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水泥需水性较大导致混凝土产生裂缝

Mahaiqi,Yangjiujun,Wangbaoshun

STANDARDIZATION AND QUALITY MANAGEMENT OF BUILDING MATERIALS（2005）

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Abstract
在水泥检验过程中,笔者不时会接到一些生产企业和施工单位(用户)送来的水泥检验样品(有争议的委托检验或者仲裁检验),要求对水泥性能进行检验.争议的原因是在施工后,砂浆抹面或者混凝土出现裂纹或裂缝,怀疑水泥安定性不合格.受理样品后,我们按照GB/T 17671-1999、GB/T 1346-2001进行水泥强度和沸煮安定性检验,其检验结果多数都合格,而且强度都比较高.
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