• modulus of elasticity of two-stage (preplaced aggregate) concrete

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1391/01/01
    • تاریخ انتشار در تی پی بین: 1391/01/01
    • تعداد بازدید: 564
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     two-stage concrete is characterised by a higher proportion of stone aggregate therefore the variation in aggregate content influences significantly its mechanical properties. as the stone particles are in close contact the applied load is transmitted from particle to particle while the grout is simply held in the interstices. thus, the mechanical characteristics of the two-stage concrete in failure conditions are dissimilar from the ordinary ones. so far there has been no background information on evaluating the elastic modulus of the two-stage concrete. this paper presents the results of experimental testing of two types of stone aggregate and three different mix proportions of grout. on the basis of these results a relationship between the elastic modulus and the compressive strength of two-stage concrete is statistically elaborated.

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