Mechanics performance of simple supported T-beam under vehicle load spectrum;

Dynamic analysis of simply supported beam bridges under vehicle load spectrum;

Active earth pressure induced by saturated subgrade under vehicle load;

Analysis of efficiency of vibration isolating groove subjected to vehicle load;

Numerical simulation of failure mechanism of subgrade retaining structure under vehicle load;

Research on influential depth of vehicle loads and its influencing factors;

Based on the characteristic of vehicle loads and the actuality of over loading of most vehicles in China,vehicle loads are simplified as equivalent static load which was assumed as three kinds of distribution forms: concentrated distribution,rectangle distribution and zonal distribution;and their computational formula were educed respectively by using Boussinesq and Flamant answers.

Paying little attention to the influences of vehicle loads on deep excavation supporting structure,simplifying vehicle loads as equivalent static load,using concentrated load and equivalent layer method,the influences of vehicle loads on deep excavation supporting structure is considered in this paper and only common vehicle loads are considered according to the code.

Studies are carried out on problems such as the possible deformation during construction, leakage at the manhole wall, differential settlement between the pipe and the manhole, and the impact from traffic load, with proposed solutions.

Focuses on the problem of bridge failure mode approach under traffic load,uses branch-and-bound method as the approaching rule and tra.

Along with the increasing of the aging bridges in number all over the world, assessment of existing bridges becomes a major subject in the field of bridge research, and the research of stochastic model for traffic load on existing bridge is a significant ingredient of this topic.

In order to simulate the vehicle dynamic load caused by road roughness and analyze the dynamic response of pavement in the vehicle-road or vehicle-bridge interaction system more precisely,the definitions of road roughness were reviewed.

To get a comprehensive analysis of dynamic characteristics, the vehicle dynamic load and the criterion of calculation as well as the dynamic response characteristics of the bridge-approach pavement are investigated in this paper by theoretical research, numerical modeling and spot investigation.