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跨高铁公路桥连续梁拆除施工方案分析

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既有公路桥连续梁上跨高速铁路,对该连续梁的拆除施工方案进行分析.分别针对边跨切割履带吊整体拆除、整体顶推、跨中切割后顶推拆除三个施工方案进行研究.分析各方案中连续梁的加固措施、内力、施工风险等因素,为该工程的安全实施提供优化建议.
Analysis on Construction Schemes for Demolition of Cross-Railway Continuous Beam of Highway Bridges
The existing continuous beam crosses high-speed railways.Analyzing the demolition construction plans for continuous beams.Studying the following three construction plans.The first scheme is to cut the beam at the edge span and then use a crawler crane to remove the mid span beam.The second scheme is to directly move the entire beam.The third scheme is to cut the beam at the mid span and then push the beam forward.Analyzing the reinforcement measures,internal forces,construction risks,and other factors of continuous beams in each scheme.Providing optimization suggestions for the safe implementation of the project.

demolition of continuous beamsanalyzing construction schemesspanning across the high-speed railway

阮海斌、陈兵兵

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中国铁路上海局集团有限公司杭州铁路枢纽工程建设指挥部,浙江杭州

中铁三局集团第二工程有限公司,河北 石家庄

连续梁拆除 施工方案分析 上跨高铁

2024

科学技术创新
黑龙江省科普事业中心

科学技术创新

影响因子:0.842
ISSN:1673-1328
年,卷(期):2024.(11)
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