1 上海市卢湾区 108地块项目大型超深基坑 降水、挖土和支撑施工技术 摘要：本文探讨了在软土地质情况下，通过某项目实例，介绍了超深基坑施工技术。 主要包括周密设计降水方案，制定详细的挖土方案和支撑方案等。 关键词：基坑 降水 挖土 支撑 Abstract: The technical features for construction of extra deep foundation pit with some treatment measures were introduced in combination with the foundation engineering of a building, like dewatering, excavation and bracing. Key word: Foundation pit, Dewatering, Excavation,