摘要:

由于地下室多为超长混凝土结构，为保障其防水性能，施工时无需加设伸缩缝，由此加剧了混凝土裂缝控制难度。一般情况下，超长地下室顶板无梁楼盖经常出现裂缝问题。基于此，以某超长地下室顶板无梁楼盖为实例进行研究，对混凝土裂缝产生的原因进行分析，提出了针对性的预防措施。

关键词: 无梁楼盖 / 裂缝控制 / 预防措施

Abstract:

since the basement is mostly super long concrete structure , there is  no need to add expansion jointsduring construction to ensure its waterproof performance , which aggravates the difficulty of concrete crack control. In general , the problem of cracks often occurs in the beamless floor of the overlong basement roof. Based on this and taking the beamless floor of an ultra-long basement roof as an example , the causes of con- crete cracks are analyzed , and the corresponding preventive measures are put forward.

Keywords: beamless floor / crack control / preventive measures