TWI790174B - All-steel buckling-beam bracing structure and its construction method - Google Patents

Abstract

An all-steel buckling support structure and its construction method, which includes: a core column, a modular iron sheet, an enclosure tube and a fixed shaft, the two ends of the core column are conversion sections, and the enclosure tube passes through The bottom plate and side plate are welded and then joined to the core column to form a mouth-shaped member without filling any concrete or non-shrinkage cement material; thus, the present invention achieves a firm core column and a simple construction method through a simple structure and simple construction method. It can move smoothly when subjected to earthquake force. Because the three processes of single material core column, surrounding tube, and modular iron sheet can be processed at the same time without waiting, and can be assembled quickly, it greatly saves time in the manufacturing period.

Description

All-steel buckling-beam bracing structure and its construction method

The present invention relates to a buckling beam support structure and its construction method, in particular to an all-steel buckling beam support structure and its construction method which are simple and quick to assemble and save costs.

According to the known technology, buckling restrained braces (Buckling Restrained Braces, BRB) are the main components used to install on the beam-column structure of the building. When external vibrations (such as earthquakes) occur, the buckling restrained braces The support device can bear the shear force of the floor first, instead of the floor structure, it will generate dynamic energy dissipation first, avoid damage to the beam-column structure of the floor, and avoid the collapse of the house. The anti-shock and anti-shock effect of pouring.

The known buckling support device includes an axial force member, a buckling resistance unit and mortar, and the buckling resistance unit includes a hollow tubular support sleeve that is sleeved outside the axial force member and filled in the support sleeve. And cover the concrete or mortar layer of the axial force member, and the two ends of the axial force member respectively protrude from the buckling resistance unit, which is used to connect to the preset joint plate (Gusset Plate) on the beam-column structure, so as to absorb the beam-column The vibration force of the structure, and the function of the buckle resistance unit is that the buckle resistance of the axial force member is weaker than that of the tensile force, so the buckle resistance unit, concrete and mortar provide the axial The radial binding force of the force member increases the resistance of the axial force member to stabilize the system and prevent buckling when the member is in a tension-compression state when an earthquake strikes.

However, according to the manufacturing method of the above-mentioned buckling beam support device, the peripheral wall of the axial force member is first adhered or coated with a delamination material, and the delamination material is a high-density foam board, rubber, rubber board, silicon rubber board, hair One of the foam resin and Styrofoam modular iron parts, and then the axial force member is sleeved in the support sleeve, and then the concrete is poured into the support sleeve to form.

However, the limitation of the known buckling support device is that the peripheral wall of the axial force member is adhered or coated with a delamination material, which requires waiting for the delamination material to dry before the axial force member can be sleeved in the support sleeve. It is not suitable to relocate when cutting, sticking or coating drying, or embedding module iron sheets, or when grouting and filling concrete or non-shrinkage cement. Wait for the initial concrete strength for at least 14 days, and the best time is 28 days. Better, apart from steel, concrete or non-shrinkage cement, delamination material Styrofoam and other adhesive composite materials, there are at least 4 types of steel, and the quality of the application process in each process will affect the buckling system. The quality requirements of the support lead to the excessive tension and compression ratio of the original components, and the quality of each support cannot be effectively controlled, and the time period is much longer than the implementation method of the present invention.

Therefore, after observing the above-mentioned deficiency, the inventor of the present case thinks that there is still a need for further improvement of the buckling restraint support device, and thus the present invention is produced.

The main purpose of the present invention is to provide an all-steel buckling support structure, which is through the setting of modular iron sheets and surrounding pipes and stoppers to form the core column, and by controlling the upper and lower auxiliary shafts of the core column material, and then control the movement of the main shaft material, the auxiliary shaft material and the surrounding tube are covered so that the excessive movement of the bundled auxiliary shaft material is caused when the actuation is performed, and then the main shaft material is controlled so that the core column slides smoothly without causing friction so that the core column moves smoothly and smooth pulling and pressing action or rusting. In addition, the present invention welds bumps on the upper and lower edges of the confining tube to prevent the binding effect of the auxiliary shaft material when it is in motion, and the center of the main shaft material A fixed shaft is provided to fix the core column so that it cannot slip out of the confinement tube.

In order to achieve the above-mentioned purpose, the present invention provides an all-steel buckling beam support structure, which includes: a core column, which is welded by a main shaft material and two auxiliary shaft materials, and each auxiliary shaft The two ends of the material are respectively a conversion section, and the center of the main material is provided with a round hole; at least four modular iron sheets are respectively embedded and fixed on the two ends of the core column , the modularized iron sheets are embedded and fixed in the conversion sections; a surrounding pipe is welded through at least two bottom plates and at least four side plates, the surrounding pipe is in the shape of a hollow tube, and each of the bottom plates is provided with at least Six protrusions, the protrusions are left-right symmetrical, the surrounding pipe is equipped with the core column and the outer layer of the modularized iron sheets, the protrusions are respectively in contact with the auxiliary shaft material, and the surrounding The pipe system covers the core column and the modularized iron sheets; and a fixed shaft is arranged in the central hole of the main shaft material of the core column, and the two ends of the fixed shaft are welded to the surrounding pipe.

Preferably, the bottom plates include a first bottom plate and a second bottom plate, and the side plates include a first side plate, a second side plate, a third side plate and a fourth side plate, each of which has a first end with a second end.

Preferably, the first bottom plate is welded to the outside of the first end of the first side plate by penetration welding, the first bottom plate is welded to the outside of the first end of the second side plate by penetration welding, and the second bottom plate The outer side of the first end of the third side plate is welded by penetration welding, the second bottom plate is connected to the outer side of the fourth side plate The outer side of the first end is welded by penetration welding.

Preferably, the first bottom plate is welded to the inner side of the first end of the first side plate by fillet welding, the first bottom plate is welded to the inner side of the first end of the second side plate by fillet welding, and the first bottom plate is welded to the inner side of the first end of the second side plate by fillet welding. The second bottom plate is welded to the inner side of the first end of the third side plate by fillet welding, and the second bottom plate is welded to the inner side of the first end of the fourth side plate by fillet welding.

Preferably, the second end of the first side plate is welded to the second end of the third side plate by penetration welding, and the second end of the second side plate is welded to the second end of the fourth side plate by penetration welding. welding.

Preferably, the widths of the side panels are the same or different.

Preferably, the fixed shaft passes through the central circular hole of the main shaft material of the core column and is welded with the surrounding tube by penetration welding.

Preferably, the conversion section has at least four cutting surfaces, and the modular iron sheet covers the cutting surfaces and contacts the fillet weld between the bottom plate and the side plate.

Also, in order to achieve the above-mentioned purpose, the present invention further provides a construction method for an all-steel buckling beam supporting structure according to the above-mentioned all-steel buckling beam supporting structure, which comprises the following steps: The auxiliary shaft material is welded to form a core column; the two ends of the core column auxiliary shaft material are respectively a transition section, and the center of the main shaft material of the core column is provided with a round hole; at least four modular iron sheets are respectively embedded It is fixed at both ends of the core column, and the modular iron sheets are embedded and fixed in the transition sections; at least two bottom plates and at least four side plates are welded into a surrounding tube, and the surrounding tube is in the shape of a hollow tube, Each of the bottom plates is provided with at least six protrusions, and the protrusions are left-right symmetrical; the surrounding pipe system is installed on the core column and the outer layer of the modularized iron sheets, and the protrusions are respectively in contact with the auxiliary Shaft material: the fixed shaft is arranged in the circular hole, and the two ends of the fixed shaft are welded to the surrounding tube.

The present invention provides an all-steel buckling support structure and its construction method. Through the installation of the modularized iron sheets and the surrounding pipes, the modularized iron sheets tightly cover the The conversion section, and the surrounding tube cover the core column and the modularized iron sheets, so that when the friction force is increased to make the core column slide smoothly, the present invention passes through the surrounding tubes At least six protrusions are arranged between the bottom plates, and these protrusions are respectively in contact with the auxiliary shaft material, so that when the core column is pulled and pressed smoothly, the deformation of the auxiliary shaft material is restrained, that is, the movement of the main shaft material is relatively stable, so that the beam control is improved. The effect and the tension-compression ratio can be controlled.

In order to enable those skilled in the art to understand the purpose, features and effects of the present invention, the present invention will be described in detail below by means of the following specific embodiments and accompanying drawings.

100: All-steel buckling support structure

10: core column

11: Auxiliary shaft material

111: Conversion section

12: Main shaft material

13: fixed axis

14: round hole

20: Modular iron sheet

21: cutting surface

30: Bound tube

31: The first bottom plate

32: Second bottom plate

33: First side panel

34: Second side panel

35: The third side panel

36: Fourth side panel

37: The first end of the side plate

38: The second end of the side plate

39: Bump

40: cover plate

50: Semi-penetration welding

60: full penetration welding

70: fillet welding

S01: Steps

S02: Steps

S03: Steps

S04: Steps

S05: Steps

S06: Steps

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is an exploded view of an embodiment of the present invention.

Fig. 3 is a schematic diagram of the welding of the bottom plate and the side plate of the embodiment of the present invention.

Fig. 4 is a schematic diagram of the welding of the fixed shaft and the surrounding tube according to the embodiment of the present invention.

Fig. 5 is a cross-sectional view of the core column of the embodiment of the present invention.

Fig. 6 is a schematic diagram of the central circular hole of the main shaft material according to the embodiment of the present invention.

Fig. 7 is a step diagram of an embodiment of the present invention.

The accompanying drawings of exemplary embodiments of the inventive concept illustrate the inventive concept more fully hereinafter. Advantages and features of the inventive concept and methods for achieving it will be apparent below by referring to the exemplary embodiments described in more detail with reference to the accompanying drawings. It should be noted, however, that the inventive concept is not limited to the following exemplary embodiments, but can be implemented in various forms. Therefore, the exemplary embodiments are provided only to disclose the inventive concept and to make one skilled in the art understand the category of the inventive concept. In the drawings, the exemplary embodiments of the inventive concepts are not limited to the specific examples provided herein and are exaggerated for clarity.

The terminology used herein is for describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the terms "a", "an" and "the" in the singular are intended to include the plural forms as well, unless the context clearly dictates otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present.

Similarly, it will be understood that when an element such as a layer, region or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may be present. In contrast, the term "directly" means that there are no intervening elements. It should be further understood that when the words "comprising" and "comprising" are used herein, it indicates the existence of stated features, integers, steps, operations, elements, and/or components, but does not exclude one or more other features. , integers, steps, operations, elements, components, and/or the presence or addition of groups thereof.

Furthermore, it will be illustrated by means of cross-sectional views which are idealized exemplary diagrams of the concept of the present invention. Exemplary embodiments described in the detailed description. Accordingly, the shapes of the exemplary figures may be modified according to manufacturing techniques and/or allowable errors. Accordingly, exemplary embodiments of the inventive concepts are not limited to the specific shapes shown in the exemplary figures, but may include other shapes that may be produced according to manufacturing processes. Regions illustrated in the drawings have general characteristics and are used to illustrate specific shapes of elements. Accordingly, this should not be seen as limiting the scope of the inventive concept.

It should also be understood that although the terms “first”, “second”, “third” etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish various elements. Thus, a first element in some embodiments could be termed a second element in other embodiments without departing from the teachings of the present invention. Exemplary embodiments of aspects of the inventive concept illustrated and illustrated herein include their complementary counterparts. Throughout this specification, the same reference number or the same designator designates the same element.

Additionally, exemplary embodiments are described herein with reference to cross-sectional and/or plan views, which are idealized exemplary illustrations. Accordingly, deviations from the illustrated shapes as a result, for example, of manufacturing techniques and/or tolerances are to be expected. Thus, example embodiments should not be construed as limited to the shapes of regions illustrated herein but are to include deviations in shapes that result, for example, from manufacturing. Thus, the regions shown in the figures are schematic and their shapes are not intended to illustrate the actual shape of a region of a device and are not intended to limit the scope of example embodiments.

Hereinafter, embodiments of the all-steel buckling support structure of the present invention will be described with reference to the drawings.

The present invention discloses an all-steel buckled beam support structure 100, which includes: please refer to FIG. 1 and FIG. 2, FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is an exploded view of an embodiment of the present invention , a core column 10, the two ends of the core column 10 are respectively a conversion section 111, the shape of the core column of the known buckling bundle support device is different, the present invention adopts the I-shaped core column as the best In an embodiment, the present invention is not limited by the shape of the core column. A round hole 14 and a plurality of cover plates 40 are provided in the center of the main shaft material 12, and each cover plate 40 is welded to both ends of the core column, and each The cover plate 40 is respectively fixed in the space formed by the surrounding tube 30 and the main shaft material 12 and the auxiliary shaft material 11 of the core column 10. The present invention does not depend on how the cover plate 40 is fixed to the surrounding tube 30 ends.

At least four modularized iron sheets, the modularized iron sheets 20 are respectively embedded and fixed on the two ends of the core column 10, and the modularized iron sheets 20 are embedded and fixed in the conversion sections 111 .

A confinement tube 30 is welded through at least two bottom plates and at least four side plates. The confinement tube 30 is in the shape of a hollow tube, and each of the base plates is provided with at least six protrusions. The bundle tube 30 is equipped with the core column 10 and the outer layers of the modularized iron sheets 20, the bumps 39 contact the auxiliary shafts 11 respectively, and the bundle tube 30 covers the core column 10 And these modularized iron sheets 20, in this embodiment, these bottom plates include a first bottom plate 31 and a second bottom plate 32, and these side plates include a first side plate 33, a second side plate 34, a first Three side panels 35 and a fourth side panel 36 each have a first end 37 and a second end 38 , and in this embodiment, the lengths of the side panels are the same or different.

Please refer to FIG. 3. FIG. 3 is a schematic diagram of the welding of the bottom plate and the side plate according to the embodiment of the present invention. .

Please refer to Fig. 4. Fig. 4 is a schematic diagram of the welding of the fixed shaft and the surrounding tube in the embodiment of the present invention. The penetration welding includes full penetration welding 60 and semi-penetration welding 50. In this embodiment, the first bottom plate 31 and the first The outside of the first end 37 of the side plate 33 is welded by penetration welding, the first bottom plate 31 and the outside of the first end 37 of the second side plate 34 are welded by penetration welding, the second bottom plate 32 and the third side plate 35 The outer side of the first end 37 of the second bottom plate 32 is welded with the outer side of the first end 37 of the fourth side plate 36 by penetration welding, and the penetration welding method here is semi-penetration welding 50. In this paper In the embodiment, the first bottom plate 31 is welded to the inner side of the first end 37 of the first side plate 33 by fillet welding 70 , and the first bottom plate 31 is welded to the inner side of the first end 37 of the second side plate 34 by Fillet welding 70 welding, the second bottom plate 32 and the inner side of the first end 37 of the third side plate 35 are welded with fillet welding 70, the second bottom plate 32 and the first end 37 of the fourth side plate 36 The inner side is welded by fillet welding 70. In this embodiment, the second end 38 of the first side plate 33 and the second end 38 of the third side plate 35 are welded by penetration welding, and the second end 38 of the second side plate 34 is welded. The second end 38 and the second end 38 of the fourth side plate 36 are welded by penetration welding, where the penetration welding method is full penetration welding 60 .

Please refer to Fig. 2, Fig. 4, Fig. 5 and Fig. 6, Fig. 5 is a cross-sectional view of the core column of the embodiment of the present invention, Fig. 6 is a schematic diagram of the center hole of the main shaft material of the embodiment of the present invention, a fixed shaft 13, the fixed The shaft 13 is set in the central hole 14 of the core column 10, and the two ends of the fixed shaft 13 are welded to the surrounding tube 30 to fix the core column 10 so as not to slip out of the surrounding tube 30. In this embodiment, The fixed shaft 13 passes through the center of the main shaft material 12 and is welded with the surrounding pipe 30 by penetration welding, where the penetration welding method is full penetration welding 60 .

In order to further understand the structural features of the present invention, the use of technical means and the effect expected to be achieved, the use of the present invention will be described hereby. It is believed that the present invention can be understood more deeply and specifically, as follows: please continue to refer to the figure 1 to FIG. 4, a core column 10 will be formed by welding a main shaft material 12 and two auxiliary shaft materials 11. The two ends of each auxiliary shaft material 11 are respectively a conversion section 111, and the center of the main shaft material 12 is set A circular hole 14 is arranged.

Specifically, the modularized iron sheets 20 are coated with an adhesive and fixedly attached to the conversion sections 111, but the present invention does not refer to the way in which the modularized iron sheets 20 are fixed on The transition sections 111 are constraints.

Each of the base plates and each of the side plates are welded into the surrounding tube 30, the surrounding tube 30 is a hollow tube, and each of the bottom plates is provided with at least six protrusions 39, and the protrusions 39 are left-right symmetrical. 39 are in contact with the auxiliary shaft material 11 respectively, and the confining tube 30 is covering the core column 10 and the modularized iron sheets 20 .

, the base plates and the side plates are connected by full penetration welding 60 to form the confinement tube 30, and there is a triangular-shaped welding spot between the first ends 37 of each of the base plates and each of the side plates, and construction personnel are carrying out During welding, the flux penetrates into the interior slightly through these triangular solder joints, and the interior is welded with fillet 70 to prevent the flux from penetrating.

The bottom plates 31 are provided with at least six protrusions 39, and the protrusions 39 are respectively in contact with the auxiliary shaft material 11, so that the core column 10 is smooth when the all-steel buckling support structure 100 encounters an earthquake. The tension and compression action can be performed smoothly and without rust, so as to improve the binding effect and the tension-compression ratio, and reduce the deformation of the all-steel buckling support structure 100 .

The cover plate is fixed at both ends of the core column 10, and the cover plate 40 is fixed in the space formed by the confinement tube, the core column main shaft material 12 and the auxiliary shaft material 11. The present invention does not use the cover plate In what way is the plate 40 fixed to the space at both ends of the core column 10 .

Therefore, it can be further known from the above description that the all-steel buckling restraint support structure 100 of the present invention is through the setting of the modularized iron sheets 20 and the surrounding pipe 30, the modularized iron sheets 20 tightly covers the conversion sections 111, and the confinement tube 30 covers the core column 10 and the modularized iron sheets 20, so that they can slide smoothly during operation without friction. Each bottom plate is provided with at least six protrusions 39, and these protrusions 39 are respectively in contact with the auxiliary shaft material 11, so that the core column 10 can be pulled and pressed smoothly The movement or the generation of friction will affect the quality, and at the same time, it can bind the core column 10, so as to improve the binding effect and approach the tension-compression ratio.

Hereinafter, referring to the drawings, the embodiment of the first embodiment of the construction method of the all-steel buckling system support structure of the present invention will be described.

Please refer to FIG. 7 , together with FIG. 1 to FIG. 6 , FIG. 7 is a flow chart of the steps of the embodiment of the present invention. The present invention further provides a construction method of an all-steel buckling system support structure, which can be applied to the above-mentioned all-steel buckling system support structure 100, which includes the following steps:

Step S01 : forming a core column 10 , the core column 10 is welded by a main shaft material 12 and two auxiliary shaft materials 11 .

Step S02: The two ends of the core column 10 are respectively a conversion section 111, and a circular hole 14 is provided in the center of the main shaft material.

Step S03 : Embedding and fixing at least four modular iron sheets 20 on both ends of the core column 10 respectively, and the modular iron sheets 20 are embedded and fixed on the conversion sections 111 .

Step S04: Welding at least two bottom plates and at least four side plates to form a confinement tube 30. The confinement tube 30 is in the shape of a hollow tube, and each of the bottom plates is provided with at least six protrusions 39, and the protrusions 39 are left-right symmetrical.

Step S05: install the surrounding tube 30 on the outer layer of the core column 10 and the modularized iron sheets 20, the bumps 39 contact the auxiliary shafts 11 respectively, and the surrounding tube 30 is Covering the core column 10 and the modularized iron sheets 20 .

Step S06 : disposing the fixed shaft 13 in the circular hole 14 , and welding the two ends of the fixed shaft 13 to the confining tube 30 .

Thus, it can be further known from the above description that the construction method of the all-steel buckling support structure of the present invention is based on the all-steel buckling support structure 100, and the present invention is based on these modularized The setting of the iron sheet 20 and the surrounding tube 30, and the surrounding tube 30 tightly wraps the core column 10 and the modularized iron sheets 20, so that friction is increased to make the core column 10 not Sliding, and the present invention sets at least six bumps 39 through the base plates, and these bumps 39 contact the auxiliary shaft material 11 respectively, so that the core column 10 can pull and press smoothly or generate friction for quality. At the same time, it can also bind the core column, so as to improve the binding effect and approach the tension-compression ratio.

Thus, the present invention has the following implementation effects and technical effects:

First, the present invention sets at least six protrusions 39 through the base plates, the protrusions 39 are left-right symmetrical, the side plates have a first end 37 and a second end 38, and the confining tube 30 is installed with the The core column 10 and the outer layers of the modularized iron sheets 20, and the bumps 39 respectively contact the auxiliary shaft material 11, so that the core column 10 can smoothly and smoothly pull and compress or generate friction, which will affect the quality. , and at the same time, the core column 10 can be bound, so that the binding effect is improved and the tension-compression ratio is approached.

Second, in the present invention, the modularized iron sheets 20 are embedded and fixed in the conversion sections 111, so as to quickly assemble the modularized iron sheets 20 and the core column 10 to handle a single type of work by welding , to further reduce construction time.

Thirdly, the present invention forms the surrounding tube 30 through full penetration welding of each of the bottom plate and each of the side plates, so as to stabilize the overall structure of the surrounding tube 30 .

Its 4th, the all-steel type buckling system supporting structure of the present invention and construction method thereof, it is to have single material, single type of work, need not fill any concrete or non-shrinkage cement material, can reduce material cost and greatly reduce construction waiting time, The advantage of further precise quality control.

To sum up, the present invention has excellent progressive practicability among similar products. At the same time, the technical data about this type of structure has been searched at home and abroad, and no similar structure has been found in the literature. Therefore, The present invention already meets the requirements of an invention patent, and an application is filed according to the law.

However, what is described above is only a preferred embodiment of the present invention, so all equivalent structural changes made by applying the description of the present invention and the scope of the patent application should be included in the scope of the patent of the present invention.

100: All-steel buckling support structure

12: Main shaft material

111: Conversion section

30: Bound tube

31: The first bottom plate

34: Second side panel

36: Fourth side panel

40: cover plate

Claims (9)

An all-steel buckling beam support structure, which includes: a core column, the core column is welded by a main shaft material and two auxiliary shaft materials, and each of the two ends of the auxiliary shaft materials is a conversion section, the center of the main shaft material is provided with a round hole; at least four modularized iron sheets are respectively embedded and fixed at the two ends of the core column, and the modularized iron sheets are embedded It is fixed at the conversion sections; a surrounding pipe is welded through at least two bottom plates and at least four side plates, the surrounding pipe is in the shape of a hollow tube, and the bottom plates are provided with at least six protrusions, and the protrusions are in the form of Left and right symmetrical, the surrounding pipe system is equipped with the core column and the outer layers of the modularized iron sheets, the protrusions are respectively in contact with the auxiliary shaft materials, and the surrounding pipe system covers the core column and the and a modularized iron sheet; and a fixed shaft, the fixed shaft is arranged in the round hole, and the two ends of the fixed shaft are welded to the surrounding tube. The all-steel buckling restraint support structure as described in Claim 1, wherein the bottom plates include a first bottom plate and a second bottom plate, and the side plates include a first side plate, a second side plate, a third The side plate and a fourth side plate each have a first end and a second end. The all-steel buckling restraint support structure as described in claim 2, wherein the first bottom plate and the outer side of the first end of the first side plate are welded by penetration welding, and the first bottom plate and the second side plate are The outside of the first end is welded by penetration welding, the second bottom plate and the outside of the first end of the third side plate are welded by penetration welding, the second bottom plate and the outside of the first end of the fourth side plate are welded by penetration Welding. The all-steel buckling support structure according to claim 2, wherein the first bottom plate and the inner side of the first end of the first side plate are welded by fillet welding, and the first bottom plate and the second side plate The inner side of the first end of the second bottom plate is welded with a fillet weld, the inner side of the second bottom plate and the first end of the third side plate is welded with a fillet weld, and the second bottom plate is welded with the first end of the fourth side plate The inside is welded with a fillet weld. The all-steel buckling support structure as described in claim 2, wherein the second end of the first side plate and the second end of the third side plate are welded by penetration welding, and the second end of the second side plate The two ends are welded with the second end of the fourth side plate by penetration welding. The all-steel buckling restraint support structure as described in claim 2, wherein the lengths of the side plates are the same or different. The all-steel buckled restraint support structure as described in claim 1, wherein the fixed shaft passes through the central hole of the main shaft material and is welded with the surrounding pipe by penetration welding. The all-steel buckled support structure according to claim 1, wherein the transition section has at least four cutting surfaces, and the modular iron sheet covers the cutting surfaces and contacts the fillet weld between the bottom plate and the side plate. A construction method of an all-steel buckling support structure, which includes the following steps: a core column is formed by welding a main shaft material and two auxiliary shaft materials, and the two ends of each auxiliary shaft material are respectively converted into a Section, the center of the main shaft material is provided with a round hole; at least four modular iron sheets are respectively embedded and fixed on both ends of the core column, and the modular iron sheets are embedded and fixed on the transition sections; At least two bottom plates and at least four side plates are welded into a surrounding tube, the surrounding tube is in the shape of a hollow tube, each of the bottom plates and each of the side plates is provided with at least six protrusions and the protrusions are left-right symmetrical; the surrounding The pipe system is installed with the core column and the outer layers of the modularized iron sheets, and the protrusions are respectively in contact with the auxiliary shaft materials; a fixed shaft is arranged in the round hole, and the two ends of the fixed shaft are connected to the The girth tube is welded.

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