摘要
日照机场航站楼钢屋盖跨度大,构件类型多,结构形式复杂,整体为倒三角形桁架结构形式,局部采用型钢梁柱结构。钢屋盖结构安装采用在厂内加工制作基本构件并拼装为运输分段,然后在现场拼装为吊装单元进行吊装,吊装单元高空对接精度要求高,施工难度大。基于工程特点,对施工难点进行分析,提出了相应的解决措施,介绍了拼装胎架体系和临时支撑体系的合理设置、钢屋盖结构吊装方案的合理选取以及桁架和钢梁分段拼装、分段吊装的施工技术措施。
Steel roof of the Rizhao airport terminal building,with big span,component types,complicated structure form,is an inverted triangle truss structure form in a whole,the steel beam structure is used in some parts. Installation of steel roof structure adopted in factory processing production and assembly of basic building blocks for the transportation segment,and then assembled at the scene of the lifting unit for hoisting. The lifting unit altitude docking accuracy requirement is high,and the construction is difficult.Based on the engineering characteristics,this paper analyzes the construction difficulties,puts forward the corresponding solution measures,and introduces the assembling jig system and reasonable setting of temporary supporting system,lifting scheme of the steel roof structure reasonable selection and segmental girder and truss subsection hoisting construction technical measures.
出处
《施工技术》
CAS
北大核心
2017年第8期94-97,122,共5页
Construction Technology
