7/16/01 sv..\99-00020043\cal trans\final presentation.ppt Some Practical Considerations in the...
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Transcript of 7/16/01 sv..\99-00020043\cal trans\final presentation.ppt Some Practical Considerations in the...
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Some Practical Considerationsin the Design of Deep
Soil-Cement Mixing Applications
Demetrious C. Koutsoftas
URS Corporation
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Major Applications
1. Excavations and Shoring
2. Ground Improvement/Lateral Spreading Barriers
3. Deep Foundations
4. Cut-off Walls
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Foundation Design Applications
1. Soil-Cement Piles• Mobilization of Skin Friction• Lateral Stresses/Deformations• Grout Permeation
2. Soil-Cement Cylindrical Shafts• Reinforcement• Lateral Support
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Cypress Freeway ProjectDepressed Roadway - 7th Street Realignment
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Soil Cement Uplift Pile
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Results of Uplift Load Tests on Soil-Cement Piles
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Soil-Cement Cylinder Piles
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Exposed Soldier Piles at the Topof the Soil-Cement Cylinder Pile
View of ExcavatedSoil-Cement Shaft
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Lateral Support of Hand Excavated Caissons
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
1. Spacing of Soldier Piles and Behavior of Soil-Cement Between the Piles
2. Special Applications with Jet-Grout Base Struts• Base Stability• Deformations• Anchorage• Wall Embedment
Excavations and Shoring
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Typical Arrangement of Soldier Pilesfor Shoring Wall Construction
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Excavation for EBMUD Storage Basin
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Typical Example of Soil-Cement Walls:Exposed Columns After Excavation
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Arrangement of Soil-Cement Columnsfor Increased Soldier Pile Spacing
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
View of Completed Excavation with Soldier
Piles Spaced 6 Feet Apart
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Islais Creek Area and Excavation Projects
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Comparison of Conventional “Stiff” Systemwith New Shoring Concept
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Base Stability ConsiderationsUse of Jet Grout Slab Anchored with Piles
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Results of Pull-out Tests for Bond Resistance Determination: Zero, Four, and Six Rows of Shear Keys
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
(b) Inclinometer No. N-76;Overflow Structure
(a) Inclinometer No. E-155;Indiana Street Segment
Lateral Deformations Caused by Jet Grouting
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Lateral Deformations Caused by Jet Grouting:Inclinometer No. S-93; Overflow Structure
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
Islais Creek Contract ETunnel Access Shaft Design
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
(a) Inclinometer No. E-87;Indiana Street Segment
(b) Inclinometer No. N-120; Overflow Structure
Lateral Deformations Caused by Jet Grouting
7/16/01 sv ..\99-00020043\cal trans\final presentation.ppt
View of Completed Excavation