Table of Contents

• Chapter 1 Introduction
  • Motivation for the Project
  • Objective
• Chapter 2 Concept of the Research
  • Behavior of Composite Construction
  • Anchored Shear Key Connection
  • Slip-Modulus Concept
• Chapter 3 Experimental Test Program
  • Initial Withdrawl Test Specimens
  • Conduct of the Withdrawl Tests
  • Additional Withdrawal Test Specimens
  • Slip Test Specimens
  • Conduct of Slip Tests
  • Layered Beam Specimens
  • Conduct of the Layered Beam Tests
  • Deck Test Specimens
  • Construction of the Deck Specimens
  • Positions of the Notches and the Hilti Dowels
  • Deck Testing Procedure and Loading Procedure
• Chapter 4 Results of the Test Program
  • Statistical Analysis Method
  • Withdrawl Test Results
  • Comparision of the Hilti Dowel and the Treaded Rod
  • Comparison of Adhesive Test Results
  • Slip Test Results
  • Determination of the Slip Modulus
  • Failure Loads
  • Description of Failures
  • Layered Beam Test Results
  • Load-Displacement Behavior
  • Types of Beam Failures Observed
  • Failure Loads
  • Composite Action Observed
  • Layered Decks Test Results
  • Properties of Wood
  • Properties of Concrete
  • Properties of Other Materials
  • Rectangular Deck
  • Skewed Deck
  • Composite Action Observed
• Chapter 5 Conclusions and Recommended Future Research
• References

Shear Key fir Strengthening Bridges

Richard M. Gutkowski

Research Assistants:
Kevin Brown
Patrick Etournaud
Wayne Thompson

Colorado State University

August 2001

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