Interfacial Shear Transfer of Reinforced Concrete with High-Strength Materials

The shear friction design concept is applicable in conditions where direct shear must be transferred across a structural concrete plane or interface, such as an existing crack or an interface between dissimilar materials or concretes cast at different times (i.e., cold joint). Shear friction provisions are commonly used in the design of reinforced concrete and precast-prestressed concrete bridge elements and connections including corbels, dapped double tees, beam bearings, and diaphragms. These types of connections are critical because there is little or no redundancy, which makes them a critical part of the structure. This project will examine the applicability of current shear friction design approaches to concrete-to-concrete interfaces with high strength concrete and/or high strength steel, by means of assembling and evaluating a comprehensive database of test results collected from the literature, and to identify potential needs for revision to the AASHTO LRFD Bridge Design Specifications.

Language

• English

Project

• Status: Completed
• Funding: $170000
• Contract Numbers:

  69A3551747107

• Sponsor Organizations:

  Office of the Assistant Secretary for Research and Technology

  University Transportation Centers Program
  Department of Transportation
  Washington, DC  United States  20590
• Managing Organizations:

  Mid-America Transportation Center

  University of Nebraska-Lincoln
  2200 Vine Street, PO Box 830851
  Lincoln, NE  United States  68583-0851
• Project Managers:

  Stearns, Amy

• Performing Organizations:

  Missouri University of Science & Technology, Rolla

  Department of Engineering
  202 University Center
  Rolla, MO    65409
• Principal Investigators:

  Chen, Genda

  Sneed, Lesley

• Start Date: 20210101
• Expected Completion Date: 20220630
• Actual Completion Date: 20231231
• USDOT Program: University Transportation Centers Program
• Source Data: RiP Project 91994-86

Subject/Index Terms

• TRT Terms: Bridge design; High strength materials; Reinforced concrete bridges; Shear reinforcement
• Subject Areas: Bridges and other structures; Design; Highways; Materials;

Filing Info

• Accession Number: 01777977
• Record Type: Research project
• Source Agency: Mid-America Transportation Center
• Contract Numbers: 69A3551747107
• Files: UTC, RIP
• Created Date: Jul 27 2021 5:08PM