TW201321335A - Sand slurry - Google Patents

Abstract

This invention provides a sand slurry and its application. The sand slurry comprises the type II Portland cement, the fly ash, the ceramic ball, the perlite, the silicon and the marble sand. The sand slurry of the ingredients mentioned above is added into the cement, the concrete or dry mixed sand slurry, and the mixture is applicable to floor panels, roofs, the wall flattening and painting, the surface layer decoration and the light weight partition wall to provide the effects of light weight, sound insulation, thermal insulation, crack resistance and fireproof.

Description

mortar

This invention relates to a mortar, especially to a mortar for use in a light compartment, and to the use of the mortar.

The construction of the slab or roof of the prior art is to mechanically stir cement, sand or sand, foamed polystyrene according to an appropriate ratio, and then inject the uniformly mixed raw materials into the mold to form and form a body. And coating a surface layer on the surface of the formed plate body, and the surface layer may be a cement layer or other material layer, and the plate body may be used for the floor or the roof, and the plate body is composed of the expanded polystyrene. It has the function of heat insulation and sound insulation.

In addition, the light partition wall system uses the surface material of the light steel frame as a template, on the one hand, the advantage of using the surface material to be flat without the need for painting, and on the other hand, the internal reinforced concrete wall is provided by the internal light-weight slurry ( Reinforce concrete, RC) The same features. The prior art light partition wall is made of a conventional cement mortar as a grouting material, a steel-structured building, and a large amount of expanded foamed polystyrene, ceramsite, vermiculite, etc. The aggregate cement mortar is used as a grouting material, and its specific gravity is about 1.0 to 1.4, and the grouting material of the prior art partition wall is made of cement, sand and polystyrene, and its cement: sand: polystyrene The weight ratio is 1:3:4, and the wall of the partition wall has a specific gravity of 1.1 or less.

Since the prior art is composed of a mortar for slabs, roofs, wall leveling and light partition walls, and comprises expanded polystyrene particles, the expanded polystyrene particles cannot be degraded by microorganisms in nature to cause ecological environment pollution; It is not waterproof, soundproof, heat-insulating, crack-resistant and fire-resistant, but also has the disadvantage of excessive volume and weight of materials.

In view of the fact that the prior art mortar cannot be decomposed and pollutes the ecological environment, and has no disadvantages such as water repellency, sound insulation, heat insulation, crack resistance, fire prevention, and excessive volume and weight of the material, the object of the present invention is to provide a mortar, the mortar No need for polystyrene particles, and the quality is light, and it has the effects of sound insulation, heat insulation and fire prevention.

To achieve the above object, the composition of the mortar of the present invention comprises: type II portland cement, fly ash, ceramsite, perlite, and silicon. , and; marble sand.

Preferably, the Portland Type II cement is in the form of a powder having a particle size of between 0.1 micrometers (μm) and 1 micrometer and comprising tricalcium silicate (C ₃ S) and strontium. Dicalcium silicate (C ₂ S), tricalcium aluminate (C ₃ A), silicon dioxide (SiO ₂ ), tetracalcium aluminoferrite (C ₄ AF), Aluminium oxide (Al ₂ O ₃ ) and magnesium oxide (MgO); the amount of Portland type 2 cement ranges from 180 kg (kg) to 280 kg.

Preferably, the fly ash is in the form of a powder having a particle size of between 0.4 μm and 100 μm and comprising aluminum oxide (Al ₂ O ₃ ), calcium oxide (CaO), Ferric oxide (Fe ₂ O ₃ ), potassium oxide (K ₂ O), magnesium oxide (MgO), sodium oxide (Na ₂ O), silicon dioxide (silicon) Dioxide, SiO ₂ ) and sulfur trioxide (SO ₃ ); the amount of fly ash ranges from 250 kg to 340 kg.

Preferably, the ceramsite is granular, having a particle size of between 1 mm (mm) and 10 mm, and comprises clay, clay, mudstone, shale ( Shale), slate, phyllite, and gangue; the ceramsite ranges from 100 kg to 150 kg.

Preferably, the perlite is granular, has a particle size of between 5 mm and 20 mm, and comprises silicon dioxide (SiO ₂ ), aluminum oxide (Al _{2 ).} O ₃ ), ferric oxide (Fe ₂ O ₃ ), calcium oxide (CaO), manganese (manganese, Mn), sodium oxide (NaO) and potassium (potassium, K); The perlite is used in amounts ranging from 90 kg to 120 kg.

Preferably, the glass sand is granular, has a particle diameter of between 2 mm and 10 mm, and comprises silicon dioxide (SiO ₂ ), sodium carbonate (Na ₂ CO _{3 ).} And potassium carbonate (K ₂ CO ₃ ); the amount of the glass sand ranges from 60 kg to 150 kg.

Preferably, the marble sand comprises calcium carbonate (CaCO ₃ ) and magnesium carbonate (MgCO ₃ ), and the amount of the marble sand ranges from 65 kg to 160 kg.

Preferably, the mortar further comprises calcium carbonate (CaCO ₃ ), methyl cellulose, ZY type expansive agent and air entraining agent or The mixture of the above, and the above mixture is added to the cement mortar, concrete or dry mortar, which can facilitate the delivery of mercury and fill the dead angle of the pipeline in the light compartment wall.

Preferably, the calcium carbonate powder is in the form of particles having a particle size of between 2 μm and 10 μm, and as is known, the calcium carbonate is used to enhance the strength of cement, concrete or dry mortar. And includes calcium oxide (CaO), silicon dioxide (SiO ₂ ), ferric oxide (Fe ₂ O ₃ ), magnesium oxide (MgO) and aluminum oxide (aluminium oxide, Al ₂ O ₃ ); the amount of the calcium carbonate powder ranges from 20 kg to 50 kg.

Preferably, the methylcellulose, as known, is used as a water retaining agent or retarder for cement or concrete to impart pumpability to cement or concrete. The methyl cellulose comprises alkali cellulose, chloromethane and dimethyl sulfate, and the methyl cellulose is used in an amount ranging from 5 kg to 35 kg.

Preferably, the ZY expansion agent, as known, is used for cement solidification and hardening, and then expands in volume, which can compensate for concrete shrinkage, prestressing of tensioned steel bars, and sufficient filling of cement gap. The ZY expander comprises ettringite, aluminosilicate and calcium sulfate (CaSO ₄ ), and the ZY expander is used in an amount ranging from 10 kg to 20 kg.

Preferably, the air entraining agent, as known, is used for cement or concrete to increase freeze-thaw resistance and reduce corrosion of chloride salts, the gas carrier comprising sodium oleate ( Sodium oleate), rosin thermoplastic resin, sodium laureth sulfate and phenol ethoxylate, and the amount of the gas carrier is between 5 kg Up to 10 kg.

The mortar of the present invention may be in the form of a powder or a liquid, preferably in the form of a powder.

The mortar of the invention can be directly added to cement and concrete, and is applied to floor, roof, wall leveling and painting, surface layering and light compartment wall, and has different proportions.

Preferably, the mortar has a wet specific gravity of from 1.0 to 1.5.

Preferably, the mortar has a dry specific gravity of from 0.6 to 0.9.

Preferably, the mortar has a water solid ratio (W/S) of 0.3 to 0.5.

Preferably, the 28-day compressive strength of the mortar is between 1,500 pounds per square inch (psi) and 2000 pounds per square foot.

Preferably, the unit weight of the mortar is between 1000 kilograms per kilometer (kgw/m ³ ) to 1500 kilograms.

The mortar of the invention can be added to cement or concrete in different proportions, and is applied to floor, roof, wall leveling, surface layering and light partition wall, and has light weight, soundproofing, heat insulation and resistance. Cracked and fireproof effect.

The mortar of the present invention comprises Portland type II cement, fly ash, ceramsite, perlite, glass sand, marble sand and chemical auxiliaries. The mortar further comprises calcium carbonate powder, methyl cellulose, ZY expansion agent and gas carrier.

The invention is further illustrated by the following examples which are not intended to limit the invention.

Example

Example 1 Preparation of Mortar

A mortar of the present invention is prepared by using a Portland type 2 cement having a particle diameter of 0.1 μm to 1 μm and a dose of 180 kg to 280 kg, and having a particle diameter of 0.4 μm to 100 μm. Fly ash from 250 kg to 340 kg, ceramsite with a particle size between 1 mm and 10 mm and between 100 kg and 150 kg, particle size between 5 mm and 20 mm and dosage between 90 kg and 120 kg of perlite, glass sand with a particle size between 2 mm and 10 mm and a dose between 60 kg and 150 kg, marble sand with a particle size of 65 kg to 160 kg, particle size between 2 μm and 10 μm and between 20 kg to 50 kg of calcium carbonate powder, 5 kg to 35 kg of methylcellulose, 10 kg to 20 kg of ZY bulking agent and 5 kg to 10 kg of gas carrier are mixed to form a mortar.

Example 2 Unit weight test of mortar

The mortar prepared in Example 1 was subjected to the National Standards of the Republic of China 1163 A3027 and the Chinese National Standards (1163 A3027) (CNS 1163 A3027), and the unit weight of the mortar was 1000 kgw/m. ³ to 1500 kgw/m ³ , which is about 1/6 to 1/8 of the weight of the existing reinforced concrete wall and 1/2B brick wall, and the mortar of the present invention is added to the cement or concrete to reduce the weight of the cement or concrete. And the mortar has a low specific gravity and can avoid excessive stress on the structure.

Example 3 Specific gravity test of mortar

The mortar prepared in Example 1 was tested by the National Standards of 487 A3006 and the Chinese National Standards (487 A3006) (CNS 487 A3006). The test results showed a wet specific gravity of 1.0 to 1.5. The dry specific gravity is between 0.6 and 0.9.

Example 4 Water-solid ratio test of mortar

The mortar prepared in Example 1 was tested by the National Standards of China National Standards (CNS 12832 A3319) (CNS 12832 A3319) using the National Standards of CNS 12832 A3319 (CNS 12832 A3319). The test results showed that the water-solid ratio system was between 0.3 and 0.5. .

Example 5 Compressive Strength Test of Mortar

The mortar prepared in Example 1 was tested by the National Standards of CNS 1010 R3032 hydraulic cement compaction (Chinese National Standards, 1010 R3032) (CNS 1010 R3032), and the test result was 28 days compressive strength. It ranges from 1,500 pounds per square foot (psi) to 2000 pounds per square foot.

Example 6 Sound insulation test of mortar

The mortar prepared in Example 1 was added to the American Society for Testing and Materials (ASTM E2179-03) by adding environmentally friendly, non-toxic and light-weight ceramsite and perlite. The test result is about 48 decibels (db) for soundproof decibels, 40db to 46db higher than brick walls or walls, and has good sound insulation effect.

Example 7 Insulation test of mortar

The mortar prepared in Example 1 was subjected to American Society for Testing and Materials (ASTM C518), and had a low thermal conductivity K value and a high thermal resistivity. It is about 1/8 of the existing mortar and has a good heat insulation effect.

Claims (19)

A mortar comprising: type II portland cement, fly ash, ceramsite, perlite, silicon, and marble sand (marble sand). The mortar according to claim 1, wherein the Portland type 2 cement comprises tricalcium silicate (C ₃ S), dicalcium silicate (C ₂ S), and aluminate three. Tricalcium aluminate (C ₃ A), silicon dioxide (SiO ₂ ), tetracalcium aluminoferrite (C ₄ AF), aluminum oxide (Al ₂ O ₃ ) and magnesium oxide ( Magnesium oxide, MgO). The mortar according to claim 1, wherein the fly ash comprises aluminum oxide (Al ₂ O ₃ ), calcium oxide (CaO), ferric oxide (Fe ₂ O _{3 )} ), potassium oxide (K ₂ O), magnesium oxide (MgO), sodium oxide (Na ₂ O), silicon dioxide (SiO ₂ ), and sulfur trioxide (sulfur trioxide) , SO ₃ ). The mortar of claim 1, wherein the ceramsite comprises a clay, a clay, a mudstone, a shale, a slate, and a phyllite. And coal gangue (gangue). The mortar according to claim 1, wherein the perlite comprises silicon dioxide (SiO ₂ ), aluminum oxide (Al ₂ O ₃ ), ferric oxide (ferric oxide, Fe ₂ O ₃ ), calcium oxide (CaO), manganese (manganese, Mn), sodium oxide (NaO), and potassium (potassium, K). The mortar according to claim 1, wherein the glass sand comprises silicon dioxide (SiO ₂ ), sodium carbonate (Na ₂ CO ₃ ), and potassium carbonate (K ₂ CO _{3 ).} ). The mortar according to claim 1, wherein the marble sand comprises calcium carbonate (CaCO ₃ ) and magnesium carbonate (MgCO ₃ ). The mortar according to claim 1, further comprising calcium carbonate (CaCO ₃ ), methyl cellulose, ZY type expansive agent and gas carrier ( Air entraining agent) or a mixture thereof. The mortar according to claim 8, wherein the calcium carbonate powder comprises calcium oxide (CaO), silicon dioxide (SiO ₂ ), ferric oxide (Fe ₂ O _{3 )} ), magnesium oxide (MgO) and aluminum oxide (Al ₂ O ₃ ). The mortar of claim 8, wherein the methyl cellulose comprises alkali cellulose, chloromethane, and dimethyl sulfate. The mortar of claim 8, wherein the ZY expansion agent comprises ettringite, aluminosilicate, and calcium sulfate (CaSO ₄ ). The mortar according to claim 8, wherein the gas carrier comprises sodium oleate, rossol, vinsol, sodium laureth sulfate and phenol ethoxylate. Phenolic ethoxylate. The mortar according to any one of claims 1 to 12, wherein the Portland type 2 cement is in the form of a powder having a particle size of between 0.1 μm and 1 μm and a dosage ranging from 180 kg to 280. Kg, and; fly ash is powdery, with a particle size between 0.4 μm and 100 μm, and the amount ranges from 250 kg to 340 kg; and the ceramsite is granular and has a particle size of 1 mm to Between 10 mm and in the range of 100 kg to 150 kg, and the perlite system is granular, with a particle size between 5 mm and 20 mm, and in a range from 90 kg to 120 kg, and; The glass sand system is granular, with a particle size between 2 mm and 10 mm, and the amount ranges from 60 kg to 150 kg, and marble sand, which ranges from 65 kg to 160 kg, and calcium carbonate. The powder is granular, with a particle size between 2 μm and 10 μm, and the amount ranges from 20 kg to 50 kg, and; methyl cellulose, which ranges from 5 kg to 35 kg, and; ZY The expander is used in an amount ranging from 10 kg to 20 kg, and the gas carrier is used in an amount ranging from 5 kg to 10 kg. The use of the mortar according to any one of claims 1 to 13 for screeding, roofing or wall leveling, wherein the mortar is mixed with cement to form a mixture which is used for coating Flatten the painted plane. The mortar according to claim 14 is used for slab, roof or wall leveling, wherein the wet weight of the mortar is between 1.0 and 1.5; the dry specific gravity is between 0.6 and 0.9; the water-solid ratio is From 0.3 to 0.5; the unit weight is between 1000 kgw/m ³ and 1500 kgw/m ³ . The use of a mortar according to any one of claims 1 to 13 for the surface layer modification, wherein the mortar is mixed with cement to form a mixture which is applied to a surface to be coated with a surface layer. . The use of the mortar according to claim 16 for the surface layer modification, wherein the mortar has a wet specific gravity of 1.0 to 1.5; the dry specific gravity is between 0.6 and 0.9; and the water-solid ratio is between 0.3 and 0.5; The unit weight is between 1000 kgw/m ³ and 1500 kgw/m ³ . A use of a mortar according to any one of claims 1 to 13 for a light compartment wall, wherein the mortar is mixed with cement to form a mixture for coating on a light compartment wall Wall. For example, the mortar according to claim 18 is used for a light partition wall, wherein the wet specific gravity of the mortar is between 1.0 and 1.5; the dry specific gravity is between 0.6 and 0.9; and the water to solid ratio is between 0.3 and 0.5. The unit weight is between 1000 kgw/m ³ and 1500 kgw/m ³ .