RESEARCH AND DEVELOPMENT OF HEALTH MONITORING SYSTEM FOR PRESTRESSED CONCRETE GIRDER BRIDGES

Zhang Zhengwen

doi:10.13204/j.gyjz201402024

Volume 44 Issue 02

Jan. 2015

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Zhang Zhengwen. RESEARCH AND DEVELOPMENT OF HEALTH MONITORING SYSTEM FOR PRESTRESSED CONCRETE GIRDER BRIDGES[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(02): 108-112. doi: 10.13204/j.gyjz201402024

Citation:

Zhang Zhengwen. RESEARCH AND DEVELOPMENT OF HEALTH MONITORING SYSTEM FOR PRESTRESSED CONCRETE GIRDER BRIDGES[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(02): 108-112. doi: 10.13204/j.gyjz201402024

Zhang Zhengwen. RESEARCH AND DEVELOPMENT OF HEALTH MONITORING SYSTEM FOR PRESTRESSED CONCRETE GIRDER BRIDGES[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(02): 108-112. doi: 10.13204/j.gyjz201402024

Citation:

Zhang Zhengwen. RESEARCH AND DEVELOPMENT OF HEALTH MONITORING SYSTEM FOR PRESTRESSED CONCRETE GIRDER BRIDGES[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(02): 108-112. doi: 10.13204/j.gyjz201402024

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RESEARCH AND DEVELOPMENT OF HEALTH MONITORING SYSTEM FOR PRESTRESSED CONCRETE GIRDER BRIDGES

doi: 10.13204/j.gyjz201402024

Zhang Zhengwen

Publish Date: 2014-02-20

Abstract

Abstract

Taking a three-span prestressed concrete continuous box girder bridge as a research object，a structural health monitoring system for prestressed concrete girder bridges was designed． The monitoring objects，content and design principles of monitoring system was expounded， and the placement of sensors was optimally designed． Based on weigh-in-motion technology，a new monitoring method for the safety of bridge operation were proposed． Using girder bridge dynamic analysis function module of self-developed bridge dynamic analysis software BDANS， the structural dynamic characteristics of girder bridge under random traffic flow was analyzed． The grading prewarning management system of overload vehicles and bridge bearing capacity conditions were respectively established． The real-time monitoring system can monitor bridge continuously，and evaluate bridge safety operation conditions．
- prestressed concrete,
- girder bridges,
- operation monitoring,
- grading prewarning,
- condition assessment

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