WANG Dong-sheng, WANG Guo-xin, FENG Qi-min. EQUIVALENT RIGID-BODY COMPACT MODEL OF POUNDING BETWEEN ADJACENT BRIDGE GIRDERS DURING EARTHQUAKES[J]. Engineering Mechanics, 2004, 21(4): 81-85,4.
Citation: WANG Dong-sheng, WANG Guo-xin, FENG Qi-min. EQUIVALENT RIGID-BODY COMPACT MODEL OF POUNDING BETWEEN ADJACENT BRIDGE GIRDERS DURING EARTHQUAKES[J]. Engineering Mechanics, 2004, 21(4): 81-85,4.

EQUIVALENT RIGID-BODY COMPACT MODEL OF POUNDING BETWEEN ADJACENT BRIDGE GIRDERS DURING EARTHQUAKES

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  • Received Date: October 08, 2002
  • Revised Date: April 22, 2003
  • Conservation laws of momentum and energy are introduced to model pounding between adjacent bridge girders based on collinear compact between rod theory. An equivalent rigid-body compact model is proposed. The coefficient of restitution depends only on the length ratio l2/l1 and impact spring stiffness ratio α. A simplified analysis of seismic pounding in a concrete bridge indicates that the equivalent rigid-body compact model can acquire almost the same structural response as that elastic rod compact model does.
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