Strength of Unbonded Post-Tensioned Walls

Post-tensioned masonry walls (PT-MWs) will be an ideal candidate for accelerating the construction of sound barriers in highways. PT-MWs have been in use for a while; however, there has been no rigorous single-study in the United States about in-plane strength of PT-MWs built out of concrete masonry units. This project will investigate the in-plane behavior of six full-scale unbonded post-tensioned walls. All the walls will have the same total post-tensioning force and identical dimensions of 104 in. long, 96 in. high, and 8 in. wide. Spacing between tendons ranging from 32 in. to 96 in. will be investigated. The walls will be subjected to in-plane shear loads of increasing amplitude. Both flexural strength and shear strength will be evaluated and compared to the strengths given by MSJC (2011). The stresses in the tendons will be measured using strain gauges and compared to different formulae.

Language

  • English

Project

  • Status: Completed
  • Funding: $12539.00
  • Contract Numbers:

    DTRT06-G-0014

    00042597

  • Sponsor Organizations:

    Research and Innovative Technology Administration

    University Transportation Centers Program
    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590

    Missouri University of Science and Technology, Rolla

    328 Butler-Carlton Hall
    1401 N. Pine Street
    Rolla, MO  United States  65401
  • Principal Investigators:

    ElGawady, Mohamed

  • Start Date: 20130105
  • Expected Completion Date: 0
  • Actual Completion Date: 20140515
  • Source Data: RiP Project 34935

Subject/Index Terms

Filing Info

  • Accession Number: 01534843
  • Record Type: Research project
  • Source Agency: Center for Infrastructure Engineering Studies
  • Contract Numbers: DTRT06-G-0014, 00042597
  • Files: UTC, RiP
  • Created Date: Aug 20 2014 1:00AM