BRIDGE CONDITION ASSESSMENT USING A MOVING VEHICLE AS AN ACTUATOR

被引：0
|
作者：
Kim, Chul-Woo [1 ]
Kawatani, Mitsuo [1 ]
机构：
[1] Kobe Univ, Kobe, Hyogo, Japan
来源：
PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON STRUCTURE HEALTH MONITORING & INTELLIGENT INFRASTRUCTURE: STRUCTURAL HEALTH MONITORING & INTELLIGENT INFRASTRUCTURE | 2007年
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D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
As for the assessment of bridge health condition, this paper describes an inverse problem solving for unknown material parameters using a moving vehicle as an actuator for bridge vibration. An object function for the element stiffness index which indicates the ratio of damaged flexural rigidity of the finite element of a beam to undamaged one is subtracted from a pseudo-static formulation of equations of motion for a bridge-vehicle interactive system. The Damped Least Squares (DLS) and Total Least Squares (TLS) minimizations are adopted for optimization methods to solve the inverse problem. An analytical study suggests feasibility of the proposed method for the bridge-condition assessment.
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页数：8
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