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小半径曲线桥大角度转体施工设计及施工:大同市平城街西延线跨铁路桥匝道桥
作者:
作者单位:

(中铁十七局集团第四工程有限公司,重庆 401120)

作者简介:

Hongbin Hu, Engineer, Graduated from Xi’an Shiyou University in 2016. Work Direction: Bridge Engineering Construction and Management.

通讯作者:

Hongbin Hu

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基金项目:


Design and Construction of a High-Angle Swivel for a Small-Radius Curve Ramp Bridge Over Railway on the Pingcheng Street West Extension Line in Datong City
Author:
Affiliation:

(The Fourth Engineering Co., Ltd., China Railway 17th Bureau Group Co., Ltd., Chongqing 401120, China)

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    摘要:

    本文报道了一座半径为60m的曲线桥进行148°转体的设计与施工过程。由于曲线桥半径较小,转体时偏心力矩较大,因此在结构设计时通过墩梁固结并设置高强预应力锚杆、转体结构设置预偏心、墩顶梁体内填充铁砂混凝土等措施,平衡偏心力矩。该桥的曲线半径与转体角度均创造了桥梁转体的世界纪录。

    Abstract:

    This paper presents the design and construction process of a 148° swivel for a curved bridge with a radius of 60 meters. Due to the small radius of the curved bridge, there is a significant imbalance moment during swivel. Therefore, in the structural design, measures such as pier-beam connection, installation of high-strength prestressed anchor rods, pre-eccentricity setting for the swivel structure, and filling of iron sand concrete inside the box beam at the top of the pier are adopted to balance the moment. Both the curve radius and the swivel angle of the bridge set world records for bridge swivel construction.

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引用本文

Hongbin Hu Design and Construction of a High-Angle Swivel for a Small-Radius Curve Ramp Bridge Over Railway on the Pingcheng Street West Extension Line in Datong City. Prestress Technology 2024,2(01):82-90. 10.59238/j. pt.2024.01.007

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  • 收稿日期:2024-01-01
  • 最后修改日期:2024-02-26
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  • 在线发布日期: 2024-04-01
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