混凝土膨胀剂使用中存在的问题及解决措施

混凝土膨胀剂具有补偿混凝土干燥收缩的效果,但在实际地下室防水混凝土工程中使用效果不甚理想,存在掺加膨胀剂后地下室底板和外墙仍然出现混凝土开裂渗漏的现象。本文从设计和施工两个方面提出了全面、有效的解决措施。

The concrete expansive agent can compensate the drying shrinkage of concrete. However, its application in waterproofing concrete of basement projects is ineffective, there being the cracking and leaking of basements and external walls after using the agent. The paper puts forward the comprehensive and effective solutions from design and construction.