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《Shanxi Architecture》 2017-08
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Rational application of concrete aggregate mixing proportion and admixture

Jia Wen;Shanxi Yuanfang Highway & Bridge Group Corporation 1st Branch Company;  
Combining with Beijing-Urumqi national highway subgrade engineering example,the paper detects raw material indicators needing in concrete preparation of the detection construction process,describes concrete mixing proportion design scheme from aspects of coarse aggregate mixing proportion,water-binder ratio,water volume and sandy ratio,analyzes the impact of coarse aggregate and admixture upon concrete strength,and finally points out that: rationally designing mixing proportion can reduce cost and meet concrete working performance as well.
【CateGory Index】: TU528
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