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DEPARTMENT OF TRANSPORTATION

NEW YORK STATE. DEPARTMENT OF TRANSPORTATION. Superstructure Replacement of Route 31 over Canandaigua Outlet with Deck Bulb Tees (DBT) Mathew Royce PE. OFFICE OF STRUCTURES. WHY DBT?. PROJECT INTRODUCTION. Design and Construction Issues. UHPC Joint. DUCTAL UHPC CUBE BREAKS (PSI).

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DEPARTMENT OF TRANSPORTATION

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  1. NEW YORK STATE DEPARTMENT OF TRANSPORTATION Superstructure Replacement of Route 31 over Canandaigua Outlet with Deck Bulb Tees (DBT) Mathew Royce PE OFFICE OF STRUCTURES

  2. WHY DBT?

  3. PROJECT INTRODUCTION

  4. Design and Construction Issues

  5. UHPC Joint

  6. DUCTAL UHPC CUBE BREAKS (PSI)

  7. CURING

  8. UHPC Closure Pour Joint Testing Project

  9. UHPC Closure Pour Joint Testing Simulating Deck Panel Cxn Simulating DBTee Cxn

  10. UHPC Closure Pour – Cyclic Testing Precast Panel UHPC Precast Panel Wheel Patch Above Here 7’ between Simple Supports 7’ Wide Specimen Panel G1/G2 – After 5.8 Million Cycles to 21.3 kips

  11. UHPC Closure Pour – Cyclic Testing Precast Panel UHPC Precast Panel 0.001” (0.03 mm) 0.003” (0.08 mm) crack 0.001” (0.03 mm) 0.005” (0.13 mm) crack UHPC structural cracks tend to measure approximately 0.0002” (0.005 mm) Panel G1/G2 – After 5.8 Million Cycles to 21.3 kips

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