Temperature response in concrete under natural environment

被引：12
|
作者：
Liu, Peng [1 ,2 ]
Yu, Zhiwu [1 ,2 ]
Guo, Fengqi [1 ,2 ]
Chen, Ying [1 ,2 ]
Sun, Peiwei [3 ]
机构：
[1] Cent S Univ, Sch Civil Engn, Changsha 410075, Hunan, Peoples R China
[2] Cent S Univ, Natl Engn Lab High Speed Railway Construct, Changsha 410075, Hunan, Peoples R China
[3] Shanghai Guokang United Tongji Bridge Architectur, Shanghai 20092, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2015年 / 98卷
基金：
中国国家自然科学基金;
关键词：
Temperature; Response; Concrete; Action; Fluctuation; Spectrum; HEAT-TRANSFER COEFFICIENT; RELATIVE-HUMIDITY; THERMAL-CONDUCTIVITY; MOISTURE TRANSFER; CLIMATE LOAD; COUPLED HEAT; PREDICTION; CORROSION; MODEL; WALL;
D O I：
10.1016/j.conbuildmat.2015.07.070
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Temperature variation in natural environment was conducted in order to predict the action spectrum of temperature under natural environment by substituting the model to the segmented fitting method. A novel method based on the measured data was proposed to solve the concrete thermal parameter. Results showed that the temperature variation of the concrete and natural environment periodically fluctuates, and the theoretical action and response spectra of the temperature agree well with the measured results. The presence or absence of sheltered condition has a significant effect on temperature response in concrete in terms of the amplitude, extreme value and arising time. (C) 2015 Published by Elsevier Ltd.
引用
收藏
页码：713 / 721
页数：9
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