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双悬臂梁桥试验检测及安全技术评价
引用本文:金龙,曾兆权. 双悬臂梁桥试验检测及安全技术评价[J]. 城市道桥与防洪, 2012, 0(4): 99-101
作者姓名:金龙  曾兆权
作者单位:四平公路工程质量监督站,吉林四平,136000;松原市公路管理处,吉林松原,138000
摘    要:
双悬臂梁桥为我国在上世纪60年代至90年代期间为解决桥梁跨度不足而使用的一种结构。结构主要以锚固孔和挂梁孔组成。该种桥梁的病害主要体现在牛腿的受力薄弱位置的抗剪能力不足。该文对位于吉林省延边州G302国道上的嘎呀河大桥的试验检测过程作了介绍,以期为今后此类桥梁评定作为借鉴。

关 键 词:双悬臂  锚固梁  挂梁  检测  荷载试验  应变  挠度  图们市

Evaluation on Experimental Inspection Testing and Security Technology of Double Cantilever Beam Bridge
Jin Long,Zeng Zhaoquan. Evaluation on Experimental Inspection Testing and Security Technology of Double Cantilever Beam Bridge[J]. Urban Roads Bridges & Flood Control, 2012, 0(4): 99-101
Authors:Jin Long  Zeng Zhaoquan
Affiliation:Jin Long,Zeng Zhaoquan
Abstract:
The double-cantilever beam bridge was a structure used from the 1960s to the 1990s to solve the shortage of bridge span in China.The structure is mainly composed of anchoring hole and hanging-beam hole.The fault of this bridge mainly embodies the shortage of shear capacity at the weak stress position of bracket.The article introduces the experimental inspection testing process of Gaah River Bridge located at G302 National Highway in Jilin Province Yanbian Korean Autonomous Prefecture so as to provide the reference for the assessment of the similar bridges in future.
Keywords:double-cantilever  anchoring beam  hanging beam  inspection testing  load test  strain  deflection  Tumen City
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