| 115m跨度钢筋混凝土拱结构施工质量控制 |
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| 作者单位： | 中铁六局太原铁建有限公司 山西太原030013 |
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| 摘 要： | 针对大跨度拱结构施工中涉及的施工段划分、施工缝留设、预拱度计算、结构预压、模板及支撑体系设计等技术问题,结合工程实践和现场应力应变监测分析,介绍了大跨度拱结构施工工艺和质量控制关键,提出了采用"免预压法"对于保证大跨度钢筋砼拱结构施工质量的成功经验和借鉴意义。
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| 关 键 词： | 拱结构 施工工艺 免预压 质量控制 |
Quality Control of 115m Span Steel Concrete Arch Structure Construction |
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| Authors: | Li Yinglong Pei Jian Wang Junlong |
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| Abstract: | According to technical problems related to large span arch construction such as construction section division, blank leaving between sections, pre-calculation of arch, pre-pressure of structure, model plate, and design of bearing system, combing with project practice and supervising analysis of stress strain, this paper introduces technique control, provides successful experience and significance of ensuring quality of large span steel concrete arch structure construction by relieving pre-pressure. |
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| Keywords: | arch structure construction technique relieve pre-pressure quality control |
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