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Development of Lap Splices Using Headed Reinforcement

Ledesma, Antonio L

2000

Recent progress in the fabrication of headed reinforcement provides opportunities for simplifying some details common to bridge structures. This study focused on the use of headed bars in lap splicing applications. Sixteen tests were evaluated to determine the behavior of unconfined headed bar lap splices. Variables included strength of staggered splices vs. adjacent splices, head size, head shape, bar spacing, lap length, and bar size. Conclusions were made concerning each variable and a model is proposed to determine the capacity of the lap splice.

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