| This paper adopts highway and bridge’s trailer load data of specialized wharf and railway station’s container transport for statistical analysis,and get the results from it.Furthermore,this paper also make comparisons among the results gotten before,the statistical results of Dawa highway and bridges’ transportation of coal from the data of.1993,which was used in the unified standard for reliability design of highway engineering structures,and the outcome of statistical analysis of Guangzhou and Shenzhen’s highway and bridges’ data in 2008 of automobile load.In addition,this paper shows these three just mentioned of their maximum value distribution’s 95%tantile in design service life to reader and make comparison of them.This paper also attempt to calculate annual improvement factor of vehicular load.The purpose of the study is for the reference use of revising national design standards in the future. |
PDF Full Text Request