“先封顶,后结底”全逆作法超挖梁板结构轮扣式钢管支模体系施工技术  

作　　者：胡昊璋 周建发 袁昊 陈淼权 王江营 

机构地区：[1]湖南建工集团有限公司,长沙410004

出　　处：《科技创新与应用》2023年第17期162-165,共4页Technology Innovation and Application

基　　金：湖南省自然科学基金(2015JJ4106);湖南建工集团科技计划项目(JGJTK2019-11、JGJTK2019-14、JGJTK2019-15)。

摘　　要：随着当今城市地上空间的开发程度越来越高,开发成本的提升使得城市地下空间的开发愈发重要,全逆作法技术作为解决当前城市地下空间开发难题的重要技术,其梁板结构支模体系、每层暗挖高度、水平通风等问题是全逆作法地下室施工阶段的重难点。为解决暗挖区间梁板混凝土外观质量,暗挖设备碰撞梁板结构,水平通风问题,湖南建工集团有限公司创新提出“采用LG180立杆模数承插型轮扣式钢管支架超挖支模”技术,该技术实用、安全可靠、操作性强,有效解决当前所遇到问题的同时兼具经济性。With the development of urban aboveground space getting higher and higher,the increase of development cost makes the development of urban underground space more and more important.Reverse method technology is an important technology to solve the current difficult problems in the development of urban underground space.The beam-slab structure formwork system,the height of each floor and horizontal ventilation are the important and difficult points in the construction stage of reverse basement.In order to solve the problem of concrete appearance quality of beam and slab in the section of underground excavation,Hunan Construction Engineering Group Co.,Ltd.innovatively put forward the technology of"adopting LG180 vertical rod module and socket type wheel-buckle steel pipe bracket over-excavation support formwork",which is practical,reliable,operable,and economical,while effective in solving the current problems.

关 键 词：全逆作法 轮扣式钢管支模体系 承插型 超挖 满堂搭设 

分 类 号：TU43[建筑科学—岩土工程]