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

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    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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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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History
  • Received:January 01,2024
  • Revised:February 26,2024
  • Adopted:
  • Online: April 01,2024
  • Published: