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Experimental study on interfacial strength of the high performance recycled aggregate concrete

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成果类型:
期刊论文
作者:
Du, T.;Wang, W.H.;Lin, H.L.;Liu, Z.X.;Liu, J.
通讯作者:
Du, T.(tingdu@126.com)
作者机构:
[Du, T.] School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, 430074, Wuhan, China
[Liu, J.] Department of Civil and Environmental Engineering, Wuhan Engineering Institute, 430080, Wuhan, China
[Liu, Z.X.; Lin, H.L.] Commercial Concrete Company of No. 3 Construction Bureau of China, 430070, Wuhan, China
[Wang, W.H.; Du, T.] School of Civil Engineering, Hunan City College, 413000, Yiyang, China
语种:
英文
期刊:
Proceedings of the 12th International Conference on Engineering, Science, Construction, and Operations in Challenging Environments - Earth and Space 2010
年:
2010
页码:
2821-2828
机构署名:
本校为其他机构
院系归属:
土木工程学院
摘要:
There are an Interfacial Transition Zone(ITZ) between the recycled aggregate and the new mortar matrix body. The ITZ is still the weakest position in the recycled aggregate concrete. In this paper, the microhardness of the ITZ and the interface between the old cement paste of recycled aggregate and new motar matrix body of recycled aggregate concrete in different strength grade are tested by using digital microhardness meter. The testing results indicate the microhardness value of the recycled aggregate is much higher than that of the ITZ of the recycled aggregate concrete and the microhardnes...

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