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... 1 S U M M A R Y High-Performance/High-Strength Lightweight Concrete for Bridge Girders and Decks Background Use of high-strength prestressed concrete girders and high-performance bridge decks has become accepted practice by many state highway agencies because of their technical and economic benefits. These girders and decks are generally constructed with concrete made with natural normal weight aggregates.
From page 2...
... 2Overview of the Project The research performed in this project began with an extensive literature review and practitioner survey conducted as Phase I of the project. Results of the literature review and practitioner survey are provided in Attachments C and D, respectively (available by searching for NCHRP Report 733 on the TRB website)
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... 3 • On average, the modulus of rupture of the lightweight concrete ranged from 0 26.

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