Effects of Wet Mat Curing Time and Earlier Loading on Long-Term Durability of Bridge Decks: Executive Summary

Sanjaya Senadheera, Phillip Nash

Research output: Other contribution

Abstract

Researchers conducted an extensive literature search, survey of TxDOT districts, and survey of other state Departments of Transportation (DOTs) to determine the state of the art for bridge deck curing, early loading, early age behavior, and durability prediction models. Several concrete mixtures commonly used in regional districts throughout the state of Texas were tested. Each concrete mixture was tested under field conditions within its respective climatic region. Field testing and testing of field collected samples provided information on concrete strength, concrete maturity and permeability. Supplementary laboratory experiments were performed to determine permeability using the salt ponding method, and the rapid chloride penetration test, RCPT. Researchers used the laboratory tests to correlate results with field collected samples and concrete strengths. Both field and laboratory test data were compared with existing models for predicting concrete maturity for various mix de
Original languageEnglish
PublisherTexas Department of Transportation
StatePublished - Mar 1 2007

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