Cracking caused by early-age deformation of concrete - prediction and control

被引：20
|
作者：
Gilbert, R. I. [1 ]
机构：
[1] Univ New South Wales, Ctr Infrastruct Engn & Safety, Sydney, NSW 2052, Australia
来源：
MODERN BUILDING MATERIALS, STRUCTURES AND TECHNIQUES | 2017年 / 172卷
基金：
澳大利亚研究理事会;
关键词：
Concrete; crack control; cracking; early-age deformation; heat of hydration; restraint; serviceability; shrinkage;
D O I：
10.1016/j.proeng.2017.02.012
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper deals with the control of cracking caused by restraint to early-age cooling and shrinkage of concrete. Such cracking is inevitable in many situations and a significant amount of reinforcement crossing each crack is required for crack control. Rational procedures are proposed for determining the degree of restraint in a variety of practical reinforced concrete members and the amount of reinforcement required for the control of early-age cracking. Procedures for calculating the width and spacing of cracks are also outlined. (C) 2017 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：13 / 22
页数：10
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