Tuesday, May 29, 2012

What is the Shear on Connectors?

We take the smaller value out of these two conditions to calculate the total horizontal shear which is to be to be resisted by the shear connectors in building construction
Vh= 0.85f‘cAc/2
Vh=As Fy/2
Vh = Total horizontal shear, kip (kN), between maximum positive moment and each end of steel beams (or between point of maximum positive moment and point of contraflexure in continuous beam)
f‘c= Specified compressive strength of concrete at 28 days, ksi (MPa)
Ac = Actual area of effective concrete flange in inch2(mm2)
As = Area of steel beam in inch2(mm2)

In continuous composite construction, the total horizontal shear, kip (kN), between an interior support and each adjacent point of contraflexure should calculated by

Vh = AsrFyr/2

Asr= Area of longitudinal reinforcement at support within effective area in ich2(mm2 );
Fyr= Specified minimum yield stress of longitudinal reinforcement, ksi (MPa).


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