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Vehicle Load with Its Reduction Factor Study in Highway Bridge Design

Author: ZhangJingWei
Tutor: HuDaLin
School: Chang'an University
Course: Bridge and Tunnel Engineering
Keywords: Vehicle load Multi - lane horizontal reduction factor Roads and bridges
CLC: U441.2
Type: Master's thesis
Year: 2011
Downloads: 52
Quote: 0
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Abstract


For the situation the growing vehicle load as well as the increase of traffic , in order to improve the security, economy and the use of roads and bridges , on the basis of the latest observational data , and the need for re- targeted vehicles Transverse Load reduction factor study and calculation . In this paper two calculation methods , the first calculation method : Ganzhou , Jiangxi Province and Inner Mongolia of Arun Qi to Shenzhen State Key Highway South Expressway segment of survey data to set , using the theory of probability and statistics , drawn vehicle load total weight of the maximum observed value GKmax relationship between the mean μG and standard deviation σG , the total effect of the reduction of the method , the multi - lane horizontal reduction factor formula , in accordance with the repeated independent test this basic probability theory , the establishment of the the transverse reduction factor related variable relationship between the derived parameters α value , then the value of α anti into the horizontal reduction factor formula to calculate the the lateral reduction factor recommended value ; second calculation method : 107 State Road the Luogang segment vehicle load measured data each lane of heavy vehicles all probability , according to each lane of the most unfavorable load control models , calculated , and then calculated the probability of heavy vehicles 24 hours a day , bicycle paths , a lateral reduction formula reuse value coefficient recommend . The two methods before and after the lateral reduction factor calculated with our City -A level and JTG D60 highway grade Ⅰ comparative analysis , the final recommended values ??of the horizontal reduction factor is given .

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CLC: > Transportation > Road transport > Bridges and Culverts > Structural principles, structural mechanics > Bridge load
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