摘要
Abstract
This paper conducts an in-depth study of the static and dynamic load testing techniques for the 2nd to 4th spans of the right ampli-tude of a newly constructed bridge project on a first-class highway bypassing an urban area.By comprehensively utilizing finite element simula-tion,field testing,and data analysis,a comprehensive assessment of the bridge's bearing capacity,stiffness,and dynamic characteristics is conducted.The static load test primarily measures the static strain and static deflection of the structural control sections,which is used to eval-uate the working condition and mechanical performance of the bridge structure.This provides a scientific basis for quality assessment and com-pletion acceptance of the newly constructed bridge.The dynamic load test,through vehicle running tests and ambient vibration tests,deter-mines dynamic parameters such as the bridge's natural frequencies,damping ratios,and vibration modes,thereby assessing the bridge's overall stiffness and driving performance.The test results indicate that the bridge structure is reliable,exhibiting good elastic performance and dynamic characteristics.关键词
静荷载试验/动荷载试验/承载能力/动力特性Key words
Static load test/Dynamic load test/Bearing capacity/Dynamic characteristics分类
交通运输
