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Researches on Load-bearing Characteristics of Pile in Loess Foundation after Dynamic Consolidation

Author: XueYu
Tutor: HanXiaoLei
School: Xi'an University of Architecture and Technology
Course: Geotechnical Engineering
Keywords: dynamic consolidation single pile pile load capacity numerical simulation of ABAQUS
CLC: TU473.11
Type: Master's thesis
Year: 2009
Downloads: 99
Quote: 0
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Abstract


With the development of Heavy Industries,such as oil refinery,iron and steel works and so on,because foundations for large-area-loading call for both adequate bearing capacity and less sedimentation.Consolidation can improve the beating capacity of foundation and collapsibility of loess,making pile construction less collapsible and more capable of bearing.Therefore,this new research project,pile construction on loess strata after dynamic consolidation,is frequently put forward.The author test the curve of force and displacement under the vertical load.Though steel bar stress into pile,we test the rule of the pile,which is about the distributing ratio of skin friction and upper friction.The analyze testify that the piles in the dynamic consolidation soil is different from others.The property and law of this test will provide expensive experience and reference to the coming constructing and designing of the more piles.With the help of contrastive analysis of numerical simulation of t-mite element software ABAQUS,we draw a contrast between them.Then we carry a simulation of effects including length,diameter,modulus of elasticity of piles to the curve of P～s.According to the the load test of pile foundation in dynamic consolidation,several suggestions are put forward.

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CLC: > Industrial Technology > Building Science > Soil mechanics,foundation engineering > Foundation > Pile foundation and deep foundation > Pile > The ultimate bearing capacity
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