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Description
An Introduction to Substructure Post-Tensioned Highway Box Girders for Professional EngineersIntroductory technical guidance for civil engineers, highway engineers, bridge engineers and structural engineers interested in design of concrete bridge substructures. Here is what is discussed: 1. INTRODUCTION, 2. BENDING MOMENTS CAUSED BY UNIT EFFECTS, 3. DEAD LOADDC (SELF WEIGHT AND BARRIER RAILING), 4. DEAD LOADDW (FUTURE WEARING SURFACE), 5. LIVE LOADLL (LANE AND TRUCK COMPONENTS), 6. POST TENSIONING SECONDARY MOMENTSUNIT PRESTRESSING FORCE, 7.
Introductory technical guidance for civil engineers, highway engineers, bridge engineers and structural engineers interested in design of concrete bridge substructures. Here is what is discussed: 1. INTRODUCTION, 2. BENDING MOMENTS CAUSED BY UNIT EFFECTS, 3. DEAD LOADÑDC (SELF WEIGHT AND BARRIER RAILING), 4. DEAD LOADÑDW (FUTURE WEARING SURFACE), 5. LIVE LOADÑLL (LANE AND TRUCK COMPONENTS), 6. POST-TENSIONING SECONDARY MOMENTSÑUNIT PRESTRESSING FORCE, 7. THERMAL GRADIENT (TG)Ñ20¡F LINEAR, 8. MOMENTS RESULTING FROM TEMPERATURE RISE AND FALL, 9. MOMENTS RESULTING FROM CONCRETE SHRINKAGE, 10. MOMENTS RESULTING FROM CONCRETE CREEP, 11. BENDING MOMENTS SUMMARIES, 12. POST-TENSIONING FORCE COMPARISON (AFTER ALL LOSSES, WITH THERMAL EFFECTS).
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