Design Calculation Example Link !new!: Tower Crane Foundation

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): The shear force resulting from wind acting on the crane structure and the dynamic movement of the crane. Overturning Moment (

This is a comprehensive guide and a fully worked example for the design of a Tower Crane Foundation (Gravity Base/Raft Foundation). tower crane foundation design calculation example link

is the friction angle between the concrete base and the soil. The FoS must be greater than 1.5. Step 5: Concrete Structural Design

The pressure exerted on the ground must not exceed the safe allowable bearing capacity ( qallq sub a l l end-sub This public link is valid for 7 days

σmax=V+WpadB×L+6MB2×Lsigma sub m a x end-sub equals the fraction with numerator cap V plus cap W sub p a d end-sub and denominator cap B cross cap L end-fraction plus the fraction with numerator 6 cap M and denominator cap B squared cross cap L end-fraction Wpadcap W sub p a d end-sub is the self-weight of the concrete pad. Ensure Step 3: Stability Against Overturning

Calculated qmax=241.3 kPaCalculated q sub m a x end-sub equals 241.3 kPa Can’t copy the link right now

Lever arm (distance between two bolt rows) = 1 m. Tension force per bolt pair = 4,500 / 1 = 4,500 kN / pair. Per bolt = 2,250 kN. This is too high – thus, increase bolt size or embedment.