## Internal force of preloaded fasteners, Civil Engineering

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Q. Internal force of preloaded fasteners?

Force in a bolt in a bolted joint relies on the preloading force applied to it at the time of the tightening operation. For example, when preloaded bolt is tightened with a certain force, bolts' internal force would not increase considerably if the external applied force on bolted joint doesn't exceed the preloading force. It looks like the bolt doesn't feel the external applied force and it's not until the external force has exceeded preloading force when a substantial increase ofinternal force of the bolt will take place.

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An intersection has a total entering traffic volume of 42,000 vehicles per day.  During the past three years, there have been a total of 35 reported intersection-related crashes.

#### Compute the negative skin friction of the pile group, A square pile group o...

A square pile group of 9 piles passes by a recently filled up material of 4.5 m depth. The diameter of the pile is 30 cm and pile spacing is 90 cm centre to centre. If the unconfin

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#### How to calculate the diameter of the footing, A circular footing rests on a...

A circular footing rests on a pure clay with qu = 270 kN/m 2 , at a depth of 1.8 m. Verify the diameter of the footing if it has to transmit a load of 720 kN. Suppose the bulk u