On a clear winter night the ambient air is reported to be at 10 c while the night sky temperature is 100 k.
The roof of a house consists of a 3 cm thick concrete slab.
The convection heat transfer coefficients on the inner and outer surfaces of the roof are 5 and 12 w m2 c respectively.
Concrete compressive strength fc 3 ksi.
1 conduction sheet 3 1 the roof of a house consists of a 3 cm thick concrete slab k 2 w m c that is 15 m wide and 20 m long.
The roof of a house consists of a 22 cm thick concrete slab k 2 w m k that is 15 m wide and 20 m long the emissivity of the outer surface of the 1 roof is 0 9 and the convection heat transfer coefficient on that surface is estimated to be 15 w m 2 k.
The roof of a house consists of a 15 cm thick concrete slab k 2 w m k that is 15 m wide and 20 m long the convection heat transfer coefficients on the inner and outersurfaces of the roof are 5 and 12 w m 2 k respectively.
The roof of a house consists of a 15 cm thick concrete slab k 2 w m c that is 15 m wide and 20 m long.
On a clear winter night the ambient air is reported to be at 10 c while the night sky temperature is 100 k.
Design the roof slab beam and column of house given in figure 1.
Slabs s1 and s2 to be designed.
2 thick brick tile.
Steel yield strength fy 40 ksi.
The rest of the slab is 4 or 6 inches thick.
The convection heat transfer coefficients on the inside and outside surfaces of the roof are 5 and 12 w m k respectively.
The inner surface of the roof is maintained at 15 c.
Live load 40 psf figure 1.
A 4 or 6 inch layer of gravel lies beneath the slab.
The convection heat transfer coefficients on the inner and outer surfaces of the roof are 5 and l w m 2 k respectively.
A 4 millimeter sheet of plastic lies between the concrete and the gravel to keep moisture out.
On a clear winter night the ambient air is reported to be at 10 c while the night sky temperature is 100 k.
The roof of a house consist of 15 cm thick concrete slab k 2 0 wm k that is 15 m wide and 20 m long.
The ambient air is reported to be at 10 c while the night.
The roof of a house consists of a 3 cm thick concrete slab k 2 w m κ that is 15 m wide and 20 m long.
The convection heat transfer coefficients on the inner and outer surfaces of the roof are 5 and 12 w m2 c.
The roof of a house consists of a 15 cm thick concrete slab k 2 w m k that is 15 m wide and 20 m long.
On a clear winter night.
The convection heat transfer coefficients on the inner and outer surfaces of the roof are 5 and 12 w m2 c respectively.
On a clear winter night the ambient air is reported to be at 10 c while the night sky temperature is 100 k.