| 大跨度预应力混凝土连续梁桥支座顶升监控技术研究 |
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| 引用本文： | 王俊辉.大跨度预应力混凝土连续梁桥支座顶升监控技术研究[J].城市道桥与防洪,2021(3):117-119. |
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| 作者姓名： | 王俊辉 |
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| 作者单位： | 中铁二十局集团第二工程有限公司,陕西西安710000 |
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| 摘 要： | 通过分析1座大跨度预应力混凝土连续梁顶升过程中梁体的受力状态,阐述了梁体顶升原理、梁体顶升过程中的施工控制原则及方法,并模拟计算顶升梁体以及顶升梁体过程中道钉和钢轨的安全性,提出了具有针对性的监测措施,为确保桥梁安全提供依据.
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| 关 键 词： | 高速铁路 连续梁 桥梁支座 梁体顶升 受力状态 监测措施 |
| 收稿时间： | 2020/5/22 0:00:00 |
Study on Monitoring Technology of Support Jacking of Long-span Prestressed Concrete Continuous Beam Bridge |
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| WANG Junhui.Study on Monitoring Technology of Support Jacking of Long-span Prestressed Concrete Continuous Beam Bridge[J].Urban Roads Bridges & Flood Control,2021(3):117-119. |
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| Authors: | WANG Junhui |
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| Abstract: | By analyzing the stress state of a long-span prestressed concrete continuous beam in the process of jacking, the principle of beam jacking, the construction control principle and method in the process of beam jacking are expounded, the safety of jacking beam, spike and rail is simulated and calculated, and the targeted monitoring measures are put forward so as to provide basis for ensuring bridge safety. |
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| Keywords: | high speed railway continuous beam bridge support beam jacking stress state monitoring measures |
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