预应力鱼腹梁钢支撑在深基坑围护中的应用
摘要:装配式预应力鱼腹梁钢结构支撑技术是基于预应力原理的一种新型的、先进的、绿色环保的深基坑的内支撑结构体系。结合2个装配式预应力鱼腹梁钢结构支撑体系在软土深基坑中应用的工程实例,介绍了基坑围护方案及基坑开挖效果,体现了装配式预应力鱼腹梁钢结构支撑技术具有绿色环保、经济性好、施工周期短等优点,具有较好的综合效益,同时重点探讨了该支撑技术在深厚软土中存在的问题,可供本地区同类工程设计与施工参考。
Abstract:Support of prefabricated prestressed fish-bellied beam based on the prestressing principle is a new advanced environmental friendly internal support structure system of deep foundation pit. Two application examples of this steel structure support system in deep foundation pit in soft soil are introduced, including pit enclosure schemes and excavation results. The advantages of this support technology are summarized, including environmental friendliness, economical efficiency, short construction period, with comprehensive benefits. The problems of this support structure in deep soft soil are also discussed. Reference for the similar engineering design and construction in the local area are provided.
中文标题：
预应力鱼腹梁钢支撑在深基坑围护中的应用
Application of Prestressed Fish-bellied Beam Steel Support in Deep Foundation Pit Enclosure
作者：
杜常春,杜治国,郭安
Du Changchun,Du Zhiguo,Guo An
作者简介:杜常春,男,1974年生,汉族,四川广安人,高级工程师,注册土木工程师(岩土),主要从事岩土工程勘察、设计及咨询工作。E-mail:180839732@qq.com
通讯地址：
浙江省工程勘察设计院集团有限公司, 浙江宁波 315012
ZhejiangEngineeringSurveyandDesignInstituteGroupCo.,Ltd.,Ningbo315012,Zhejiang,China
中图分类号:TU472.3
doi:10.3969/j.issn.1007-2993.2020.05.002
出版物：岩土工程技术
收稿日期:2019-09-23
网络出版日期:2021-07-06
关键词:深基坑,软土地基,装配式预应力鱼腹梁钢结构支撑,绿色环保
Key words:deep foundation pit,soft-clay foundation,steel support of prefabricated prestressed fish-bellied beam,green and environmental protection
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