The result shows the concrete rebounding value, compressing strength, tensile splitting strength, rupture strength and elastic modulus are reduced in different degree by adding recycled aggregates.

试验结果表明，随着再生骨料掺入量的增加，混凝土的回弹值、抗压强度、劈裂抗拉强度、抗折强度和弹性模量均有不同程度的降低。

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If only he could wrap teensy chisel tips into the threads of a screw, it could chip its way into a tight seat instead of compressing and cracking the concrete.

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