Answer Posted / ronak shah

putcube in compressive testing machine, give pressure 140
kg/sqcm/minute.

strength= load/area

if you want to know the solid cube density. take weight of
cube.
forumala;
density=mass/volume=weight of cube/volume of cube
(0.15*0.15*0.15)

ans gives you density of solid concrete.

if you want wet concrete density then take cylinder 10
liter weight of empty cylinder then fill with concrete

weight of concret/volume of cylinder its gives density of
wet concrete.

Design a cantilever slab to carry a live load of 2000 N/m2. The overhang of the slab is 1.20m. b) A slab over a room is 4.75m x 4.75m. The edges of the slab are simply supported and the corners are not held down. The live load an the slab is 300 Kg/m2. The slab has a bearing of 15cm. On the supporting walls. Design the slab as per Rankine - Grashoff theory. Assume weight of R.C.C. = 2400 Kg/m2.

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