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author:

Ren, Wei-Xin (Ren, Wei-Xin.) [1]

Indexed by:

EI Scopus

Abstract:

Despite improved structural analysis, a field load test is an essential way to understand the behavior and fundamental characteristics of the bridges before allowing them to go into service. The results of field static load tests on the newly constructed Qingzhou cable-stayed bridge over the Ming River, Fuzhou, China are presented in the paper. A main span length of 605m of the tested bridge is currently the longest in the world among the completed composite-deck type cable-stayed bridges. The general test plan, tasks and the responses that are measured are described. The level of test loading is normally about 80-95% of the code-specified serviceability load. The presented results include the deck alignment, deck and tower displacements, and stresses of the composite deck. A full three-dimensional finite element model is developed and applied to calculate the bridge responses. The experimental and analytical results have shown that the bridge is in the elastic state under the planned load test conditions, which indicates that the bridge has an adequate load-carrying capacity. The analytical calculation demonstrates a good agreement with the measured responses of the bridge. A finite element model that is calibrated reasonably with the field load test results can serve as a baseline for the health monitoring or further maintenance work of the bridge.

Keyword:

Accident prevention Cables Cable stayed bridges Deflection (structures) Finite element method Load testing Maintenance Stresses

Community:

  • [ 1 ] [Ren, Wei-Xin]Fuzhou University, China

Reprint 's Address:

  • 任伟新

    [ren, wei-xin]fuzhou university, china

Email:

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Source :

Year: 2017

Page: 107-118

Language: English

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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