| 大跨度钢桁架模板在地下硐室中的研究与应用 |
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| 引用本文： | 朱爱山,郭红里,周慧鹏,费益滨.大跨度钢桁架模板在地下硐室中的研究与应用[J].探矿工程,2020,47(12):66-71. |
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| 作者姓名： | 朱爱山 郭红里 周慧鹏 费益滨 |
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| 作者单位： | 浙江省隧道工程集团有限公司，浙江 杭州 310030,浙江省隧道工程集团有限公司，浙江 杭州 310030,浙江省隧道工程集团有限公司，浙江 杭州 310030,浙江省隧道工程集团有限公司，浙江 杭州 310030 |
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| 摘 要： | 以江苏省某人防坑道工程为背景，通过实际工程应用，结合安全性、经济性和可操作性综合比较，研究融合了钢模台车、承重脚手架、钢桁架和定型钢模等施工方法，形成硐室大跨度钢桁架模板施工技术。对该系统在地下硐室中的施工做了技术研究和应用探讨，重点介绍了工艺原理、模架设计及受力分析、工程应用等。该施工方法能够提高工效，节省成本，提高施工质量。
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| 关 键 词： | 地下大断面硐室 钢桁架 模板设计 脚手架 模板受力计算 人防硐室 |
| 收稿时间： | 2020/5/28 0:00:00 |
| 修稿时间： | 2020/9/23 0:00:00 |
Application of the large-span steel truss formwork systemin underground chamber excavation |
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| ZHU Aishan,GUO Hongli,ZHOU Huipeng and FEI Yibin.Application of the large-span steel truss formwork systemin underground chamber excavation[J].Exploration Engineering(Drilling & Tunneling),2020,47(12):66-71. |
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| Authors: | ZHU Aishan GUO Hongli ZHOU Huipeng and FEI Yibin |
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| Institution: | Zhejiang Tunnel Engineering Group Co., Ltd., Hangzhou Zhejiang 310030, China,Zhejiang Tunnel Engineering Group Co., Ltd., Hangzhou Zhejiang 310030, China,Zhejiang Tunnel Engineering Group Co., Ltd., Hangzhou Zhejiang 310030, China,Zhejiang Tunnel Engineering Group Co., Ltd., Hangzhou Zhejiang 310030, China |
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| Abstract: | Taking a civil air defense tunnel project in Jiangsu Province as the background, a construction technology with the large span steel truss formwork for chamber excavation has been developed by study and integration of the steel formwork trolley, load-bearing scaffold, steel truss and steel formwork through field use and comprehensive comparison of safety, economy and maneuverability, the construction methods. Technical study and application of the system in underground chamber excavation is discussed, with emphasis on the process principle, formwork design and stress analysis, engineering application, etc. The construction method can improve efficiency, save cost and improve construction quality. |
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| Keywords: | large cross-section underground chamber steel truss formwork design scaffold force calculation of formwork civil air defense chamber |
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