one yard of cement will make a 8 x 10 square foot slab at 4 inches thick, that's 80 sq. feet per yard of cement at 4 inches thick.
Brute, manual effort. A sledgehammer or jack hammer are the two most common methods for a cement slab or sidewalk. Roadways need much bigger equipment.
A 40x60x6in slab requires 44.44 cubic yards of cement.
Sounds like a broken line under the slab
A 40'x40'x6" slab requires 29.63 cubic yards of cement.
9' by 18' by 4" thick requires at least two cubic yards.
9 metre2
You will need 6.17 cubic yards of cement.
8.64 cubic yards of cement.
It depends on how deep it is. If it is 6 inches deep, you will need 77 yards.
Brute, manual effort. A sledgehammer or jack hammer are the two most common methods for a cement slab or sidewalk. Roadways need much bigger equipment.
If you mean 115 feet by 17 feet by 4 inches thick, you will need a minimum of 24.14 cubic yards.
Assuming that's 30 ft X 30 ft X 6 inches, you will need 20 cubic yards
28 feet by 32 feet by 6 inches thick requires at least 16.59 Cubic Yards.
You will need 27.6 cubic yards of cement.
You will need at least 9.68 cubic yards of cement.
1.85 cubic yards.
0.86 cubic yards is needed.