Effects of uniaxial stress on alkali-silica reaction induced expansion of concrete
Effects of uniaxial stress on alkali-silica reaction induced expansion of concrete
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DOI：
10.1016/j.cemconres.2011.12.004
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发表时间：
2012-03-01
影响因子：
11.4
通讯作者：
Scrivener, Karen L.
中科院分区：
文献类型：
--
作者：
Dunant, Cyrille F.;Scrivener, Karen L.
在真实的结构中，受ASR影响的混凝土通常会受到影响材料宏观膨胀的载荷。进行了一项实验研究，使用嵌入在反应和非反应样品加载在修改后的蠕变框架的传感器。采用数值分析的方法将荷载作用下的微结构损伤与膨胀联系起来。我们表明，负载的影响微裂纹扩展，这改变了形状的扩展曲线。(C)2011爱思唯尔有限公司保留所有权利。
ASR affected concrete in real structures is usually subject to loads which affect the macroscopic expansion of the material. An experimental study was undertaken using sensors embedded in reactive and non-reactive samples loaded on modified creep frames. Numerical analysis was used to link micro-structural damage under the load to expansion. We show that load influences the micro-crack propagation, which changes the shape of the expansion curve. (C) 2011 Elsevier Ltd. All rights reserved.