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A Research on Long-span Bridge Vehicle Design Load

Author: DingDing
Tutor: HuDaLin
School: Chang'an University
Course: Bridge and Tunnel Engineering
Keywords: Vehicle load Long-span bridges Design load model
CLC: U441.2
Type: Master's thesis
Year: 2009
Downloads: 72
Quote: 1
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Abstract


As China's economic development , overload , intensive operation in some special sections of the port , mining cable , and coal routes traffic situation has formed the scale , many large and heavy vehicle loads on the roads has been far more than the existing bridge specification design load rating, roads and bridges to the host brings a lot of security risks . In recent years, the event is also not uncommon bridge crushed by heavy goods vehicles , based on the current traffic conditions on the vehicle load is imminent . According to the Guangdong Pearl River downstream areas typical road vehicle load survey data , probability and statistics analysis method , first conducted a statistical analysis of the vehicle load composition ratio of each measuring point , and then select the Guangzhou-Shenzhen section of the classified vehicle load probability distribution type research design load calculation model , draw the design basis of various types of vehicles , Finally , by using Monte Carlo simulation method , using matlab prepared vehicle load random loader span bridge load effects probability distribution type of distribution parameters and design The benchmark of the maximum load effect distribution and the standard value of the load effect . The research was supported by the classification of vehicle design load calculation model for the analysis of small span bridges and long-span bridges local strength analysis to provide the basis . Normal distribution studies the distribution of the maximum load effects of long-span bridges , on the basis of the reference to national norms vehicle load mode , the proposed model of the long span bridge design load for the design of the Humen Bridge provide a reference .

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