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Pages 4-5

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From page 4...
... 41.1 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 5...
... 5 5. Preparation of design examples showing the effect of proposed design specification changes on typical superstructure designs.

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