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WorksheetsCAST-IN-PLACE CONCRETE COVER
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
concrete cast against & permanently exposed to earth
a)
75mm
b)
50mm
c)
40mm
d)
20mm
2.
exposed to earth or weather: Ø20mm - Ø36mm bar
a)
75mm
b)
50mm
c)
40mm
d)
20mm
3.
exposed to earth or weather: Ø16mm, MW200 or MD2OO or smaller
a)
75mm
b)
50mm
c)
40mm
d)
20mm
4.
not exposed to weather: slabs, walls, joists
Ø42mm & 58mm bar
a)
75mm
b)
50mm
c)
40mm
d)
20mm
5.
not exposed to weather: slabs, walls, joists
Ø36mm bars or smaller
a)
75mm
b)
50mm
c)
40mm
d)
20mm
6.
not exposed to weather: Beams, columns
primary reinforcement, ties, stirrups, spirals
a)
75mm
b)
50mm
c)
40mm
d)
20mm
7.
not exposed to weather: shells, folded plate members
Ø20mm bar & larger
a)
75mm
b)
50mm
c)
40mm
d)
20mm
8.
not exposed to weather: shells, folded plate members
Ø16mm bar, MW300 or MD200 wire & smaller
a)
12mm
b)
50mm
c)
40mm
d)
20mm
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