Field investigation of in-service performance of concrete bridge decks in Pennsylvania

Amir Manafpour, Travis Hopper, Farshad Rajabipour, Aleksandra Z. Radlinska, Gordon Patrick Warn, Parisa Shokouhi, Dennis Morian, Shervin Jahangirnejad

Research output: Contribution to journalArticle

Abstract

The results of an expert survey and field investigation of early-age bridge deck cracking in the Commonwealth of Pennsylvania are summarized in this paper. The goal was to use field data to identify factors that contribute to or reduce early-age cracking in concrete bridge decks and to assess the effect of cracks on the long-term durability of bridge decks. First, a survey of 71 employees of the Pennsylvania Department of Transportation (DOT) was conducted to collect and document their experience with early-age cracking and its relationship to long-term deck performance. Next, inspection data from 203 bridge decks were collected and analyzed to evaluate the effect of concrete mixture proportions and properties, construction methods, and rebar type on the propensity of the bridges to experience early-age deck cracking. The Pennsylvania DOT supplied inspection data for 40 older bridge decks and initial (after construction) inspection data for 163 new bridge decks. The results suggest that limiting the total cementitious materials content (e.g., to 620 lb/yd 3 ) and the maximum compressive strength (e.g., to 5,000 pounds per square inch at 28 days) is advisable to reduce deck cracking. In addition, epoxy-coated rebar showed good corrosion resistance, even in cracked concrete.

Original languageEnglish (US)
Pages (from-to)1-7
Number of pages7
JournalTransportation Research Record
Volume2577
DOIs
StatePublished - Jan 1 2016

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Bridge decks
Concrete bridges
Inspection
Concrete mixtures
Compressive strength
Corrosion resistance
Durability
Personnel
Concretes
Cracks

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Mechanical Engineering

Cite this

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Field investigation of in-service performance of concrete bridge decks in Pennsylvania. / Manafpour, Amir; Hopper, Travis; Rajabipour, Farshad; Radlinska, Aleksandra Z.; Warn, Gordon Patrick; Shokouhi, Parisa; Morian, Dennis; Jahangirnejad, Shervin.

In: Transportation Research Record, Vol. 2577, 01.01.2016, p. 1-7.

Research output: Contribution to journalArticle

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