• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 14 Issue 1
Feb.  2001
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Article Contents
ZHENG Shi-xiong, LIAOHai-li, ZHOUShu-hua. Study on Wind Resisting Performance of Long-Span Rigid Frame Bridgein Its Cantilever Construction Stage[J]. Journal of Southwest Jiaotong University, 2001, 14(1): 8-11.
Citation: ZHENG Shi-xiong, LIAOHai-li, ZHOUShu-hua. Study on Wind Resisting Performance of Long-Span Rigid Frame Bridge in Its Cantilever Construction Stage[J]. Journal of Southwest Jiaotong University, 2001, 14(1): 8-11.

Study on Wind Resisting Performance of Long-Span Rigid Frame Bridge in Its Cantilever Construction Stage

  • Publish Date: 25 Feb 2001
  • In this paper, the study is conducted around a three span prestressed concrete (PRC) continuous rigid frame bridge with a main span of 190 m and consisting of two parallelly-arranged roadway boxgirders. By wind tunnel tests of an aeroelastic model, the aerodynamic coefficients of the front and rear girders are discussed and the effect of horizontal angle of airflowβon these coefficients is also studied. Then, a measurement usingthe thin plate to connecthorizontallythe two parallelly-arranged boxgirders is taken, and its vibration suppressing effect on the wind induced response is analytically discussed. It is shown that for long span rigid frame bridges with two parallelly-arranged roadway box girders, connecting horizontally the two girders in cantilever construction stage can reduce the wind induced horizontal vibration response effectively and easily.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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