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14 Cards in this Set

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what is the main function of foundations?
transmit loads into the ground
transmit
3 rules with regards to construction
1) have complete geotechnical engineering services performed by an established and reputable geotechnical engineering firm

2) Have a complete design performed by a registered professional engineer, based upon the geotechnical engineering report

3) Construct the foundation as designed and by the application of sound construction practices
2 typeologies of foundations
1) spread types

2) pile types
spread type
perform their work by distributing loads over a sufficiently large area, so as not to exceed the engineering capability of the soil
ex/Slab on grade, Mat, Raft, Footing
pile type
perform their work by taking building loads to soil and going down through troublesome soils by use of tall slender column like members (piers or piles) and take them down to something else capable of receiving and supporting the load
ex/driven or drilled
how do piles transmit loads to ground?
1) point bearing
2) skin friction
3) combinations
driven and drilled piles
load
a force acting in a certain direction and can be quantified into units of measure that we can understand
loads OF a building
expression of weight of the building
Chairs, walls, ceiling systems, and all other components in the building
loads ON a building
forces applied to/on the building
wind, gravity, etc.
driven piles are emplaced by
1) hammer
2) vibratory emplacement
drilled piles are emplaced by
1) boring a hole and inserting a rigid pole

2) boring a hole and reinforcing, and filling with concrete
straight sided or belled/under reamed
pile materials
wood

steal

concrete
drilled piles are emplaced by
1) boring a hole and inserting a rigid pole

2) boring a hole and reinforcing, and filling with concrete
straight sided or belled/under reamed
pile materials
wood

steal

concrete