[1]曾宁烨,丁嘉杰,强斌.高速铁路大跨度钢盖梁栓接门式墩设计研究[J].高速铁路技术,2023,14(06):89-93.[doi:10.12098/j.issn.1674-8247.2023.06.017]
　ZENG Ningye,DING Jiajie,QIANG Bin.A Study on the Design of Portal Pier Bolted with Large-span Steel Capping Beam for High-speed Railway[J].HIGH SPEED RAILWAY TECHNOLOGY,2023,14(06):89-93.[doi:10.12098/j.issn.1674-8247.2023.06.017]
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高速铁路大跨度钢盖梁栓接门式墩设计研究()
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《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]

卷:
14卷
期数:
2023年06期
页码:
89-93
栏目:
勘察设计
出版日期:
2023-12-30

文章信息/Info

Title:
A Study on the Design of Portal Pier Bolted with Large-span Steel Capping Beam for High-speed Railway
文章编号:
1674-8247（2023）06-0089-05
作者:
曾宁烨1; 丁嘉杰1; 强斌2
1.中铁二院集团工程有限责任公司，成都 610031;2.西南交通大学，成都 610031
Author(s):
ZENG Ningye1; DING Jiajie1; QIANG Bin2
1.China Railway Eryuan Engineering Group Co. ， Ltd. ，Chengdu 610031 ，China;2.Southwest Jiaotong University ，Chengdu 610031 ，China
关键词:
高速铁路; 大跨度钢盖梁; 门式墩; 栓接; 结构尺寸设计
Keywords:
high-speed railway; long-span steel capping beam; portal pier; bolting; structural size design
分类号:
U441
DOI:
10.12098/j.issn.1674-8247.2023.06.017
文献标志码:
A
摘要:
高速铁路与既有工程小角度交叉时，如何减小对既有工程，尤其是运营铁路的影响，避免超大跨度梁式结构建造是亟需解决的问题，钢盖梁门式墩上架标准简支梁不失为一种经济合理的解决方案。本文以某新建高速铁路大跨度钢盖梁栓接门式墩为背景，归纳了钢盖梁门式墩的结构形式、计算要点、设计时需考虑的关键因素，基于MIDAS计算结果验证了墩梁栓接大跨度钢盖梁门式墩的设计参数的取值合理性。研究结果表明：（1）钢盖梁门式墩为高速铁路小角度跨越既有工程提供了经济合理的选择；（2）门式墩钢盖梁、钢柱脚及整体结构的计算结果，均符合规范要求，设计参数合理。
Abstract:
When a high-speed railway crosses an existing project at a small angle，one pressing issue is how to minimize the impact on the existing project，especially the operating railway，and avoid the construction of large-span beam-type structures. It is an economical and reasonable solution to erect standard simply supported beams on portal piers bolted with steel capping beams. This study，based on a new high-speed railway with large-span steel capping beams bolted to portal piers，summarized the structural form，calculation key points，and crucial factors to consider during the design of steel capping beams bolted to portal piers. It validated the rationality of design parameters for portal piers bolted with large-span steel capping beams based on results from MIDAS. The study results show：（1） portal piers bolted with steel capping beams provide an economical and rational solution for high-speed railways crossing over existing projects at small angles. （2） the calculation results of steel capping beam bolted to portal pier，the steel column base，and the overall structure all meet the specifications，proving the rationality of the design parameters.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2023-02-26
作者简介：曾宁烨（1986-），男，高级工程师。
更新日期/Last Update: 2023-12-30