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A platform for research: civil engineering, architecture and urbanism
Numerical Analysis of Creep and Longitudinal Cracks Effection on PC Bridge Deflection
This paper presents a three-dimensional entity model to analyze the creep effection of PC continuous rigid frame bridge and simulate the impact of longitudinal cracks at the bottom of mian span on the deflection briefly with ANSYS software. The result shows that creep amplifies the deflection of bridge and makes the position of maximum deflection move to the center of mian span. And the longitudinal cracks of mian span don’t make great contribution to the deflection of PC continuous rigid frame bridge directly. Actually, the cracks change the stress state of the bridge’s section, which results in the risk of web cracking and further the stiffness degradation of structure. The stiffness degradation increases the defection of bridge to a great degree finally.
Numerical Analysis of Creep and Longitudinal Cracks Effection on PC Bridge Deflection
This paper presents a three-dimensional entity model to analyze the creep effection of PC continuous rigid frame bridge and simulate the impact of longitudinal cracks at the bottom of mian span on the deflection briefly with ANSYS software. The result shows that creep amplifies the deflection of bridge and makes the position of maximum deflection move to the center of mian span. And the longitudinal cracks of mian span don’t make great contribution to the deflection of PC continuous rigid frame bridge directly. Actually, the cracks change the stress state of the bridge’s section, which results in the risk of web cracking and further the stiffness degradation of structure. The stiffness degradation increases the defection of bridge to a great degree finally.
Numerical Analysis of Creep and Longitudinal Cracks Effection on PC Bridge Deflection
Applied Mechanics and Materials ; 638-640 ; 969-972
2014-09-19
4 pages
Article (Journal)
Electronic Resource
English
Numerical Analysis of Creep and Longitudinal Cracks Effection on PC Bridge Deflection
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