Effects of uniaxial stress on alkali-silica reaction induced expansion of concrete

被引：64
|
作者：
Dunant, Cyrille F. [1 ]
Scrivener, Karen L. [2 ]
机构：
[1] Univ Toronto, Toronto, ON M5S 1A4, Canada
[2] EPFL STI IMX LMC, CH-1015 Lausanne, Switzerland
来源：
CEMENT AND CONCRETE RESEARCH | 2012年 / 42卷 / 03期
基金：
瑞士国家科学基金会;
关键词：
Alkali-aggregate reaction (ASR); XFEM; Long-term performance; Mechanical properties; Modelling; GEL; PRESSURE;
D O I：
10.1016/j.cemconres.2011.12.004
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
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.
引用
收藏
页码：567 / 576
页数：10
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