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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2005, Vol. 6 Issue (8): 875-877    DOI: 10.1631/jzus.2005.A0875
Civil Engineering     
Theoretical and experimental study on shear lag effect of partially cable-stayed bridge
WU Gao-feng, XU Hong
Mechanical and Electrical Engineering College, Beijing University of Chemical Technology, Beijing 100029, China
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Abstract  In order to resolve the traffic congestion problem, many cable-stayed bridges are designed with a large width to span ratio. This results in significant shear lag effect to cause nonuniform stress distribution along the flanges of the beam of bridge. This paper reports study on the shear lag effect of the Lanzhou Xiaoxihu Yellow River Bridge. A 3D finite element model of the bridge was developed and finite element analysis (FEA) was done to obtain the theoretical results. To evaluate the theoretical results, a scaled model was made to conduct static test in laboratory. The experiment results accorded with the results obtained by FEA. It is proved that FEA is an effective method to predict shear lag effect of bridges of this type.

Key words： Cable-stayed bridge      FEA      Experimental      Shear lag effect     
Received: 14 December 2004     
CLC:  O343.5  
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WU Gao-feng, XU Hong. Theoretical and experimental study on shear lag effect of partially cable-stayed bridge. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2005, 6(8): 875-877.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2005.A0875     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2005/V6/I8/875

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