Kindly tell me how much extra steel bars are provided in a
RCC roof and distance of bends in different sizes of roofs.
Please also tell me that bars provided in chajja are taken
seperate or main bars or short bars are extended in chajja.
please send me the answer@ suhail_akhter@hotmail.com

Can any colleague send me the steel frame pictures of roofs,
beams, columns, footings, roof bends, door bends etc. I shall
be very gratefull.Suhail_akhter@hotmail.com

find the discharge of water through a horizental
venturimeter having 400mm dia at the inlet main and 150mm
dia at thorat.if the diffrential gauge between inlet and
thorat shows a pressure head of 25cm mercury. assume
coefficient discharge 0.98 and specfic gravity of mercury
as 13.6.

Design a cantilever type retaining wall to retain sand for
4m above the ground. The sand fall slopes at the rate of 1
vertical to 2 horizontal. The weight of sand is 18000 N/m3,
the angle of repose being 30. The safe bearing capacity of
the soil is 200 kn/m2 at 1/25m below the ground level. Use
m 15 concrete mix.

289

Find out the Cutting Length of Closed Hoop 2 Legged Stirrups for Beam as mentioned.
Beam Size :200x300 mm,Nominal cover for all sides :25 mm,8 mm dia. Fe415/500/550.

125

In how many types u can do POP on ceiling and walls(on
which material or by using which material)? b) what is the
difference between dry , oil bound, enamel, acrlyic type of
painting?
2nd :- I have certain queries, please help to solve. a)
length of pile bore is 4m.excavation quantity will be area
* length where area will be pi/4 * dia*dia. Is this right?
b) It is a single reamed pile of 300m dia and reamed dia is
750mm. can any body help me to calculate excavated quantity
of this bulb(reamed section),, concrete quantity in bulb
with showing the formulas to be used?

185

How much of the strength of concrete comes from post-
production curing?