By: Shahir A. Safi, PE Kansas City District Corps of Engineers
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Transcript of By: Shahir A. Safi, PE Kansas City District Corps of Engineers
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By: Shahir A. Safi, PE By: Shahir A. Safi, PE Kansas City District Corps of Kansas City District Corps of
EngineersEngineers
Evaluation of Wire Rope Tainter Gates with Evaluation of Wire Rope Tainter Gates with using EM 1110-2-2702 (2000)using EM 1110-2-2702 (2000)
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Presentation OutlinePresentation Outline
Tainter Gate TerminologyTainter Gate Terminology Generating 3D centerline model in Micro Generating 3D centerline model in Micro
Station for export to STAADStation for export to STAAD Building the 3D Frame Model in STAADBuilding the 3D Frame Model in STAAD LRFD Code of Tainter Gate ElementsLRFD Code of Tainter Gate Elements
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Tainter Gate TerminologyTainter Gate Terminology
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3D Centerline Model Drawn 3D Centerline Model Drawn in Micro Stationin Micro Station
-Dimensions are taken from Record Dimensions are taken from Record DrawingsDrawings
-Completed MicroStation model is then Completed MicroStation model is then saved as a DXF filesaved as a DXF file
-DXF file imported into STAADDXF file imported into STAAD
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Horizontal Horizontal Girder and Girder and Vertical Rib Vertical Rib modeled with modeled with on same on same center-linecenter-line
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Horizontal Horizontal Girder and Girder and Vertical Rib Vertical Rib modeled with modeled with eccentric eccentric stubsstubs
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MICROSTATION MODEL EXPORTED TO MICROSTATION MODEL EXPORTED TO STAADSTAAD
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ASSIGNMENT OF SECTION PROPERTIESASSIGNMENT OF SECTION PROPERTIES
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ASSIGNMENT OF SECTION PROPERTIESASSIGNMENT OF SECTION PROPERTIES
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ASSIGNMENT OF SECTION PROPERTIESASSIGNMENT OF SECTION PROPERTIES
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SPECIFICATIONS OF STRUCTURE SPECIFICATIONS OF STRUCTURE MEMBERSMEMBERS
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TRUNNION SUPPORT CONDITIONTRUNNION SUPPORT CONDITION
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WIRE ROPE AGAINST SKINPLATEWIRE ROPE AGAINST SKINPLATE
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WIRE ROPE DRUM ASSEMBLY SUPPORT WIRE ROPE DRUM ASSEMBLY SUPPORT MODELED AS PINMODELED AS PIN
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EM LOAD 1 – GATE SITTING ON THE SILLEM LOAD 1 – GATE SITTING ON THE SILL
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EM LOAD 1 – GATE SITTING ON THE SILLEM LOAD 1 – GATE SITTING ON THE SILL
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EM LOAD 1 – GATE SITTING ON THE SILLEM LOAD 1 – GATE SITTING ON THE SILL
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EM LOAD 2 – GATE LIFTING OFF SILL WITH EM LOAD 2 – GATE LIFTING OFF SILL WITH TWO HOIST CABLESTWO HOIST CABLES
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EM LOAD 2 – GATE LIFTING OFF SILL WITH EM LOAD 2 – GATE LIFTING OFF SILL WITH TWO HOIST CABLESTWO HOIST CABLES
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EM LOAD 2 – GATE LIFTING OFF SILL WITH EM LOAD 2 – GATE LIFTING OFF SILL WITH TWO HOIST CABLESTWO HOIST CABLES
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HYDROSTATIC LOADHYDROSTATIC LOAD
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HYDROSTATIC LOADHYDROSTATIC LOAD
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SIDE SEAL LOAD:SIDE SEAL LOAD:
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EM FORMULA FOR ESTIMATING THE SIDE EM FORMULA FOR ESTIMATING THE SIDE SEAL LOAD:SEAL LOAD:
J-BULB RUBB AGAINST PIER
HDROSTATIC HEAD AGAINST J-BULB
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SIDE SEAL LOAD:SIDE SEAL LOAD:
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SIDE SEAL LOAD IN STAADSIDE SEAL LOAD IN STAAD
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TRUNNION FRICTION MOMENTTRUNNION FRICTION MOMENT
Z
Y
X
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TRUNNION FRICTION MOMENT – THRUST TRUNNION FRICTION MOMENT – THRUST COMPONENTCOMPONENT
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TRUNNION FRICTION MOMENT – CIR TRUNNION FRICTION MOMENT – CIR COMPONENT COMPONENT
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TRUNNION FRICTION MOMENT – ARM TORSION TRUNNION FRICTION MOMENT – ARM TORSION COMPONENTCOMPONENT
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Modified EM 2702 LOAD CASE 1 - INTERACTION VALUES
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Modified EM 2702 LOAD CASE 2 - INTERACTION VALUES
0.964
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MEMBER WITH HIGHEST MEMBER WITH HIGHEST INTERACTION VALUEINTERACTION VALUE
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CONTROLLING MEMB W/O TRUNNION CONTROLLING MEMB W/O TRUNNION FRICTION MOMENTFRICTION MOMENT
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CONTROLLING MEMB W/O TRUNNION CONTROLLING MEMB W/O TRUNNION FRICTION MOMENT, AND SIDE SEALFRICTION MOMENT, AND SIDE SEAL
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HAND CHECK OF MODEL- TOM WRIGHTHAND CHECK OF MODEL- TOM WRIGHT
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HAND CHECK OF MODEL- TOM WRIGHTHAND CHECK OF MODEL- TOM WRIGHT
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HAND CHECK OF MODEL- TOM WRIGHTHAND CHECK OF MODEL- TOM WRIGHT
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HAND CHECK OF MODEL- TOM WRIGHTHAND CHECK OF MODEL- TOM WRIGHT
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HAND CHECK OF MODEL- TOM WRIGHTHAND CHECK OF MODEL- TOM WRIGHT
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HAND CHECK OF MODEL- TOM WRIGHTHAND CHECK OF MODEL- TOM WRIGHT