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Unclear about ACI318M-14. Section

Unclear about ACI318M-14. Section

Unclear about ACI318M-14. Section

ACI318M-14 section mentions the development length without hook in tension (L1).

Clear spacing or bars being developed or spliced not less than db, clear not less than db, and stirrup or ties throughout ld not less than the code minimum or clear spacing or bars being developed od spliced not less than 2db and clear cover not less than db.
db = nominal diamater of bar, (mm).
ld = development length for deformed bars in tension, (mm).

Other cases of condition-1.

I want to ask about the understanding of condition 1 and condition 2?
Is condition 1 for pile no pull out force pile, and condition 2 to pull out force pile?
Please help for the explanation.

Thank you & Best Regards,

RE: Unclear about ACI318M-14. Section

How do the conditions as stated in that clause relate to Pull Out or No Pull Out?

They are purely related to bar spacing , cover and ties!

RE: Unclear about ACI318M-14. Section

Condition Pull Out Force Pile

Condition No Pull Out Force Pile

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