Effect of Temperature on Pore Structure of Rubber Cement Paste

【Author】

Haibo Zhang;Haitao Shang;Xuemao Guan;

【Abstract】

<正>Pore structure has important influence on the durability of concrete.In this paper,the water absorption kinetics method was used to study the effect of temperature(20℃,100oC,150℃,200℃,250℃) on the pore structure of rubber cement paste.For blank cement paste(CP),the maximum water absorption increases with the rise of temperature.However,for rubber cement paste(RCP),the water absorption increases when the temperatures rise from 20℃to 150℃and then decreases when the temperatures rise from 150℃to 250℃.Under the same temperature,the average pore size of RCP is smaller than that of CP.The pore size uniformity of RCP is larger than that of CP.

【Keywords】

Rubber cement paste;;Pore structure;;Temperature;;Water absorption kinetics

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