Question: F 1 - 1 5 . Determine the maximum average shear stress developed in each 3 / 4 - in . - diameter bolt. R

1 - 15 .

Determine the maximum average shear stress developed in each

3 / 4 -

. -

diameter bolt.

1 - 5

: A circular plate of diameter

120

mm and thickness

10

mm is placed over a circular hole of diameter

60

mm in the ground. A circular shaft of diameter

50

mm sits on top of the plate and has a force of

40

kN pressing down on it as shown below.

Determine the average punching shear stress that the circular shaft creates in the circular plate if it 'punches' through the plate creating a circular hole of

50

mm diameter in the plate.

Also determine the average bearing stress developed between the plate and the ground it is resting on

.

Assume all stress distributions are uniform over the areas they are acting on

.

F 1 - 1 5 . Determine the maximum average shear

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