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Study On Quantitative Water Damage Risk Of Retaining Wall Along River

Posted on:2018-10-10Degree:MasterType:Thesis
Country:ChinaCandidate:Q F LiuFull Text:PDF
GTID:2322330536985077Subject:Disaster Prevention and Mitigation and Protection Engineering
Abstract/Summary:PDF Full Text Request
Shaanxi Province have many mountains along the river road,because of the water damage caused by huge economic losses every year.At present,most of the methods of evaluation of road water damage are based on qualitative evaluation.But qualitative evaluation has its inherent shortcomings,can not clearly explain the specific risk of water damage.In this paper,Monte Carlo method,the use of failure probability and reliable indicators of quantitative assessment of road water damage.There are many forms of road water damage,and the vast majority of the highway along the road with the protection project,this article one of the gravity along the river due to damage caused by the destruction of water as a research object to study.In this paper,we first summarize the relevant methods to calculate the reliability of the structure.According to the characteristics of reliability calculation method,Monte Carlo method is used to calculate the reliability of retaining wall along the river.The stochastic factors influencing the reliability of the retaining wall along the river are analyzed.The stochastic factors mainly include the factors of the retaining wall and the hydraulic factors in the retaining wall.Through the orthogonal test,the pulsating pressure characteristics of the wall before the wall are explored.The numerical analysis of the pulsating pressure in the cracks and the wall is compared with the experimental data analysis method,and the pulsating impact force is analyzed.According to the design principle of the retaining wall,the function function of the anti-overturning,anti-sliding and stability of the bearing capacity of the retaining wall during the dry season and the rainstorm period is established.According to the distribution characteristics of the parameters of the random variables in the function function,the Monte Carlo numerical simulation experiment of the immersion retaining wall is carried out by MATLAB software.On the provincial highway 102 road damage research,get the water damage and the relevant data along the river wall.According to the relevant data and the establishment of functional functions and MATLAB software to solve the reliable indicators along the river wall.The results show that the most likely damage caused by the retaining wall of the retaining wall during the dry season is the sliding damage,and the most prone to damage during the storm flood period is overturning.Based on the calculation of the failure probability and reliability index of the retaining wall along the river,this paper quantitates the water damage assessment and instructs the local highway management department to take scientific and reasonable measures to prevent and control highway water damage disaster prevention and control.The impact is minimized.
Keywords/Search Tags:Highway, water damage, retaining wall, structural function function, Monte Carlo simulation, reliable index
PDF Full Text Request
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