综合交通枢纽单层网壳结构钢屋盖施工关键技术  

Key Technology for the Construction of Single-layer Reticulated Shell Structure Steel Roof for Comprehensive Transportation Hub

作　　者：李操 辛金雨 曾昭政 许宇航 LI Cao;XIN Jinyu;ZENG Zhaozheng;XU Yuhang(Guangdong Provincial Academy of Building Research Group Co.,Ltd.Guangzhou 510500,China;China Railway Construction Engineering Group No.5 Construction Co.,Ltd.Guangzhou 511400,China)

机构地区：[1]广东省建筑科学研究院集团股份有限公司,广州510500 [2]中铁建工集团第五建设有限公司,广州511400

出　　处：《广东土木与建筑》2024年第11期92-96,共5页Guangdong Architecture Civil Engineering

摘　　要：针对广州某综合交通枢纽项目单层网壳结构钢屋盖所具有的造型独特,杆件及节点空间方位变化大、数量多、高空作业工程量大等施工重难点,项目通过采用“地面拼装+搭设支撑架+分片吊装”的整体施工思路,即根据现场起重机械吊重性能,将屋盖桁架及网壳进行合理分段(片)?按照分段(片)单元将所有杆件在加工厂进行散件加工制作,并运输至现场?在混凝土结构楼面上搭设临时支撑架,按照分段(片)单元进行拼装?采用现场塔吊、局部汽车吊配合,将钢屋盖分片吊装就位的安装方案,从工期、质量和安全各方面确保项目顺利完工,取得了良好的经济与社会效益。In view of the unique shape of the single-layer reticulated shell structure steel roof of a comprehensive transportation hub project in Guangzhou,the large spatial orientation changes of rods and nodes,the large number,and the large amount of aerial work engineering,the project adopts the overall construction idea of"ground assembly+erection support frame+slicing hoisting",that is,according to the lifting performance of the on-site lifting machinery,the roof truss and reticulated shell are reasonably segmented(pieces),and all rods are processed and made in the processing plant according to➝the segmented(piece)units.And transported to the site➝a temporary support frame is erected on the concrete structure floor,assembled according to the segmented(piece)unit➝and the on-site tower crane and local truck crane are used to cooperate with the installation scheme of the steel roof to be hoisted in place,which ensures the smooth completion of the project from the aspects of construction period,quality and safety,and has achieved good economic and social benefits.

关 键 词：钢屋盖 屋盖施工 网壳结构 分段(块)安装 

分 类 号：TU758.15[建筑科学—建筑技术科学]