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A series of tests were conducted to study the effect of using fly ash with constant cement content with poor quality recycle aggregate, which were only clushed certain grain degree level. The strength... of concrete with recycle aggregate decrease. So the author tried to improve the strength of concrete with recycle aggregate by adding fly ash with constant cement content. The test piece were producted under unit quantity of water 185kg/m3 and unit quantity of cement 285kg/m3. As a result, compressive strength of recycle aggregate concrete increased by fly ash at constant cement content. In addition, the strength of recycle aggregate concrete is larger than normal concrete. In this experiment, the strain at maximum strength stress increased, with quietness elasticity coefficient remaining at constant value.続きを見る
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Mendeley出力
jaud010_p111