Dissertation > Excellent graduate degree dissertation topics show

FEM Analysis for Post-grouting to Soil Around Pile Sides and Post-grouting to Soil Around Pile Sides and Bottom

Author: XingHeMing
Tutor: LuPeiYi
School: Tianjin University
Course: Structural Engineering
Keywords: post-grouting permeability compaction finiteelement
CLC: TU473.1
Type: Master's thesis
Year: 2008
Downloads: 98
Quote: 1
Read: Download Dissertation

Abstract


The bearing capacity of the bore cast-in-place pile is reduced greatly because ofthe influence caused byslime in the bottom of the pile and mud surrounding the pile.In order to improve, enhance the bearing capacity of the bore cast-in-place pile,post-grouting bored pile arises at the historic moment. As a result,the cost of theproject can be reduced,the construction progress speeded up, the stability andreliability of the quality of pile foundation improved. At present, the research aboutthepost-groutingboredpileisstillimperfect,thetheoryfallsbehindthepractice.The paper analysis mechanism of the post-grouting bored pile and the effects,such as permeability,compaction and splitting of post-grouting to soil around pilesides and bottom based on studying the action of grouting fluid on pile and soil andthroughinvestigatingthefactorsaffectingbearingcapacityofthepilefoundation.Thepaper using the principle of in terms of working mechanism in poor permeablestratum, compaction appears to be main action while in permeable stratum, seepageseems predominant, establish post-grouting to soil around pile sides model with thefinite element software ,contrast with the not post-grouting pile, obtain the enhanceddegree of thebearingcapacityof thebore cast-in-placepile. In ordertoresearch quitefull, we use the finite element software to establish post-grouting to soil around pilebottom model and post-groutingto soil around pile sides and bottom model, calculatethe bearing capacity of post-grouting pile, obtain the enhanced degree of the bearingcapacityoftheborecast-in-placepile.Finally, based on a project example post-grouting to soil around pile sides andbottom, with the help of finite element software, we simulate the project and obtainthe enhanced degree of the bearing capacity of the bore cast-in-place pile. Contrastwith the bearing capacity obtained by the static load experiment, bearing capacityincrease1.01%,themethodhasacertainguidingsensetotheproject.

Related Dissertations

  1. Capsaicin / β - cyclodextrin system to dissolve and penetrate the,R943
  2. Study on Hydraulic Fracturing of Low Permeability Reservoir,P618.13
  3. Research on PSA/Cotton Blend Fabric of Coatinging of Water Resistance and Moisture Permeability,TS195.6
  4. Study of the Upper Paleozoic Reservoir in Jingbian Gas Field,P618.13
  5. The Research on the Effect of Uniaxial Compressive Load and Mineral Admixtures on Chloride Permeability of Concrete,TU528
  6. Low permeability reservoirs high water cut stage remaining oil distribution,P618.13
  7. Low permeability reservoir fracturing CBM Parameter Optimization,P618.13
  8. Coal and gas outburst Hou Wasi Dynamic Emission Law,TD713
  9. Study on the Preparation of High Peameability Ferrite Used for Anti-Electro-Magnetic-Interference from MnZn Soft Ferrite Wastes,TM277
  10. Study on Nanocrystalline FeCuNbSiB Alloy Powder and Magnetic Powder Cores,TB383.1
  11. A Coupling Model of the Relative Permeability of Porous Media,O357.3
  12. The Study on Controllable Preparation and Performance of Polyurethane Nano-fiber/net,TB383.1
  13. Mechanism of Lipoxin A4 Regulating Endothelial Permeability in Human Umbilical Vein Endothelial Cells,R363
  14. The Expression and Inflammatory Correlation of md2 in the Brain of Rats after Inducing Severe Acute Pancreatitis,R576
  15. Study the Effect of sFlt-1 and VEGF in Pathogenic Mechanism of Glomerular Endothelial Cell Dysfunction,R714.245
  16. Vanadium redox flow battery perfluorinated sulfonic acid ion exchange membrane,TM910.1
  17. Amorphous alloy powder cores FeSiB Preparation and Properties,TG132.271
  18. Acupuncture geotextile vertical permeability theory,TS176.5
  19. Based mixture compaction properties of asphalt pavement compaction,U416.217
  20. Bidirectional load on high performance concrete chloride ion permeability of,TU528
  21. High-speed cutting vibration compaction of soil and its numerical simulation of drag reduction,S222

CLC: > Industrial Technology > Building Science > Soil mechanics,foundation engineering > Foundation > Pile foundation and deep foundation > Pile
© 2012 www.DissertationTopic.Net  Mobile