Study on preparation of super-fine sand of low strength concrete
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    Abstract:

    In view of the rich resources of fine sand in Handan area,the contrast test were carried out by using different water-binder ratio( 0.8,0.7,0.6,0.7) and the influence of fine sand ratio on low strength concrete workability and compressive strength of influence were studied.A lot of experimental results showed that the fine sand influenced on concrete workability,especially relatively low water-binder concrete influence was greater; Water-binder ratio remains unchanged,28 d compressive strength of concrete increased with the of sand ratio; When the sand ratio increased to a certain range of values,28 d compressive strength of concrete decreased with the increase of sand ratio; Fine sand conforming to the requirements concrete of the workability and strength can be formulated through Choosing the reasonable sand rate.

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ZHANG Cui, HE Jin-yun, LV Ru-chun. Study on preparation of super-fine sand of low strength concrete[J].,2014,31(1):6-8

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History
  • Received:October 21,2013
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  • Online: January 12,2015
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