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Lap splices of different bar size for slab top bars in tension 1

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aquacata

Structural
Aug 4, 2006
23
US
Question:

Over slab support, the negative top bars are #7. In the mid of span, the continuous top bars are #4. For continuity, they need lap splices. I want to know if the splice length is based on larger diameter or smaller diameter of bars. ACI 318 doesn't specify this for different sizes of bars in tension. Thanks a lot!
 
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