Research on Preparation of Non-Autoclaved Aerated Concrete with Phosphorus Slag

PENG Xiaoqin; QI Guihai; LIN Lixun; WANG Yong

doi:10.11835/j.issn.1674-4764.2008.04.029

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Research on Preparation of Non-Autoclaved Aerated Concrete with Phosphorus Slag

更新时间：2023-11-28

- Research on Preparation of Non-Autoclaved Aerated Concrete with Phosphorus Slag
- Journal of Civil and Environmental Engineering Vol. 30, Issue 4, Pages: 132-135(2008)
- 作者机构：
  
  1. 重庆大学材料科学与工程学院,重庆,400045
  2. 贵州中建建筑科研设计院，贵阳550006
- 作者简介：
- 基金信息：
- DOI：10.11835/j.issn.1674-4764.2008.04.029
  CLC：
- Published：2008
- 稿件说明：
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PENG Xiaoqin, QI Guihai, LIN Lixun, et al. Research on Preparation of Non-Autoclaved Aerated Concrete with Phosphorus Slag[J]. Journal of Civil and Environmental Engineering, 2008, 30(4): 132-135.
DOI：

PENG Xiaoqin, QI Guihai, LIN Lixun, et al. Research on Preparation of Non-Autoclaved Aerated Concrete with Phosphorus Slag[J]. Journal of Civil and Environmental Engineering, 2008, 30(4): 132-135. DOI： 10.11835/j.issn.1674-4764.2008.04.029.

摘要

为了能够以碱磷渣材料制备出免蒸压加气混凝土，达到更好的处理和利用工业废弃物磷渣的目的，用单因素试验的方法分别研究了料浆中的粉料组成及发气剂、水玻璃模数、碱含量和碱激发剂温度等因素的影响。研究表明：水泥、粉煤灰含量会影响料浆的浇筑稳定性，而发气剂掺量、水玻璃模数、碱含量等会影响加气混凝土的容重；实验中制备出了容重在535~887 kg/m3、抗压强度在6~9.5 MPa的加气混凝土；免蒸压磷渣加气混凝土的力学性能符合GB 11968—2006中的相关要求。

Abstract

In order to prepare aerated concrete with alkali-phosphorus slag and better use of industrial waste

the powder composition of the slurry was investigated. The impacts of certain factors on aerated concrete

including the foaming agent

sodium silicate modulus

alkali content and the temperature of alkali solution also were investigated using single-factor test methods. The results indicate that: the cement and fly ash in powder have impacts on the pouring stability of slurry

and the bulk density of aerated concrete is impacted by the amount of foaming agent

sodium silicate modulus and alkali content. In the experiment

aerated concrete with bulk density in range of 535~887 kg/m3 and compressive strength of 6~9.5 MPa was produced; its mechanical performance conforms to the requirements of the standard GB 119682006.

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