Foundation Types (Leaving Cert Construction Studies): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
What is the primary purpose of foundations?
What is the primary purpose of foundations?
Transfer loads from buildings to ground
Strip foundation width rule
Strip foundation width rule
3 times wall thickness
Strip foundation depth rule
Strip foundation depth rule
Equal or exceed wall thickness
Load distribution angle in foundations
Load distribution angle in foundations
45-degree angle
When to use raft foundations
When to use raft foundations
Poor soil bearing capacity
Key advantage of raft foundations
Key advantage of raft foundations
Entire building moves as one unit (prevents differential settlement)
When to use pile foundations
When to use pile foundations
Poor surface soil or good strata beneath weak soil
End-bearing piles definition
End-bearing piles definition
Piles driven to solid, high-capacity soil layers
Friction piles definition
Friction piles definition
Piles using friction between pile surface & surrounding soil
Pile positioning restriction
Pile positioning restriction
Cannot be positioned under window/door openings