Self-restraint thermal stress in early-age concrete samples and its evaluation

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• 作者：Yi Xu ; Qing Xu ; Shenghong Chen ; ^{chensh@whu.edu.cn} ; Xinxin Li
• 关键词：Concrete ; Self-restraint thermal stress ; Temperature variation ; Coefficient of linear thermal expansion ; Mesoscopic model ; Thermo-mechanical mismatch
• 刊名：Construction and Building Materials
• 出版年：2017
• 出版时间：1 March 2017
• 年：2017
• 卷：134
• 期：Complete
• 页码：104-115
• 全文大小：4241 K
• 卷排序：134

文摘

Mesoscopic thermo-mechanical model for concrete sample is proposed. Detailed parameters identification of concrete constituents is carried out. Self-restraint thermal stress in early-age concrete sample is numerically evaluated. Main driving factors of self-restraint thermal stress are studied.