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Investigation of temperature effects on wide steel box girder of suspension bridge based on long-term monitoring data.
Wang, Yanru; Zhang, Guoliang; Wang, Hui; Liu, Lang; Wang, Xu; Zheng, Shuqin; Huang, Jin; Fu, Bin; Zhou, Lei.
Afiliación
  • Wang Y; School of Civil Engineering, Taizhou University, Jiaojiang, 318000, Taizhou, China.
  • Zhang G; School of Civil Engineering, Chongqing Jiaotong University, Chongqing, 400041, China.
  • Wang H; Southwest Technology and Engineering Research Institute, Chongqing, 400041, China.
  • Liu L; School of Civil Engineering, Chongqing Jiaotong University, Chongqing, 400041, China. janice_liu@cqjtu.edu.cn.
  • Wang X; School of Civil Engineering, Chongqing Jiaotong University, Chongqing, 400041, China.
  • Zheng S; College of Architecture and Energy Engineering, Wenzhou University of Technology, Wenzhou, 150080, China.
  • Huang J; China Merchants Chongqing Highway Engineering Testing Center Co., LTD, Chongqing, 400074, China.
  • Fu B; School of Civil Engineering, Taizhou University, Jiaojiang, 318000, Taizhou, China.
  • Zhou L; School of Civil Engineering, Chongqing Jiaotong University, Chongqing, 400041, China.
Sci Rep ; 14(1): 9691, 2024 Apr 27.
Article en En | MEDLINE | ID: mdl-38678071
ABSTRACT
The time-varying temperature distributions on bridge structures may remarkably change structural performance, which may result in differential strain/stress responses on structural members compared with the design conditions. Therefore, it is crucial to have a comprehensive understanding of temperature distributions and its effects on bridges. In this study, taking advantage of structural health monitoring technology, 1-year field monitoring data collected from a long-span suspension bridge were used to investigate the temperature distributions and their effects on the steel box girder. Specifically, the distributions and probability statistics of temperatures on the top and bottom plates were firstly analyzed. Based on which, the transverse and vertical temperature differences on the box girder were further examined, moreover, the representative values of temperature differences for various return periods were calculated by exceedance probability method. At end, a temperature prediction method was proposed to simulated the temperature field distributions during bridge life cycle, to provide substantial temperature data for estimating future operation condition. The results of this study were beneficial to structural evaluation of in-service bridges to ensure their serviceability and integrity in the life cycle.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Sci Rep Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Sci Rep Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido