October 2022 First Friday Quiz

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First name (as you would like it to appear on your PDH certificate)

Last Name (as you would like it to appear on your PDH certificate)

Which of these is the biggest cause of bridge failure in US?

Vessel Collision

Scour

Snow and salt

Vehicle Overloading

Which of these can be designed by strut and tie design?

Deep Beams

Deep Pile Caps

Deep Foundation walls

All of the above

Which soil is strongest for bridge foundations?

Silty sand

Sandy soil

Clayey soil

Rock

Which of these is the function of cofferdam?

Irrigation

Hydropower

Construction under water

All of the above

Which of these forces is resisted by battered piles?

Dead load

Live load

Wind load

All of the above

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