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《Industrial Construction》 2013-S1
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Analysis of temperature stress in reinforced concrete strut under no external loads

Pan Hua Chu Weihong Dai Jiadong(Shanghai Geotechnical Investigation & Design Institute Co.Ltd,Shanghai 200438,China)  
A reinforced concrete strut under no external loads was exposed to the atmospheric environment.And automatic monitoring technology was used to collect the data of axial force and temperature.Based on the experimental data,the effect of different section position on temperature stress was studied,the temperature stress resistance ability of reinforcement stress meter of four different manufacturers was compared qualitatively,and the relationship between temperature stress and temperature difference was investigated.The results show that: a.temperature stress will be larger when temperature difference at the section position is larger,so the temperature stress at the section upper is the largest,while that at the section center take the second place,and that at the section bottom is the least;b.the reinforcement stress meter of NO.3 company has advantages in resistance ability of temperature stress,and the meter of NO.1 company slightly inferior to it;c.the relationship between temperature stress and temperature difference is not the simple linear relation.
【CateGory Index】: TU375
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