CONDITION EVALUATION OF CONCRETE BRIDGES RELATIVE TO REINFORCEMENT CORROSION. VOLUME 4: DECK MEMBRANE EFFECTIVENESS AND A METHOD FOR EVLUATING MEMBRANE INTEGRITY

An intensive investigation was conducted to evaluate membrane performance and effectiveness. The main objectives of this study were to: develop a nondestructive test method for evaluating the interity of membranes in place; investigate the effectiveness of membranes, relative to chloride barrier properties, as a function of membrane integrity; and evaluate the factors that may affect membrane performance, including membrane type and age, climate, and deicer application rate. A nondestructive methodology using ultrasonic pulse velocity was developed to predict the membrane status. It was found that preformed membrane systems reduce chloride intrusion, when properly installed and overlaid with at least 2.5-in. hot-mix asphalt, which should be kept in a good service condition.

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  • Corporate Authors:

    Strategic Highway Research Program

    National Research Council, 2101 Constitution Avenue, NW
    Washington, DC  United States  20418
  • Authors:
    • Al-Qadi, I L
    • Weyers, R E
    • Galagedera, N L
    • Cady, P D
  • Publication Date: 1992-9

Language

  • English

Media Info

  • Features: Appendices; Figures; References; Tables;

Subject/Index Terms

Filing Info

  • Accession Number: 00624362
  • Record Type: Publication
  • Report/Paper Numbers: SHRP-S-326
  • Files: TRIS, TRB
  • Created Date: Oct 20 1993 12:00AM