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Modified daubing brick

A lime-sand brick and modification technology, which is applied in the directions of climate sustainability, building components, sustainable waste treatment, etc., can solve the problems of limiting the application range of lime-sand bricks, difficult to adapt to building requirements, etc., and achieves expanded use and low cost. , the effect of increasing the porosity

Inactive Publication Date: 2007-12-05
潘太民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned shortcomings of lime-sand bricks are difficult to adapt to the building requirements of more than five floors, which limits the application range of lime-sand bricks

Method used

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  • Modified daubing brick

Examples

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Embodiment Construction

[0018] The first embodiment: take 80% of sand, 10% of quicklime, and 3% of expanded perlite particles, add water and stir evenly, digest for 4 hours, and press it into a brick of 240 × 115 × 53mm with a brick press, and the brick will pass through during the process. Use multiple scribe scratchers to draw multiple scratches with a depth of 0.5-2mm on the surface, and then send them into the autoclave at a temperature of 174°C and a steam pressure of 8kg / cm 2 , autoclave for 6 hours, and then keep warm for 8 hours to obtain a bulk density of 1650kg / m 3 , finished bricks with compressive strength above 15mpa.

[0019] The second embodiment: take 85% of sand, 10% of quicklime, and 5% of shale ceramsite, add water to fully stir, and then digest for 4 hours, press it into a 240×115×53mm adobe with a brick press, and send it into the autoclave , temperature 180°C, steam pressure 8.5kg / cm 2 , autoclaved for 9 hours, and then heat-preserved for 10 hours, you can get a bulk density o...

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Abstract

The present invention relates to building material, and is especially one kind of modified lime-sand brick superior to available lime-sand brick, which has great specific weight, small bonding force to mortar and incapability of use in high rise building. The modified lime-sand brick is produced with natural silica sand, lime and light rock. It has strength and specific weight similar to that of common clay brick, heat insulating and sound isolating performance higher than that of common clay brick, relatively low cost and wide application range.

Description

Technical field [0001] The invention relates to a building material, namely a modified lime-sand brick. Background technique [0002] Lime-sand bricks, also known as lime-sand bricks, are building bricks made from natural dune sand and a small amount of lime after mixing, digestion, pressing, and high-temperature and high-pressure steam curing. Gray sand bricks are hard in texture, regular in shape and white as jade in color, and have many advantages. In addition, waste sand can be used to turn harm into benefit, so it has a good application prospect. However, lime-sand bricks still have two disadvantages. One is that they have a relatively large proportion, which is about 10% heavier than clay bricks. When used in high-rise buildings, it will increase the cost of the foundation. The second is that due to the tight structure, the combination with the mortar is poor, which slightly affects the integrity of the wall. The above-mentioned shortcomings of lime-sand bricks are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/18C04B14/18C04B14/14C04B14/06C04B40/00E04C1/00B28B3/20
CPCC04B18/04C04B28/18Y02P40/60Y02W30/91C04B14/06C04B14/185C04B20/0076C04B40/024C04B14/108C04B20/002
Inventor 潘太民
Owner 潘太民
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