quiz 2
Precast concrete is a material that is used for fabricating driven piles:
true
false
The main difference between a driven pile and a bored pile is:
Bored piles are hammered into the ground.
Bored piles have a hole drilled first, then they are cast into the ground, insitu.
Driven piles use an auger drill that drives into the ground, creating a hole. The pile is then cast insitu.
Driven piles are hammered into the ground.
How is a GROUND BEAM different to a STRIP FOOTING?
They are not different. A ground beam is essentially another name for a strip footing since they provide the same function.
A ground beam supports point loads, where a strip footing supports uniformly distributed loads.
Both are foundation systems, but a ground beam spans across tops of piles, where a strip footing transfers loads directly to solid bearing ground.
Both are foundation systems that must be used when the solid bearing strata is deep in the ground.
The primary function of a PILE CAP is to act as a shallow pad foundation pad that is located directly under a column, and the pad is in contact with solid bearing soil:
true
false
Look at the image above and select the answer that correctly states which type of pile is shown.
A is a bored pile. B is a friction pile.
Both piles are driven piles.
A is a friction pile. B is a bored pile.
Both piles are bored piles
Piles can be classified by:
Method of transmission
Method of installation.
Method of displacement.
Method of replacement
Friction piles are:
A form of end-bearing pile that transfer building loads through the base of the pile.
A form of driven pile and transfer building loads through the sides of the pile.
The same as a Franki Pile.
Classified by the depth of the hole that is drilled.
When talking about basement retaining walls, the soil located above the ANGLE OF REPOSE creates no load on the retaining wall:
true
false
. Select two disadvantages of using driven piles.
They can be noisy during installation.
They are much larger than bored piles.
Piles can only be fabricated from precast concrete
Piles can become damaged during installation.
This image shows:
A standard pile boring drill.
A complete pile boring rig.
A continuous flight auger.
None of these answers is correct
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