不同状态铝土尾矿泥对泡沫混凝土性能的影响

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发布时间：2020-01-06 00:00:00

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不同状态铝土尾矿泥对泡沫混凝土性能的影响

Effect of different states of alumina tailings mud on properties of foamed concrete

2023年第9期

铝土尾矿泥；含水量；泡沫混凝土；工作性；力学性能；吸水率；孔结构

Alumina tailings mud; Moisture content; Foamed concrete; Workability; Mechanical property; Water absorption rate; Pore structure

2023年第9期

10.19761/j.1000-4637.2023.09.090.05

广西住建厅科技术计划项目（桂建函〔2020〕783号）。

秦金喜1，吕政凡2，*

1.广西新发展交通集团有限公司，广西南宁 530029；2.广西交建工程检测咨询有限公司，广西南宁 530010

秦金喜1，吕政凡2，*

秦金喜,吕政凡.不同状态铝土尾矿泥对泡沫混凝土性能的影响[J].混凝土与水泥制品,2023(9):90-93,99.

QIN J X,LYU Z F.Effect of different states of alumina tailings mud on properties of foamed concrete[J].China Concrete and Cement Products,2023(9):90-93,99.

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摘要：为了提高铝土尾矿泥（以下简称尾泥）的资源化利用率，根据含水量对广西某岩溶洼地型排泥库的尾泥状态进行了分类，研究了不同状态尾泥对W4密度等级泡沫混凝土工作性、力学性能、体积吸水率和孔结构的影响，并进行了微观分析。结果表明：尾泥状态大致分为可塑态、软塑态、流塑态和高流塑态；采用软塑态尾泥制备的泡沫混凝土性能不满足相关标准要求；采用流塑态和高流塑态尾泥制备的泡沫混凝土性能基本一致，且满足相关标准要求。 Abstract: In order to improve the resource utilization rate of alumina tailings mud, the alumina tailings mud of a mud dump in a karst depression in Guangxi was classified based on the moisture content. The effects of alumina tailings mud in different states on workability, mechanical properties, volume water absorption rate and pore structure of W4 density grade foamed concrete were studied, and the microscopic analysis was carried out. The results show that the alumina tailings mud can be roughly divided into plastic state, soft plastic state, flow plastic state and high flow plastic state. The performance of foamed concrete prepared with soft plastic alumina tailings mud does not meet the requirements of relevant standards. The performance of foamed concrete prepared with flow plastic and high flow plastic alumina tailings mud is basically the same, and meets the requirements of relevant standards.

英文名 : Effect of different states of alumina tailings mud on properties of foamed concrete

刊期 : 2023年第9期

关键词 : 铝土尾矿泥；含水量；泡沫混凝土；工作性；力学性能；吸水率；孔结构

Key words : Alumina tailings mud; Moisture content; Foamed concrete; Workability; Mechanical property; Water absorption rate; Pore structure

刊期 : 2023年第9期

DOI : 10.19761/j.1000-4637.2023.09.090.05

文章编号 :

基金项目 : 广西住建厅科技术计划项目（桂建函〔2020〕783号）。

作者 : 秦金喜1，吕政凡2，*

单位 : 1.广西新发展交通集团有限公司，广西南宁 530029；2.广西交建工程检测咨询有限公司，广西南宁 530010

秦金喜1，吕政凡2，*

秦金喜,吕政凡.不同状态铝土尾矿泥对泡沫混凝土性能的影响[J].混凝土与水泥制品,2023(9):90-93,99.

QIN J X,LYU Z F.Effect of different states of alumina tailings mud on properties of foamed concrete[J].China Concrete and Cement Products,2023(9):90-93,99.

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摘要

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结论

参考文献

引用本文

Abstract: In order to improve the resource utilization rate of alumina tailings mud, the alumina tailings mud of a mud dump in a karst depression in Guangxi was classified based on the moisture content. The effects of alumina tailings mud in different states on workability, mechanical properties, volume water absorption rate and pore structure of W4 density grade foamed concrete were studied, and the microscopic analysis was carried out. The results show that the alumina tailings mud can be roughly divided into plastic state, soft plastic state, flow plastic state and high flow plastic state. The performance of foamed concrete prepared with soft plastic alumina tailings mud does not meet the requirements of relevant standards. The performance of foamed concrete prepared with flow plastic and high flow plastic alumina tailings mud is basically the same, and meets the requirements of relevant standards.

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