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Stress Analysis of Rectangular Drains in Slope

Author: DaiJunWei
Tutor: WangGuiLin
School: Chongqing University
Course: Civil Engineering
Keywords: Rectangular duct Slope Earth pressure distribution Internal forces
CLC: U171
Type: Master's thesis
Year: 2011
Downloads: 21
Quote: 0
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Abstract


With the rapid development of the mountainous city , buried pipeline is increasingly widespread application in the mountain city . Mountain city municipal pipelines with complex terrain , geological conditions change and other characteristics , and the mountain city buried pipeline , the pipeline may bias phenomenon exists through a lot of slopes lot . Buried pipeline is a special structure , the peritubular soil of pipeline both loads and constraints surrounding soil will produce pipes in the force-deformation squeeze by squeeze tube soil to produce the corresponding elastic resistance , constraints and prevent the pipeline to continue deformation . The analysis of the soil pressure distribution around the pipeline is to calculate the basis of the structural design of the pipeline stability and pipeline . For this reason , this article by indoor model test , based on the theory of elasticity and finite element numerical analysis method , the surrounding soil slopes lot Shallow pipeline pressure distribution and horizontal mechanical traits were calculated and analyzed . The main contents and conclusions of the paper are as follows : ( 1 ) After reviewing the literature on the basis of the pipeline around the earth pressure distribution pattern and pipeline mechanical traits Research , analyzed previous pipe-soil relative stiffness of the nature of the soil , terrain research results regarding the impact of the soil around the pipeline pressure and pipeline mechanical traits . The ② designed the indoor pipe model test trials focus on pipeline pressure distribution characteristics of the surrounding soil . Analysis of the pipeline around the earth pressure distribution pipes in different locations of the slope difference . ③ present several common piping around the earth pressure distribution measured by the methods and test data comparison analysis , pointed out the advantages and disadvantages of the existing several methods . ④ were used to load structure method and stratigraphic architecture of quantitative comparative analysis of buried pipeline slopes lot . Slope parameters , soil parameters when using two different methods , pipe internal forces . The methods and results of this study will slopes lot Shallow pipeline section design , construction and pipeline location and other certain methods and technical guidance .

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CLC: > Transportation > Integrated transport > Pipeline transportation > Pipeline transport theory
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