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Application Research of Soft Foundation Treatment by Sand-filled Bags in Breakwater

Author: LiZuoBo
Tutor: WuZhong
School: Hohai University
Course: Transportation Planning and Management
Keywords: Soft Ground Bagged Sand Consolidation Reinforced Stability Analysis
CLC: U656.2
Type: Master's thesis
Year: 2006
Downloads: 114
Quote: 1
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Abstract


The application of sand bags and plastic drainage plate reinforcement breakwater soft ground , is one of the recent years, a common ground treatment often encountered at the construction site during the load excessive foundation settlement problem of excessive sedimentation rate at this time natural the bank slope remain stable is a need to study the problem . To address this question , the article focuses on the relationship during the construction of ground deformation and stability . Theoretically solve this problem , this paper introduces the theory of soil deformation and seepage coupling analysis , nonlinear elastic constitutive model , using the finite element method solution of Biot consolidation theory . Simplified foundation model , analog -site construction conditions , obtained foundation soil displacement and stress calculation results in good agreement with the measured values ??. Using field data , load control indicators joint plastic bags of sand drainage board reinforced soft ground made ??some exploration, it is recommended that similar projects may be appropriate to relax the settlement control standards . Finally , with engineering examples demonstrate bagged sand has a significant role in the control of late settlement and differential settlement . Slope stability is the the geotextile primary controlled conditions . This paper introduces theoretically more mature slice method, widely used in practice to simulate field conditions , the construction period slope stability calculation , and the calculation results were analyzed . Calculation fails to consider the reinforcement effect of bagged sand draw geotextile-reinforced soft foundation of existing research results and experience in engineering practice , and to explore the role and effect of bagged sand reinforced pointed bagged sand reinforced can greatly enhance the skid resistance of the soil , so as to solve the questions of the scene , and provide references and experience in similar related works . In this paper, on the foundation of consolidation and stability analysis , bagged sand project is successful , has a better application value . The bagged sand widely used in engineering practice , will surely have a better economic and social benefits .

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CLC: > Transportation > Waterway transport > Port projects > Port of hydraulic structures > Outside the embankment
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