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高吸水性树脂对低水胶比混凝土性能的影响

China Concrete and Cement Products(2013)

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Abstract
利用高吸水性树脂(SAP)引入数量不等的内养护水,研究了低水胶比混凝土强度、重量损失、电阻率和收缩的变化规律。结果表明,SAP的加入一定程度上降低了混凝土的抗压强度和劈裂抗拉强度,提高了混凝土的保水性,混凝土表面和内部的电阻率也有所下降,混凝土的自收缩大大降低,且混凝土的早期干缩也有所下降。
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Key words
Shrinkage,Strength,Electrical resistivity,Super absorbing polymer,Water retention,Concrete
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