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Single and Double Shear

Equation

(Eq1) ave =F

Asingle shear

(Eq2)ave =

F

2A double shear

Nomenclature

shear stress

F force

A cross-sectional area of bolt

Single Shear

If plates A and B are connectedby boltC, shear will take place in bolt C in plane DD'. The bolt is in single shear. To

determine the average shearing stress in the plane, free-body diagrams of bolt Cand of the portion of the bolt locatedabove the plane is drawn. Observing that the shearP= F, it can be concluded that the average shearing stress is:

(Eq1) ave =

P

A =

F

A

Double Shear

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8/22/2019 EngArc - L - Single and Double Shear

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8/2/13 EngArc - L - Single and Double Shear

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If splice platesH

andJ

are used to connect platesE

andG

, shear will take place in boltsK

andL

in each of the twoplanes MM'and NN'. The bolts are in double shear. To determine the average shearing stress in each plane, free-body

diagrams of bolt L and of the portion of the bolt located between the two planes is drawn. Observing that the shear P in

each of the sections is P= F/2, it can be concluded that the average shearing stress is:

(Eq2) ave =P

A=F/2

A=

F

2A

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any presented material herein is static. The material is constantly subject to change for the purpose of maximizing the ability of the learner to

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