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Seismic, creep, and tensile testing of various epoxy bonded rebar products in hardened concrete.

File Language:
English


Details

  • Creators:
    Meline, Robert J. ; Duane, Jacob ; Gallaher, Malinda
  • Corporate Creators:
    California. Dept. of Transportation. Division of Research and Innovation
  • Corporate Contributors:
    United States. Federal Highway Administration
  • Subject/TRT Terms:
  • Publication/ Report Number:
    CA06-0247 ; FHWA/CA/IR/2004/01
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    California
  • Corporate Publisher:
    California. Dept. of Transportation. Division of Research and Innovation
  • Abstract:
    The objective of this project was to evaluate the performance of currently specified epoxy adhesive ; anchor systems on various epoxy-coated rebar under seismic, creep and tensile loading. Previous testing of ; dowel bonding materials for use in hardened concrete was performed on plain rebar, raising the question of their ; performance on epoxy coated rebar. ; The epoxy-coated rebar was found to meet the requirements of ICBO-AC58, Section 5.3.7.2.4, ; “Conditions of Acceptance” for tension and seismic loading when bonded into hardened concrete using an epoxy ; adhesive. However, the epoxy-coated rebar did not meet the requirements of the Caltrans ; Augmentation/Revisions to ICBO-AC58, Section 5.3.3.2, “Conditions of Acceptance” for creep loading when ; bonded into hardened concrete. The rebar bonded with Covert Operations CIA-Gel 7000 was found to meet the ; creep requirements, whereas the rebar bonded with Simpson SET22 and Red Head Epcon C6 did not meet the ; conditions of acceptance for creep loading. ; It was also noticed that, when compared to the manufacturer test data, the epoxy-coated rebar ; outperformed uncoated rebar in allowable tensile loads for two of the three epoxies tested. Simpson SET22 ; adhesive under performed the manufacturer test data. Revision (2007): Upon further review of the creep data for ; the rebar bonded with Simpson SET, it was determined that the adhesive met the creep requirement. Due to the ; load fluctuations, only the first 26 days of data were used for the logarithmic curve fit.
  • Format:
    PDF
  • Funding:
    F 01 IR 25
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/27692/dot_27692_DS1.pdf
  • File Type:
    Filetype[PDF - 2.31 MB]
  • Collection(s):
    US Transportation Collection
  • Main Document Checksum:
    urn:sha256:2e8474cb6d9361d524e007ba25b55713d252242dcb1e7c9baaaa440cf223ffff
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