本文介绍在地下车库超长结构自防水施工中所采用的膨胀剂及施工技术措施,通过对防水节点的精细处理,合理利用膨胀剂所产生的膨胀,最终达到了良好的防水效果,地下车库施工顺利完成,未发现渗漏点。 This paper introduces the expansive agent used in self-waterproof construction of underground garages and the technical measures of construction. Through the fine treatment of waterproof joints, the expansive agents are used reasonably to make the expansion. Finally, a good waterproofing effect is achieved. The underground garage construction Successful completion of the leak was not found.