Transcription of Abutment Design Example
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Abutment Design ExampleChris Byrum Doug Parmerlee Example BridgeEvaluate Existing Test Hole DataNot much before 1940 MDOT Housel Soil Mechanics 1940-80sASTM SPT N-modified valuesEvaluate Existing Test Hole DataNot much before 1940 MDOT Housel Soil Mechanics 1940-80sASTM SPT N-modified valuesEvaluate Existing Test Hole DataNot much before 1940 MDOT Housel Soil Mechanics 1940-80sASTM SPT N-modified valuesNew Test HolesIn-Situ Vane-shear and 3 Shelby TubesDesign Shear Strength ProfilesVane onlyFinal SelectionUC only 4* MDOTUsed for: Global Stability, Bearing Capacity, Piling Side Resistance, pile for Piling Tip ResistanceExternal Stability Task 1: Lateral Squeeze Task 2: Global Stability Task 3: Settlement Analyses Task 4:Bearing CapacityFS = 2*Cu +( *Cu)gama*Ds*tan(theta)H*gama Where, Cu =U
Evaluate Existing Test Hole Data Not much before 1940. MDOT Housel Soil Mechanics 1940-80s. ... Load Effects. 515 540 565 590 615 Elevation, ft 0 3000 6000 9000 12000 Pressure, psf ... Static Pile Load Tests. Soil Pore Pressure Dissipation. M EI d z dx = 2 2 Michigan’s State Fossil:
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