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Anchor reinforcing for shear - strut and tie model

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CDLD

Structural
May 20, 2020
215
Hello,

I am currently building a spreadsheet to design anchor reinforcing for shear in piers according to ACI 318-19.

When designing the diagonal strut component, what Bs and Bc values should be used?
Bs = 0.4 (tension members) and Bc = 1 ? Assuming net uplift in the pier.
Screenshot_2023-01-19_172037_o2mzux.png


The reference shown below (PIP STE0521) is assuming a strut coefficient of 1 with net uplift applied to the pier, which is higher than my assumption.
Is the assumption I am making, Bs = 0.4 incorrect?
Screenshot_2023-01-19_172818_k6yghs.png


Thank you!
 
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