Calculation of concrete transient strain under fire including heating and cooling

被引：0

作者：

Tan, Qing-Hua ^{[1
]}

Zhou, Kan ^{[2
]}

机构：

[1] Department of Civil Engineering, National University of Defense Technology, Changsha

[2] Department of Civil Engineering, Tsinghua University, Beijing

来源：

Gongcheng Lixue/Engineering Mechanics | 2015年 / 32卷

关键词：

Concrete; Cooling; Heating; Thermal expansive coefficient; Transient strain;

D O I：

10.6052/j.issn.1000-4750.2014.04.S027

中图分类号：

学科分类号：

摘要：

The concrete transient strain is transformed into the free expansive strain by a equivalent thermal expansive coefficient firstly; and then, based on the one-dimensional model for transient strain and the open service interface of general commercial program software, a subsroutine is developed to include the transient strain under the state of three-dimensional stress and the fire including heating and cooling; in the end, test data are used to verify the method. The comparison results show that: with the inclusion of transient strain, the deformations of structures under heating and cooling increase, and the calculation results are much closer to the test results, which demonstates the equivalent expansive coefficient is a feasible method to include transient strain explicitly. ©, 2015, Tsinghua University. All right reserved.

引用

页码：163 / 166

页数：3

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