Concrete Floors Flashcards
1
Q
In what 3 situations are suspended concrete slabs or block and beam floors used?
A
Where the ground:
Slopes
Has poor or uncertain bearing capacity
Is liable to volume change (swells and shrinks)
2
Q
What is the purpose of constructional concrete topping?
A
To spread the loads on the floor across the structure.
3
Q
A reinforced concrete floor is typically what thickness?
A
100-300mm
4
Q
The temporary supports for insitu concrete slabs are typically what two materials?
A
Timber or Steel beams and posts
5
Q
In a Pre-cast concrete beam and block floor, the T-Beams are placed at what centres?
A
270mm centres
6
Q
Concrete beams must have a minimum bearing of what?
A
90mm
