Cement (Leaving Cert Construction Studies): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Most common cement type in Ireland
Most common cement type in Ireland
Portland cement
Chemical reaction: cement + water
Chemical reaction: cement + water
Hydration
Product of heating limestone & clay
Product of heating limestone & clay
Clinker
Temp. to form clinker (°C)
Temp. to form clinker (°C)
~1,450°C
Standard concrete ratio (cement:sand:gravel)
Standard concrete ratio (cement:sand:gravel)
1:2:3
Concrete's ability to be shaped/compacted
Concrete's ability to be shaped/compacted
Workability
Test for concrete workability
Test for concrete workability
Slump test
Slump 0-50mm workability level
Slump 0-50mm workability level
Low workability
Process for optimal concrete strength
Process for optimal concrete strength
Curing
Why steel reinforces concrete
Why steel reinforces concrete
Concrete weak in tension; steel strong in tension