Constructing Foundations (Leaving Cert Construction Studies): Flashcards
📚Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
Max depth of short-bore pile foundations
Max depth of short-bore pile foundations
4.5 metres below ground level
Stage C of short-bore pile construction
Stage C of short-bore pile construction
Concrete is poured into the drilled cavity
Stage D of short-bore pile construction
Stage D of short-bore pile construction
Steel reinforcement bars pushed through wet concrete
Purpose of steel pegs in setting out
Purpose of steel pegs in setting out
Mark exact locations of all building corners
Four requirements for foundation trench base
Four requirements for foundation trench base
Clean, Dry, Compacted, Level
Why steel reinforcement needed in concrete foundations
Why steel reinforcement needed in concrete foundations
Concrete weak in tension; steel provides tensile strength
Where steel reinforcement positioned in foundations
Where steel reinforcement positioned in foundations
At the base where tensile stresses are highest
Minimum curing time for concrete foundations
Minimum curing time for concrete foundations
Seven days
Total settlement definition
Total settlement definition
Entire building moves downward uniformly, rarely serious
Differential settlement definition
Differential settlement definition
Sections settle at different rates - more problematic