Abstract：The effects of the statistic progress characteristics of turbulent wind and road roughness on the driving safety reliability are discussed, and the evaluation method for safety probability of vehicles driving on the bridge deck is studied, which will consider the randomness of mean wind velocity as well as the statistic progress characteristics of turbulent wind. The effects of the statistic progress characteristics are analyzed by classical dynamic reliability theory. The results show that contacting forces of vehicle tires are weak non-stationary progress within lateral wind environment, so classical dynamic reliability theory is applicable to safety reliability analysis of driving vehicles. The driving speed is higher, the effect of statistic progress characteristics is more obvious. And driving reliability of Santana that represents small cars is influenced more considerably by the statistic progress characteristics than that of box-type truck. The extent of the effect is relevant to wind velocity range of dynamic reliability curve and that of probability density function for mean wind velocity.
2012, Vol. 31 
