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首页> 外文会议>The 4th international symposium on lifetime engineering of civil infrastructure >RESEARCH AND ASSESSMENT ON STATIC AND DYNAMIC CHARACTERISTIC TEST OF BINWANG BRIDGE
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RESEARCH AND ASSESSMENT ON STATIC AND DYNAMIC CHARACTERISTIC TEST OF BINWANG BRIDGE

机译：宾王大桥静态及动态特性试验研究与评估

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摘要

After a long period of operation of existing bridges, certain changes in geometric form and material properties of the structure may occur. Binwang Bridge in Yiwu is a three-span (55.25m+80m+52.25m) through concrete-filled steel tubular tied-arch bridge, which was opened to traffic in 1998. For operating status, we proceeded an experiment of static load and dynamic load. The static load and dynamic load test is to verify the reliability of theoretical analysis and design method, to test the quality of construction, to judge if the overall mechanical behaviours and load-carrying capacity of the bridge meet the requirements of design and specifications, and to master the dynamic characteristics of the bridge under various forms of vehicle load. The selection of the efficiency in static load (η) is taken into consideration in the study, in order to strengthen the monitoring of load and deformation and to determine the reasonable load time. Through the evaluation and analysis of the theoretical results and experimental results, it can be concluded that the strength and stiffness of the control section meet the design requirements, and that the bridge has a sufficient lateral rigidity and a great capacity to subject to overloading and eccentric load.
机译：在对现有桥梁进行长时间的操作后，可能会发生几何形状和结构材料特性的某些变化。义乌市宾王大桥是一座三跨（55.25m + 80m + 52.25m）贯穿式钢管混凝土系拱桥，于1998年正式通车。针对运行状态，我们进行了静载荷和动态试验。加载。静载荷和动载荷测试是为了验证理论分析和设计方法的可靠性，测试施工质量，判断桥梁的总体力学性能和承载能力是否满足设计和规格要求，以及掌握桥梁在各种形式的车辆载荷下的动态特性。在研究中考虑了静载荷效率（η）的选择，以加强对载荷和变形的监控，并确定合理的载荷时间。通过理论分析和实验结果的评估和分析，可以得出控制段的强度和刚度满足设计要求，桥梁具有足够的侧向刚度和承受超载和偏心的能力。加载。

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