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RETAINED SOIL WALL SYSTEM™
DESIGN OVERVIEW
TRICON RETAINED SOIL WALL SYSTEM™
TEG ENGINEERING INTRODUCTION
Product and Services:
MSE Wall – Bid Estimate Quantities/Design/Design Drawings/Casting Drawings
TRICON RETAINED SOIL WALL SYSTEM™
TEG ENGINEERING INTRODUCTION
Product and Services: Redi-Span – Bid Estimate Quantities/Design/Shop Drawings
TRICON RETAINED SOIL WALL SYSTEM™
TEG ENGINEERING INTRODUCTION
Product and Services: Precast Bridges (Con-Struct/Double T) – Bid Estimate Quantities/
Design/Design Drawings/Shop Drawings
TRICON RETAINED SOIL WALL SYSTEM™
TEG ENGINEERING INTRODUCTION
Product and Services:
Shuttabloc Retaining Wall – Bid Estimate Quantities/Design/Design Drawings/Shop Drawings
TRICON RETAINED SOIL WALL SYSTEM™
TEG ENGINEERING INTRODUCTION
Product and Services:
Soundwall - Bid Estimate Quantities/Design/Shop Drawings
General Design – Bridge/Wall/Foundation/Structural
TRICON RETAINED SOIL WALL SYSTEM™
MSE WALL SERVICES MSE Wall Bid Estimates Determine Material Quantities for Precasters to Price Project
sft of panel/Lbs. of soil mats/Ft of Coping/Panel Finish Review Contract Plans and Specifications for Items which effect Quantities or Design
Costs Wall Geometry/Soil Properties/Type of Coping/Design Life/Obstructions Determine Engineering Fee for Precaster to add to Project Cost
Standard Price per sft/Additional for Special Design and Aesthetic Details MSE Wall Submittals Design Calculation Package
Design Cases per Design Height/Applied Foundation Pressure/Soil Mat Length
Construction DrawingsPlan/Elevation/Standard Details/Panel Finish
Casting Drawings and SchedulesPanel Casting Drawings/ Panel Anchor Locations/Panel Schedule/Soil Mat Schedule/Shipping List
Inventory Quantities SpreadsheetPanel Schedule and Soil Mat Schedule in Excel Format
TRICON RETAINED SOIL WALL SYSTEM™PARTS OF AN MSE WALL
Face Pieces– Precast Panels/Wire Facing/C.I.P. Concrete
Retains Soil Between Reinforcing Mat LayersConnection for MSE Soil Reinforcement
Soil Reinforcing Mats – Galvanized Welded Wire MeshY or H-mat (2 Wire)/W or K-Mat (3 Wire)Y or H-mat at corner or obstructions
Backfill – Select Granular/Cement Stabilized/Coarse AggregateNon-Corrosive Backfill to Limit Corrosion of Soil Reinforcing MatsUnit Weight/Friction AngleLimits from Top of Leveling Pad to Top of Top Panel
Foundation Soils Allowable Bearing Capacity Provided by Owner (Geotechnical Engineer)Applied Bearing Pressure Determined by TEG - Applied < AllowableIncreasing Mesh Length (up to about 1.5xH) can Reduce Applied Bearing Pressure and Increase Sliding ResistanceRecommend Undercutting Existing Soils if Allowable Bearing Pressure
cannot be met
TRICON RETAINED SOIL WALL SYSTEM™READING CONTRACT PLANS
Wall Plan and Elevations – Lengths/Elevations/Stations/OffsetsFront Face Elevation Match up Plan and Elevation/Corner Stations/Kinks/Begin End of WallWall Alignment Line (Face of Panel/Face of Coping/Face of Barrier)Panels Finish
Wall Cross Sections – Coping/Moment Slab/Min. Mesh LengthCoping Type(C.I.P./Standard Precast/Half Connector)Coping Height/Embedment of Panel into CopingBackfill Limits/Requirements for Soil Mat LengthsDesign Cross Sections (Flat/Broken Backslope/Infinite Backslope)
Road Plans/Drainage Plans/Bridge PlansLocate Drainage Obstructions (Road Construction Plans and Drainage
Plans)Verify Road Plans and Drainage Plans MatchVerify Size of Drainage Inlets with Drain Details (Usually Standard Sheets)Locate Bridge Abutment/Piling or Drilled Shaft
Specifications - Special ProvisionsDesign Requirements/Panel Finish/Construction Requirements
TRICON RETAINED SOIL WALL SYSTEM™
MSE WALL DRAWING PROCEDURES BID DRAWINGS (AS REQUIRED) Elevation View
Pattern Panel Layout/Leveling Pad/CornersPrecast Coping(12” Embed)/CIP Coping(3” Embed)/Moment Slab(See Plans) Penetrations/Obstructions/Miters (<10o)Quantities (Total SFT/Panel SFT/Coping Length)
Soil Mesh Lengths Based on Bearing Pressure or 0.7xH1’ Length Increments (Where Feasible)No Less than 20’ (2 Panels) Per Design Case
Identify Construction IssuesTight Corners/Splaying MeshSkewed Stage Lines
TRICON RETAINED SOIL WALL SYSTEM™
CONSTRUCTION DRAWINGS Elevation View
Panel DesignationDesign Cases Identify Soil Mat DesignationCoping Per Work Order (Precast Verify Ordered Quantity)Penetrations/Obstructions/Miters/CornersQuantities (Total SFT/Panel SFT/Coping Length/Backfill)
Plan ViewShow Mesh Type & LengthShow Obstructions / Splayed Mesh
Design Cases and Mesh Callouts Soil Mesh Lengths Equal to or Less Than Bid LengthsDesign Cases Match Bid Design Cases (Use Bid Calculations where Possible)Minimize Changes in Mesh Longitudinal Sizes and Transverse Spacings
Detail Construction IssuesModify Standard Details to Fit ProjectAcute Corners - Skew/Splay Mesh Around ObstructionsShow Obstruction Sizes/Distances to Pile/Depth to Bottom of Abut FootingDetail Skewed/Splayed Mesh at Skewed Stage Lines
SAMPLE GENERAL NOTES SHEETSAMPLE GENERAL NOTES SHEET
SAMPLE PLAN & ELEVATION SHEETSAMPLE PLAN & ELEVATION SHEET
SAMPLE PLAN WITH ACUTE CORNERSAMPLE PLAN WITH ACUTE CORNER
ENLARGED DETAIL OF ACUTE CORNERSENLARGED DETAIL OF ACUTE CORNERS
SAMPLE PLAN WITH OBSTRUCTIONSSAMPLE PLAN WITH OBSTRUCTIONS
SAMPLE PLAN WITH OBSTRUCTIONSSAMPLE PLAN WITH OBSTRUCTIONS
TRICON RETAINED SOIL WALL SYSTEM™
PANEL CASTING DRAWINGS
Standard Panel Drawings (Back Face Panel View)
Special Panel Drawings
Dimensions to Front Face of Panel
Show Shiplaps All Around
Show No-Shiplaps (Top/Bottom/Right/Left)
Show Panel X-Section for Miters
Show Individual Anchors & Row Spacing
Show Lifting Devices
TRICON RETAINED SOIL WALL SYSTEM™
MSE WALL DESIGN
AASHTO Design Requirements(Standard/LRFD)
External StabilityDesign Case - Flat/Broken Back-Slope/Infinite Back-Slope/AbutmentCheck Overturning/Sliding/Bearing Pressure
Internal StabilitySimplified/Coherent GravityCheck Strength/Pullout
PRECAST PANEL PRODUCTIONPRECAST PANEL PRODUCTION
WALL INSTALLATIONWALL INSTALLATION
•Determine Wall Alignment
•Perform any Required Foundation Improvements
•Cast Leveling Pad
WALL INSTALLATIONWALL INSTALLATION
• Place Bottom Row of MSE Wall Panel
• Place Filter Fabric over Joints
WALL INSTALLATIONWALL INSTALLATION
• Brace Bottom Row of MSE Wall Panels with External Bracing
• Brace Panels for Alignment with Wood Blocking at Corner of Panels
• Batter Panels Back for Anticipated Movement During Backfilling
WALL INSTALLATIONWALL INSTALLATION
• Place and Compact Backfill to Bottom Row of Soil Mat Elevation.
• Do not Drive Equipment Directly over Soil Mats. 3” Min Cover - Rubber Wheeled Equipment
• Take Care with Tracked Equipment
WALL INSTALLATIONWALL INSTALLATION
•Attach Bottom Row of Soil Mats
•Ensure Connection is Pulled Tight - Shim as Required
CrimpLock™CrimpLock™“The Next Generation MSE Wall Connector”“The Next Generation MSE Wall Connector”
WALL INSTALLATIONWALL INSTALLATION
• Keep Equipment 3’ from Face of Wall – Hand Compaction at Face of Wall
• Continue Placing Panels, Bracing, Filter Fabric, Backfill, Compaction, Soil Mats
• Special Care at Sloped Walls
WALL INSTALLATIONWALL INSTALLATION
• Cast-in-Place Level-up Concrete pad Top of Top Panels
• Panels can be Cast to Follow Slope of Wall but is not Common
• Set Coping – No Mechanical Connection Required
COMPLETED RETAINED SOIL WALL PROJECTSCOMPLETED RETAINED SOIL WALL PROJECTS
COMPLETED RETAINED SOIL WALL PROJECTSCOMPLETED RETAINED SOIL WALL PROJECTS
COMPLETED RETAINED SOIL WALL PROJECTSCOMPLETED RETAINED SOIL WALL PROJECTS
COMPLETED RETAINED SOIL WALL PROJECTSCOMPLETED RETAINED SOIL WALL PROJECTS
www.triconprecast.comwww.triconprecast.com