Experimental study on the impact of workability of low strength manufactured sand concrete

被引：0

作者：

Xu, Dazhen ^{[1
]}

Li, Guhua ^{[1
]}

Liao, Zhuangzhi ^{[2
]}

Yan, Haiwei ^{[2
]}

Yu, Chunhui ^{[1
]}

机构：

[1] Southwest Jiaotong Univ, Chengdu 610031, Peoples R China

[2] Bashan Highway Co Ltd, Chengdu, Peoples R China

来源：

ARCHITECTURE, BUILDING MATERIALS AND ENGINEERING MANAGEMENT, PTS 1-4 | 2013年 / 357-360卷

关键词：

low strength concrete; manufactured sand concrete; powder equivalent volume; workability;

D O I：

10.4028/www.scientific.net/AMM.357-360.1428

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The concept of powder volume equivalent coefficient is presented to study the reasonable powder volume and solve the problem that the cohesiveness and bleeding of low strength manufactured sand concrete is poor. With the way of laboratory experiment, water requirement of normal consistency of different powder is tested to determine the powder volume. The impact of powder volume on the low strength manufactured sand concrete workability under same sand ratio is analyzed with improved Mehta method. The experimental result shows that freshly mixed low strength manufactured sand concrete workability can be evaluated with powder volume equivalent coefficient and the reasonable powder equivalent volume is 156 similar to 160L/m(3).

引用

页码：1428 / +

页数：2

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