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预应力混凝土斜拉桁架桥施工监控

Construction Control of Prestressed Concrete Chord-Stayed Truss Bridge
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摘要 小溪塔大桥位于宜昌市夷陵区,其主桥为预应力混凝土斜拉桁架结构,中跨达到173 m。本文主要介绍该桥施工监控的方法和内容。通过对变形、应力等参数的测试分析,提出有效的施工控制措施,使施工过程安全可控并达到合理的成桥状态。小溪塔大桥已经竣工通车,本文阐述的一些经验和方法,可以为今后同类型桥梁的施工控制提供借鉴。 This paper focus on construction controlling of Xiaoxita Bridge, which is a PC chord-stayed truss bridge. The Xiaoxita Bridge located in Yiling District Yichang City and the main span reached 173 meters. Based on the mesuring deformation and stress during the construction, the researchers presented reasonable control command to make sure that the construction is safe and the status of the bridge meet the design requirements. The Xiaoxita Bridge had opened to traffic. The experience of the controlling works can provide a reference.
出处 《华中科技大学学报(城市科学版)》 CAS 2009年第3期4-8,共5页 Journal of Huazhong University of Science and Technology
关键词 斜拉桁架桥 全悬臂现浇 施工方法 施工监控 PC chord-stayed truss bridge cantilever cast-in-place construction method construction control
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参考文献6

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