a block

A block and skeleton technology, applied in the direction of sustainable waste treatment, solid waste management, application, etc., can solve the problems of adverse effects of frost resistance and durability of walls, reduced wall thermal insulation performance, poor thermal insulation performance, etc. , to achieve superior thermal insulation performance, enhanced thermal insulation effect, and not easy to crack

Active Publication Date: 2016-03-16
JIANGSU FANGJIAN ENG QUALIFICATION TESTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the blocks that constitute the walls of buildings are basically hollow concrete blocks. Although the blocks of this hollow structure reduce the weight of the wall to a certain extent, there are the following problems: one is that it has a strong The heat-insulating performance of the wall is poor due to thermal bridge effect, and the hollow part of the wall formed by the stacked hollow blocks forms an air convection channel inside the wall, thereby further reducing the thermal insulation performance of the wall; Yes, the impact resistance and bearing strength are relatively weak, and it is easy to produce micro-cracks or even cracks; the third is that the waterproof performance is not good, and the moisture content of the wall will change with the change of the ambient humidity, thus affecting the frost resistance of the wall. adverse effect on durability

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] First prepare the mineral powder, and grind the limestone through a 100-mesh sieve with a pulverizer to obtain the limestone mineral powder.

[0022] Then weigh the materials that make up the skeleton according to the following percentages by weight: 25% cement, 45% fly ash ceramsite with a particle size not greater than 10mm, 10% basalt material with a particle size not greater than 10mm, 9% of the above-mentioned limestone mineral powder, 10% of woody plant fiber and 1% of admixture; put the above-mentioned materials weighed into a mixer, add water and stir evenly to form a skeleton mixture, which is ready for use.

[0023] Then take by weighing the following weight percent materials that form the core: 25% of cement, 45% of polystyrene lightweight particle filler, 25% of limestone mineral powder and 5% of n-pentane blowing agent; Put it into a blender, add water and stir evenly to form a core mixture, set aside.

[0024] Finally, the skeleton mixture and the core mi...

Embodiment 2

[0026] First prepare the mineral powder, and grind the calcium carbide through a 200-mesh sieve with a mill to obtain the calcium carbide mineral powder.

[0027] Then weigh the materials that make up the skeleton according to the following weight percentages: 32% cement, 28% spontaneous combustion coal gangue with a particle size not greater than 10mm, 15% basalt rock with a particle size not greater than 10mm, 12% calcium carbide powder, and 11% plant fiber. % and admixture 2%; put the above-mentioned materials weighed into a mixer and stir evenly to form a skeleton mixture for use.

[0028] Then take the following weight percent materials that form the core: 45% of cement, 25% of EPS granules, 15% of calcium carbide powder and 15% of trichlorofluoromethane blowing agent; Evenly, form a core mixture, set aside.

[0029] Finally, the skeleton mixture and the core mixture are respectively injected into the corresponding cavity of the mould, and then formed, and then the block...

Embodiment 3

[0031] First prepare the mineral powder, and grind the limestone through a 200-mesh sieve with a pulverizer to obtain the limestone mineral powder.

[0032] Then weigh the materials that make up the skeleton according to the following weight percentages: 36% of cement, 30% of porous sintered material with a particle size of no more than 10mm, 11.5% of basalt rock with a particle size of no more than 10mm, 8% of the above-mentioned limestone mineral powder, and 13% of plant fiber and admixture 1.5%; put the above-mentioned materials weighed into a mixer, add water and stir evenly to form a skeleton mixture, which is ready for use.

[0033] Then take by weighing the following weight percent materials that form the core: 45% of cement, 25% of polystyrene lightweight particle filler, 20% of the above-mentioned limestone mineral powder and 10% of tetrafluoroethylene dichloride blowing agent; Put the above-mentioned materials into a mixer and add water to stir evenly to form a core ...

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Abstract

The invention relates to a building block. The building block comprises a skeleton and a core body, wherein the skeleton and the core body are molded synchronously; the skeleton comprises the following materials in percentage by weight: 25 to 45 percent of cement, 25 to 45 percent of lightweight aggregate, 10 to 20 percent of basalt stone, 8 to 15 percent of mineral powder, 10 to 20 percent of plant fibers and 1 to 2 percent of admixture; the core body comprises the following materials in percentage by weight: 25 to 45 percent of cement, 25 to 45 percent of ultra-lightweight particles, 15 to 25 percent of mineral powder and 5 to 15 percent of foaming agent. The building block has the advantages that a skeleton body has high toughness, and is not easy to crack or generate microcracks; the core body is made of a lightweight heat insulation material, so that the specific gravity of the overall building block is reduced, and a heat insulation effect is enhanced; therefore, the overall weight of a built wall body is light, and the heat insulation performance is high.

Description

technical field [0001] The invention relates to a building material, in particular to a building block. Background technique [0002] At present, the blocks that constitute the walls of buildings are basically hollow concrete blocks. Although the blocks of this hollow structure reduce the weight of the wall to a certain extent, there are the following problems: one is that it has a strong The heat-insulating performance of the wall is poor due to thermal bridge effect, and the hollow part of the wall formed by the stacked hollow blocks forms an air convection channel inside the wall, thereby further reducing the thermal insulation performance of the wall; Yes, the impact resistance and bearing strength are relatively weak, and it is easy to produce micro-cracks or even cracks; the third is that the waterproof performance is not good, and the moisture content of the wall will change with the change of the ambient humidity, thus affecting the frost resistance of the wall. and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C1/41C04B28/00C04B38/02C04B16/02
CPCC04B28/02C04B2111/28Y02W30/91C04B14/14C04B14/28C04B14/322C04B16/08C04B18/082C04B18/24C04B20/0076C04B38/02C04B2103/32
Inventor 顾春龙唐秋琴童学平陈福宁言凯
Owner JIANGSU FANGJIAN ENG QUALIFICATION TESTING
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