施工技术 2014年7月下 28 CONSTRUCTION TECHNOLOGY 第43卷第14期 D0I:10.7672/sgjs2014140028 绍兴山水馆弦支穹顶结构施工技术* 郭正兴1 2，田伟，罗斌12 (1.东南大学混凝土及预应力混凝土结构教育部重点实验室，江苏南京210096； 2.东南大学国家预应力工程技术研究中心，江苏南京210096) [摘要]绍兴山水馆馆为钢桁架弦支穹顶组合网壳结构，通过对中心弦支弯顶结构的施工过程进行张拉分析，提 出了逐环分批次循环张拉径向钢拉杆的施工方案，在结构中建立设计预应力的同时可以有效控制结构形态，并且 减少了张拉设备的投入.通过对铸钢索夹节点进行抗滑移模型试验，得出索夹抗滑承载力为350kN 大于节点最 大不平衡力200kN 可以满足工程要求. [关键词]弦支穹顶；预应力；索夹；抗滑移；施工技术 [中图分类号]TU758 [文献标识码]A [文章编号]1002-8498(2014)14-0028-05 Construction of Suspendome System of Shanshui Pavilions in Shaoxing Guo Zhengxing.2 Tian Wei' Luo Bin.2 (1.The Key Laboratory of C&PC Structures of the Ministry of Education Southeast University Nanjing Jiangsu 210096 China; 2.National Prestress Engineering Research Center Southeast University Nanjing Jiangsu 210096 China) Abstract:C pavilion of Shanshui Pavilions in Shaoxing is a posite structure of suspendome with reticulated shell and reinforced truss.Taking into account the tension analysis of the center suspendome due to the construction process this paper has put forward a method of tensioning the radial steel rod by ring cycle in batches to stretch the cable-strut system of suspendome.It can establish the designed prestress accurately control the morphology effectively and reduce the investment of tensioning device. Through the cable clips model test for anti-slip the carrying capacity of anti-sliding of cable clips is 350kN which is greater than the maximum node unbalanced force 200kN that can meet the engineering requirements. Key words:s...
绍兴山水馆弦支穹顶结构施工技术.pdf
