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《CONCRETE》 2000-01
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Study on Microcrack and Micro Construction of High Performance Concrete

Ba Hengjing\ Deng Hongwei\ Gao Xiaojian 〔  
? By the trial studies on two respects of macro properties and micro construction in this paper,we found that the main reasons of lowering of concrete durability is because of internal microcrack in high performance concrete.The use of superplasticizer,mineral admixture and air entrance agent can minutize pore construction,and improve durability of conerete greatly by pozzolanic effect and fill effect in pores. 〔
【CateGory Index】: TU528
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