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Steamed aerated concrete

An autoclaved aeration and concrete technology, which is applied in the field of concrete, can solve the problems of poor sound insulation, heat insulation performance, lack of processing conditions, heavy concrete density, etc., and achieve the effect of good thermal insulation performance, light bulk density and large utilization coefficient

Inactive Publication Date: 2008-12-24
SHANGHAI LIANGPU NEW WALL MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The above-mentioned series of concrete have heavy bulk density, poor sound insulation and heat insulation performance, do not have processing conditions, and are all artificial stones formed under normal temperature or steam curing, and the production cycle is relatively long

Method used

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Embodiment Construction

[0010] Below in conjunction with specific embodiment the present invention is described in further detail:

[0011] The present invention is composed of lime, cement, fly ash or quartz sand, gypsum, gas generating agent and admixture;

[0012] The quartz sand is tailings sand; the gas-generating agent can be metal aluminum paste or aluminum powder; the admixture can be saponin powder or pull-off material or benzene seed cake;

[0013] Ash aerated concrete mix ratio (%): lime 20-23, cement 5-10, fly ash 72-63.5, gypsum 3-3.5, aluminum powder 0.068-0.072, saponin powder 0.068-0.072;

[0014] Mixing ratio of sand aerated concrete (%): lime 18-15.5, cement 11-16.5, quartz sand 67.7-64.5, gypsum 3.3-3.5, aluminum powder 0.075-0.08, saponin powder 0.075-0.08;

[0015] The mix ratio of aerated concrete requires that the fineness of lime particles be controlled at 0.080mm sieve ≤ 15%, the digestion time is 8-16 minutes, the digestion temperature is 68-75℃; the cement particle finenes...

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Abstract

The present invention relates to an autoclaved aerated concrete, which is composed of lime, cement, coal ash or quartz sand, gypsum, foaming agent and admixture. The autoclaved aerated concrete has the advantages of light volume weight, good heat-preserving property, large building plane utilization coefficient, processibility, and good fireproof property.

Description

technical field [0001] The invention relates to a building material, in particular to a concrete. Background technique [0002] Concrete is widely used in the field of construction. [0003] The existing concrete is a mixture of cementitious material and water in a certain proportion, and after hardening, artificial stone with certain strength is formed. Cement is used as cement and sand, gravel, and water are mixed in a certain proportion, and the mixture formed by mixing is called cement concrete, and its bulk density is generally 2400kg / m 3 . Calcium material and siliceous material are mixed in a certain proportion, and the mixture formed by mixing is called Portland concrete, and its bulk density is generally 1600-2400kg / m 3 . The concrete formed by using light aggregate or air bubbles to replace the aggregate in ordinary concrete is called light concrete, and its bulk density is less than 1900kg / m 3 . [0004] Concrete made of various ceramsite, expanded beads, et...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28C5/00B28C7/06
Inventor 朱卫民李兴志
Owner SHANGHAI LIANGPU NEW WALL MATERIALS
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