重型大截面桁架拼装施工技术在电子厂房大跨度钢结构屋面中的应用  

The Application of Assembly Construction Technology for Heavy Duty Truss with Large Section in Large Span Steel Structure Roof of Electronic Factory

作　　者：蔡瑞琦 CAI Rui-qi(Zhongxin Nanfang Integrated Circuit Manufacturing Co.Ltd.,Shanghai 201203,China)

机构地区：[1]中芯南方集成电路制造有限公司

出　　处：《工程建设与设计》2019年第12期184-185,共2页Construction & Design for Engineering

摘　　要：中芯国际12inSN1和SN2厂房建设项目钢结构工程屋架为大跨度空间结构,根据其自身特点,对钢结构工程的地面拼装、吊装、高空拼接工艺进行研究。论文从桁架的分段、吊装机械的选用、吊点的合理设计、胎架钢凳的设计与布置、桁架脱胎及短驳、高空拼接顺序、高强螺栓施工等方面,阐述了重型大截面桁架拼装、吊装拼接的相关施工技术。The steel structure roof truss of Zhongxin International 12 inch SN1 and SN2 workshop construction project is a long-span space structure.According to its characteristics,the ground assembly,hoisting and high-altitude splicing technology of steel structure engineering are studied.In this paper,the construction technology of heavy-duty truss with large cross-section is expounded from the aspects of truss segmentation,selection of lifting machinery,rational design of lifting points,design and layout of steel benches,truss bodiless stripping and short barge,high-altitude splicing sequence and construction of high-strength bolts.

关 键 词：吊装 整体卧拼 高空对接 滚装施工 

分 类 号：TU391[建筑科学—结构工程]