In the accompanying drawings, 1 is a polyhedral solid lightweight material member, 2 is the surrounding side, 3 is the bottom surface, and 4 is a groove. In the following drawings, those with the same number have the same description. As shown in FIG. 1 , a groove 4 is provided between the two peripheral sides 2 and the bottom surface 3 of a polyhedral solid lightweight material member 1 , and the polyhedral solid lightweight material member 1 is an expanded perlite member.

Fig. 2 is the structural representation of embodiment 2 of the present invention, is provided with groove 4 between side 2 and bottom 3 around side 2 and bottom 3 of polyhedron solid lightweight material member 1, is all set along the periphery of side 2 between its side 2 and bottom 3 Groove 4.

Fig. 3 is a schematic structural view of Embodiment 3 of the present invention. A groove 4 is arranged between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the grooves 4 are orthogonal to each other to form a square groove.

Fig. 4 is a schematic structural view of Embodiment 4 of the present invention. An annular groove 4 is arranged between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material component 1, and the polyhedral solid lightweight material component 1 is a ceramsite concrete block.

Fig. 5 is a structural schematic diagram of Embodiment 5 of the present invention, a groove 4 is arranged between the side surface 2 and the bottom surface 3 around the polyhedral solid lightweight material member 1, and the outer surface of the polyhedral solid lightweight material member 1 is coated with cement slurry Adventitia 5.

Fig. 6 is a schematic structural view of Embodiment 6 of the present invention, a groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a reinforcement 6 is arranged in the polyhedral solid lightweight material member 1, and at the same time The above-mentioned reinforcement 6 is exposed, and the reinforcement 6 shown in the figure is a thin metal strip.

Fig. 7 is a schematic structural view of Embodiment 7 of the present invention. A groove 4 is arranged between the side surface 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the horizontal cross-sectional shape of the polyhedral solid lightweight material member 1 is an arc-cornered quadrilateral. .

Fig. 8 is a schematic structural view of Embodiment 8 of the present invention. A groove 4 is provided between the peripheral side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the cross-sectional shape of the groove 4 is V-shaped.

9 is a schematic structural view of Embodiment 9 of the present invention. A groove 4 is provided between the surrounding side 2 and the bottom 3 of the polyhedral solid lightweight material member 1. One end of the groove 4 is on the bottom 3, and the other end gradually rises upward.

Fig. 10 is a schematic structural view of Embodiment 10 of the present invention. A groove 4 is provided between the side surface 2 and the bottom surface 3 of the polyhedron solid lightweight material member 1, and the groove 4 is a variable-depth groove.

Fig. 11 is a schematic structural view of Embodiment 11 of the present invention, a groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the polyhedral solid lightweight material member 1 is also provided with a groove 4 at the same time , chamfer 8, pit 9, hole 10, boss module 11 and male corner 13.

Fig. 12 is a schematic structural view of Embodiment 12 of the present invention, a groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the polyhedral solid lightweight material member 1 is also provided with a groove 4 at the same time , Internal corner 7, chamfer 8 and convex strip 12.

Fig. 13 is a schematic structural view of Embodiment 13 of the present invention. A groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a stiffener 14 is also provided in the polyhedral solid lightweight material member 1. , Stiffeners 15 and ribs 16. At the same time, some of the stiffeners 14 and 15 are exposed outside the polyhedral solid lightweight material member 1, and the exposed stiffeners 14 also protrude outwards with reinforcements 6.

Fig. 14 is a schematic structural view of Embodiment 14 of the present invention. A groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a plurality of positioning members 17 are arranged on the polyhedral solid lightweight material member 1. , the illustrated positioning member 17 is a supporting positioning foot.

Fig. 15 is a schematic structural view of Embodiment 15 of the present invention. A groove 4 is provided between the side surfaces 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a plurality of polyhedral solid lightweight material members 1 are provided with a plurality of polyhedral solid lightweight material members. The solid lightweight material components 1 are connected to each other and positioned connecting pieces 18 , the connecting pieces 18 shown in the figure are rods and recesses.

Fig. 16 is a schematic structural view of Embodiment 16 of the present invention, a groove 4 is arranged between the side surfaces 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a plurality of polyhedral solid lightweight material members 1 are connected by a plurality of connectors 18 Connections form grouped components.

Fig. 17 is a schematic structural view of Embodiment 17 of the present invention, a groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a plurality of polyhedral solid lightweight material members 1 are arranged on the bottom plate 19, A group assembly with an inner rib cavity 20 is formed. At the same time, a plurality of mortar block support members 21 are also arranged in the inner rib cavity 20. In addition, steel wire reinforcements 6 are exposed on the bottom plate 19, which can be used as a support during transportation. For handle.

Fig. 18 is a schematic structural view of Embodiment 18 of the present invention, a groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a plurality of polyhedral solid lightweight material members 1 are arranged on the bottom plate 19, A group assembly is formed with an inner rib mold cavity 20 , and at the same time, a plurality of fixed braces 21 are also arranged in the inner rib mold cavity 20 .

(5) Specific implementation methods

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in the accompanying drawings, the present invention includes a polyhedral solid lightweight material component 1, which is characterized in that a groove 4 is provided between at least one peripheral side 2 and the bottom surface 3 of the polyhedral solid lightweight material component 1 . Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention. In the accompanying drawings, 1 is a polyhedral solid lightweight material member, 2 is the surrounding side, 3 is the bottom surface, and 4 is a groove. In the following drawings, the numbers are the same. The description is the same, as shown in Figure 1, a groove 4 is provided between the two peripheral sides 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the polyhedral solid lightweight material member 1 is an expanded perlite member.

The invention is also characterized in that a groove 4 is provided between at least two opposing peripheral sides 2 and the bottom 3 . As shown in FIG. 1 , a groove 4 is provided between the two opposite peripheral sides 2 and the bottom surface 3 of the polyhedral solid lightweight material component 1 .

The present invention is also characterized in that grooves 4 are arranged around the side 2 between the side 2 and the bottom 3 . Fig. 2 is the structural representation of embodiment 2 of the present invention, is provided with groove 4 between side 2 and bottom 3 around side 2 and bottom 3 of polyhedron solid lightweight material member 1, is all set along the periphery of side 2 between its side 2 and bottom 3 Groove 4.

The present invention is also characterized in that the grooves 4 are orthogonal to each other and form square grooves. Fig. 3 is a schematic structural view of Embodiment 3 of the present invention. A groove 4 is arranged between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the grooves 4 are orthogonal to each other to form a square groove.

The present invention is also characterized in that said polyhedral solid lightweight material member 1 is foamed plastic block, expanded perlite block, expanded vermiculite block, foamed or aerated concrete block, ceramsite concrete block, rice straw chaff cementing material block , Charcoal concrete blocks or cement-bonded foam granules. Fig. 4 is a schematic structural view of Embodiment 4 of the present invention. An annular groove 4 is arranged between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material component 1, and the polyhedral solid lightweight material component 1 is a ceramsite concrete block.

The present invention is also characterized in that the outer surface of the polyhedral solid lightweight material component 1 is coated with cement slurry or cement mortar or cement fiber slurry outer film layer 5 . Fig. 5 is a structural schematic diagram of Embodiment 5 of the present invention, a groove 4 is arranged between the side surface 2 and the bottom surface 3 around the polyhedral solid lightweight material member 1, and the outer surface of the polyhedral solid lightweight material member 1 is coated with cement slurry Adventitia 5.

The present invention is also characterized in that the polyhedral solid lightweight material member 1 contains reinforcements 6 or has reinforcements 6 exposed. The reinforcement 6 is at least one of steel bar, steel wire, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, non-woven fabric, thin metal strip, packing tape, and braided tape. Fig. 6 is a schematic structural view of Embodiment 6 of the present invention, a groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a reinforcement 6 is arranged in the polyhedral solid lightweight material member 1, and at the same time The above-mentioned reinforcement 6 is exposed, and the reinforcement 6 shown in the figure is a thin metal strip.

The present invention is also characterized in that the horizontal cross-sectional shape of the polyhedral solid lightweight material member 1 is a rectangle, a square, a polygon, an arc polygon, a chamfer polygon, an arc, a corrugation or a circle. Fig. 7 is a schematic structural view of Embodiment 7 of the present invention. A groove 4 is arranged between the side surface 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the horizontal cross-sectional shape of the polyhedral solid lightweight material member 1 is an arc-cornered quadrilateral. .

The present invention is also characterized in that the cross-sectional shape of the groove 4 is square, rectangular, trapezoidal, U-shaped, V-shaped, stepped or semicircular. Fig. 8 is a schematic structural view of Embodiment 8 of the present invention. A groove 4 is provided between the peripheral side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the cross-sectional shape of the groove 4 is V-shaped.

The present invention is also characterized in that one end of the groove 4 is on the bottom surface 3, and the other end gradually rises upward or the width of the groove 4 increases. 9 is a schematic structural view of Embodiment 9 of the present invention. A groove 4 is provided between the surrounding side 2 and the bottom 3 of the polyhedral solid lightweight material member 1. One end of the groove 4 is on the bottom 3, and the other end gradually rises upward.

The present invention is also characterized in that the groove 4 is a variable width groove or a variable depth groove. Fig. 10 is a schematic structural view of Embodiment 10 of the present invention. A groove 4 is provided between the side surface 2 and the bottom surface 3 of the polyhedron solid lightweight material member 1, and the groove 4 is a variable-depth groove.

The present invention is also characterized in that other parts of the polyhedral solid lightweight material member 1 are provided with grooves 4, internal corners 7, chamfers 8, pits 9, holes 10, boss modules 11, raised bars 12, At least one of the external angles 13. Fig. 11 is a schematic structural view of Embodiment 11 of the present invention, a groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the polyhedral solid lightweight material member 1 is also provided with a groove 4 at the same time , chamfer 8, pit 9, hole 10, boss module 11 and male corner 13. Fig. 12 is a schematic structural view of Embodiment 12 of the present invention, a groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the polyhedral solid lightweight material member 1 is also provided with a groove 4 at the same time , Internal corner 7, chamfer 8 and convex strip 12.

The present invention is also characterized in that the grooves 4 , internal corners 7 , chamfers 8 , and convex strips 12 are arranged in parallel, orthogonal, oblique or vertical intersections. As shown in Figure 12, a groove 4 is provided between the side surface 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and the polyhedral solid lightweight material member 1 is also provided with grooves 4, inner corners 7, and chamfers at the same time. 8 and convex strip 12, and the groove 4, internal corner 7, chamfer 8, and convex strip 12 are arranged in parallel, orthogonal, oblique or vertical intersection by themselves or each other.

The present invention is also characterized in that at least one of the stiffening rib 14, the stiffening rod 15, and the reinforcing rib 16 is arranged in the polyhedral solid lightweight material member 1, or at least one of the stiffening rib 14 and the stiffening rod 15 is exposed, Or the stiffeners 6 are exposed on the stiffeners 14 and the stiffeners 15 . Fig. 13 is a schematic structural view of Embodiment 13 of the present invention. A groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a stiffener 14 is also provided in the polyhedral solid lightweight material member 1. , Stiffeners 15 and ribs 16. At the same time, some of the stiffeners 14 and 15 are exposed outside the polyhedral solid lightweight material member 1, and the exposed stiffeners 14 also protrude outwards with reinforcements 6.

The present invention is also characterized in that the polyhedral solid lightweight material member 1 is provided with a positioning member 17 . Fig. 14 is a schematic structural view of Embodiment 14 of the present invention. A groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a plurality of positioning members 17 are arranged on the polyhedral solid lightweight material member 1. , the illustrated positioning member 17 is a supporting positioning foot.

The present invention is also characterized in that the polyhedral solid lightweight material components 1 are provided with connecting pieces 18 that are connected and positioned between the polyhedral solid lightweight material components 1 . Fig. 15 is a schematic structural view of Embodiment 15 of the present invention. A groove 4 is provided between the side surfaces 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a plurality of polyhedral solid lightweight material members 1 are provided with a plurality of polyhedral solid lightweight material members. The solid lightweight material components 1 are connected to each other and positioned connecting pieces 18 , the connecting pieces 18 shown in the figure are rods and recesses.

The present invention is also characterized in that the plurality of polyhedral solid lightweight material components 1 are connected by connectors 18 to form a group assembly. Fig. 16 is a schematic structural view of Embodiment 16 of the present invention, a groove 4 is arranged between the side surfaces 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a plurality of polyhedral solid lightweight material members 1 are connected by a plurality of connectors 18 Connections form grouped components.

The present invention is also characterized in that the two or more polyhedral solid lightweight material components 1 are connected by a bottom plate 19 to form a group assembly with an inner rib cavity 20, or there are fixed or movable braces in the inner rib cavity 20. piece 21. Fig. 17 is a schematic structural view of Embodiment 17 of the present invention, a groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a plurality of polyhedral solid lightweight material members 1 are arranged on the bottom plate 19, A group assembly with an inner rib cavity 20 is formed. At the same time, a plurality of mortar block support members 21 are also arranged in the inner rib cavity 20. In addition, steel wire reinforcements 6 are exposed on the bottom plate 19, which can be used as a support during transportation. For handle. Fig. 18 is a schematic structural view of Embodiment 18 of the present invention, a groove 4 is provided between the surrounding side 2 and the bottom surface 3 of the polyhedral solid lightweight material member 1, and a plurality of polyhedral solid lightweight material members 1 are arranged on the bottom plate 19, A group assembly is formed with an inner rib mold cavity 20 , and at the same time, a plurality of fixed braces 21 are also arranged in the inner rib mold cavity 20 .

When the present invention is implemented, it can be molded with aerated concrete or ceramsite concrete in the mould, and after solidification and hardening, the mold can be removed to obtain a formwork member for cast-in-place concrete; it can also be cut out by foam plastic or expanded perlite blocks. The groove 4 is to obtain the formwork member for cast-in-place concrete.

Claims (18)

1. A formwork component for cast-in-place concrete, comprising a polyhedral solid lightweight material component (1), characterized in that between at least one surrounding side (2) and the bottom surface (3) of the polyhedral solid lightweight material component (1) The intervals are set as grooves (4). 2. A formwork member for cast-in-place concrete according to claim 1, characterized in that at least two opposite surrounding sides (2) and bottom (3) are provided with grooves (4). 3. A formwork member for cast-in-place concrete according to claim 1, characterized in that grooves (4 ). 4. A formwork member for cast-in-place concrete according to claim 3, characterized in that the grooves (4) are orthogonal to each other and form square grooves. 5. A formwork member for cast-in-place concrete according to claim 1, characterized in that said polyhedral solid lightweight material member (1) is a foamed plastic block, an expanded perlite block, an expanded vermiculite block, a foamed plastic block, Foam or aerated concrete blocks, ceramsite concrete blocks, straw chaff cement blocks, charcoal concrete blocks or cement-bonded foam particle blocks. 6. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that the outer surface of the polyhedral solid lightweight material member (1) is coated with cement slurry or Cement mortar or cement fiber slurry outer film layer (5). 7. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that said polyhedral solid lightweight material member (1) contains reinforcements (6), or A reinforcement (6) is exposed. The reinforcement (6) is at least one of steel bar, steel wire, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, non-woven fabric, thin metal strip, packing tape, and braided tape. 8. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that the horizontal cross-sectional shape of the polyhedral solid lightweight material member (1) is a rectangle, a square, Polygon, curved polygon, beveled polygon, polyarc, corrugated, or circular. 9. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that the cross-sectional shape of the groove (4) is a square opening, a rectangle opening, a trapezoid opening, U-shaped, V-shaped, stepped or semicircular. 10. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that one end of the groove (4) is on the bottom surface (3), and the other end gradually rises upwards Or groove (4) width increases. 11. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that the groove (4) is a variable width groove or a variable depth groove. 12. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that grooves ( 4), at least one of a female corner (7), a chamfer (8), a pit (9), a hole (10), a boss module (11), a convex line (12), and a male corner (13). 13. A formwork member for cast-in-place concrete according to claim 12, characterized in that the groove (4), inner corner (7), chamfer (8), convex strip (12) itself or They are parallel, orthogonal, oblique or interchanged. 14. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that said polyhedral solid lightweight material member (1) is provided with stiffeners (14), At least one of the stiffener (15), the stiffener (16), or at least one of the stiffener (14), the stiffener (15) is exposed, or the stiffener (14), the stiffener (15) also has The reinforcement (6) is exposed. 15. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that said polyhedral solid lightweight material member (1) is provided with a positioning member (17). 16. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that the polyhedral solid lightweight material member (1) is provided with a polyhedral solid lightweight material member (1) Connectors (18) positioned to connect with each other. 17. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that the plurality of polyhedral solid lightweight material members (1) are connected by connectors (18 ) are connected to form a group of components. 18. A formwork member for cast-in-place concrete according to any one of claims 1 to 5, characterized in that the two or more polyhedral solid lightweight material members (1) are connected by a bottom plate (19) , forming a group assembly with an inner rib cavity (20), or a fixed or movable brace (21) in the inner rib cavity (20).

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