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[CIVIL] What is the anchorhead diameter (dh) in the Bearing Property used for?

Question

What is the anchorhead diameter (dh) in the Bearing Property used for?

 

Answer

The anchorhead diameter (dh) is used to calculate the bearing area (Abrg) in the bearing tension review.

It is not applicable to all installation types and anchor types, and is applied to the bearing area as shown in the figure below when applying Headed Stud and Headed Bolt among Cast In Place anchors.


Abrg = π*dh2 /4 - π*da2 /4

dh : 앵커의 헤드직경

da : 앵커의 지름

인장을 받는 앵커의 뽑힘 검토

인장을 받는 앵커의 콘크리트 측면 파열 검토

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