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Fasteners in Buildings

Fasteners in Buildings

According to AISC, the cross sectional area of of bolts and threaded parts are designed for specified allowable unit tension and shear stresses. In case of seismic loads and wind loads in combination of gravity loads, we increase the allowable stresses by 1/3. Normally in case of direct tension, rivets are not recommended.

Bearing type connections are the most commonly used connection is building construction. In buildings, the allowable bearing stress Fp, ksi (MPa), on projected area of fasteners is
Fp=1.2 Fu
where
Fuis the tensile strength of the connected part in ksi (MPa).

Points to be remembered
1. The distance in the line of force to the nearest edge of the connected part should be at least 1.5d.
2. The center to center spacing of fasteners should be at least 3d.
where d is the fastener diameter

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Kanwarjot Singh

Kanwarjot Singh is the founder of Civil Engineering Portal, a leading civil engineering website which has been awarded as the best online publication by CIDC. He did his BE civil from Thapar University, Patiala and has been working on this website with his team of Civil Engineers.

One comment on "Fasteners in Buildings"

Orhan Ayd?n says:

Would that be possible to reduce the cost of a building by a considerable percent only by using some different types of materials obtained fram around the place where the construction is performed.

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