2016年10月下 施工技术 第45卷第20期 CONSTRUCTION TECHNOLOGY 71 D0I:10.7672/5j52016200071 大型动臂内爬式塔式起重机附墙节点处墙体 受力特性试验研究 张晓,杨建江1,陈星2 (1.天津大学建筑工程学院,天津300072;2.中建二局西南分公司,重庆400020) [摘要]在超高层建筑施工中,大型动臂内爬式塔式起重机的安全性和稳定性十分重要,塔式起重机支撑系统对附 墙节点处墙体的影响更是其中亟需研究的课题.以实际工程为依托,通过现场试验测试,针对附墙节点处墙体在 塔式起重机作用下的受力特性进行研究.在对试验数据进行回归分析的基础上,得到埋件附近墙体有效影响宽度 与重物起升系数等参数. [关键词]高层建筑;钢结构;内爬式塔式起重机;附墙节点;支撑 [中图分类号]TU393.2 [文献标识码]A [文章编号]1002-8498(2016)20-0071-04 Study on Mechanical Properties of Attached Wall Affected by Large Boom Internal Climbing Tower Crane Zhang Xiao' Yang Jianjiang' Chen Xing (1.School of Ciril Engineering Tianjin University Tianjin 300072 China; 2.Branch of China Construction Second Engineering Bureau Co.Ltd.Chongging 400020 China) Abstract:The safety and stability of large boom internal climbing tower crane are very important in the construction of super high-rise buildings and it is urgent to solve the problem that how the tower crane' s supporting system affects the wall.This paper takes a project as the background the field experiments were designed to collect data by field test.According to the experiments some mechanical properties of attached wall have been researched such as the effective width of attachment wall and lifting coefficients. Key words:tall buildings;steel structures;internal climbing tower cranes;attached wall nodes;supports 0引言 长沙某超高层建筑建筑面积为1010462m2 主 目前.在超高层建筑施工中,大型动臂内爬式体塔楼设计高度452m 地上92层,采用内部核心筒 塔式起重机已经成为垂直运输设备的主流选择, 与外部巨型框架组合的结构形式,其中核心筒内底 由于自重和额定起重力矩均较大,塔式起重机对附层采用钢板混凝土组合剪力墙结构,外框柱...
大型动臂内爬式塔式起重机附墙节点处墙体受力特性试验研究.pdf
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