2012年12月下 施工技术 第41卷第379期 CONSTRUCTION TECHNOLOGY 93 某艺术楼型钢桁架大跨度屋架施工技术 郑永康 (南昌大学建筑工程学院，江西南昌330031) [摘要]介绍了某艺术楼工程45m跨型钢桁架屋架（屋顶标高为29.57m和39.66m)的施工技术和施工方法.其安 装方案是：高空拼装平台滑移粱安装、轨道铺设→纵桁架的吊装、校正→横桁架的安装固定→屋面支撑的安装一→ 屋面次梁的安装→逐步滑移→应力消除→就位卸载.已拼装好的桁架在端头各采用1台7150型履带式起重机吊 装至高空平台上.屋面桁架在高空平台组装完2榻后，即2组桁架组成一个滑移单元，然后逐步累积滑移，如此反 复，直至全部桁架滑移完成. [关键词]钢结构；安装；桁架；大跨空间结构；施工技术 [中图分类号]TU758.1 [文献标识码]A [文章编号]1002-8498(2012)24-0093-03 Construction Technology of Art Building with Large-span Steel Truss Roof Zheng Yongkang School of Architectural Engineering Nanchang University Nanchang Jiangxi 330031 China) Abstract:The construction scheme and technology of a art building with 45m-span steel truss roof roof elevation is 29.57m and 39.66m respectively is given out.Its installation scheme is:firstly assembling the high platform installing the sliding beam and laying the rail.Secondly lifting and checking the longitudinal truss.Thirdly installing and fixing the transverse truss.Fourthly installing the roof support and its secondly beam.Finally sliding the truss by steps eliminating member stress and gradually unloading.Already assembled truss is lift to high platform by two 7150 type crawler cranes in the two ends.Two groups truss are assembled to a slip unit which gradually slides until to finish all truss sliding. Key words:steel structures;installation;truss;large-span spatial structure;construction 1工程概况 某艺术楼工程位于江西省南昌市内，包括： 8 d00~0-及10-~02轴，长63m 跨度 45m.屋架为型钢桁架式，上、下弦和腹杆均为H型 8 限众理 命部分 钢，单棍最大质量为27.7t 其中观众厅(0-0~ ...
某艺术楼型钢桁架大跨度屋架施工技术.pdf
