明挖隧道拱形现浇结构模架支撑体系设计、施工工艺探析  

EXPLORATION OF DESIGN,CONSTRUCTION AND PROCESS OF FORMWORK SUPPORT SYSTEM FOR OPEN EXCAVATION TUNNEL ARCH CAST-IN-PLACE STRUCTURE

作　　者：倪登云 王尚峥 梅迎东 翟晓峰 陈钰 霍昊杰 NI Deng-yun;WANG Shang-zheng;MEI Ying-dong;ZHAI Xiao-feng;CHEN Yu;HUO Hao-jie(BCEG International Construction Group Co.,Ltd.,100054,Beijing,China)

机构地区：[1]北京国际建设集团有限公司,北京100054

出　　处：《建筑技术》2022年第6期686-690,共5页Architecture Technology

摘　　要：从明挖拱形隧道、现浇混凝土钢木组合桁架支撑、分仓硬拼缝整体安装模架体系的设计、计算、加工节点、施工安装等多个环节的安全技术措施和质量精度要求进行了阐述,剖析了拱形隧道现浇混凝土模架及支撑体系施工时稳定性的监测和调整措施,并分析了其社会效益和经济效益,为今后大跨度、超长及类似项目拱形结构模架体系设计、施工提供有益参考。This paper introduced the safety and technical measures and quality precision requirements in design,calculation,processing node and construction installation of open excavation arch tunnel,cast-in-place concrete steel-timber composite truss support and integral installation formwork system with hard bay seam,and discussed the stability monitoring and adjustment measures for construction of arch tunnel cast-in-place concrete formwork and support system.Related social and economic benefits were analyzed,providing valuable references for future similar wide-span and super-long arch structure formwork system design and construction.

关 键 词：明挖 拱形隧道 钢木组合桁架支撑 分仓硬拼缝 移动 

分 类 号：TU753[建筑科学—建筑技术科学]