An Introduction to Preliminary Design for Post-Tensioned Highway Box Girders

Introductory technical guidance for civil and structural engineers interested in design of post-tensioned highway box girders. Here is what is discussed: 1. INTRODUCTION 2. ESTABLISH BRIDGE LAYOUT 3. CROSS SECTION SELECTION 4. LONGITUDINAL ANALYSIS 5. BENDING MOMENTS 6. REQUIRED PRESTRESSING FORCE AFTER LOSSES 7. PRESTRESSING LOSSES AND TENDONSIZING FOR FINAL DESIGN (PJACK) 8. SERVICE LIMIT STATE STRESS VERIFICATIONS. 9. OPTIMIZING THE POST-TENSIONING LAYOUT.