逆作法土方开挖的施工过程及措施  

Construction Process and Measures of Earth Excavation by Reverse Construction Method

作　　者：曹中海 CAO Zhonghai(Shanghai Construction No.4(Group)Co.,Ltd.,Shanghai 201103,China)

机构地区：[1]上海建工四建集团有限公司,上海201103

出　　处：《建筑施工》2021年第8期1445-1447,共3页Building Construction

摘　　要：针对逆作法土方开挖过程中,取土口的取土方式会限制土方开挖效率的问题,结合具体的项目应用实例,对逆作法土方开挖过程中现场采取的措施和具体施工挖土方法进行了分析。通过梳理取土口的挖土效率和布置原则、土方开挖分块、土方开挖及翻土、基坑安全和降水措施等方面的内容,总结了一套施工技术,以期为类似工程提供参考。In the process of earth excavation by reverse construction method,the way of taking soil at the soil intake will limit the efficiency of earth excavation.Combined with a specific project application example,the onsite measures and specific construction excavation methods in the process of earth excavation by reverse construction method are analyzed.A set of construction technology is summarized by combing the excavation efficiency and layout principle of the soil intake,earthwork excavation and blocking,earthwork excavation and turning,foundation pit safety and dewatering measures,so as to provide reference for similar projects.

关 键 词：逆作法 土方开挖 翻土 交通组织 

分 类 号：TU753[建筑科学—建筑技术科学]