how to calculate the steel for rcc slab?
plz tell me the formula for calculating the steel?
Answers were Sorted based on User's Feedback
Answer / devendran chandrasekar
It depends on type of loading on the slab
normally we go for ly/lx ratio after to find out one or two
way slab
depending on the loading condition u can find out IS
456-2000 Code book to
find the rft depends on moment acting on the slab
if it is two way slab provide shear reinforcement on all
four corners
better u can study design of concrete structures in slab
there is
calculation arrived by some model examples
but field condition is difference follow depends on
structural designer
u cannot ask direcly what is the formula for design the slab?
u have to read more book then u know
all...............................
regrds
Devendran
Saif Bin Darwish
Abu Dhabi
Is This Answer Correct ? | 67 Yes | 27 No |
Answer / devendranchandrasekar
using code book to find out is one method is456-2000
sp16
another method is design of rcc slab by limit state method
u refer any author
u check one way or two slab slab
what is ur liveload , dead load , seismic condition and
factor of safety
then u go to table or manual both will be same or it may be
slightly different
dont ask basic questions
Is This Answer Correct ? | 74 Yes | 49 No |
Answer / k.k. gupta
Total iron required is 115 Kg per 100 squire feet.
Is This Answer Correct ? | 55 Yes | 36 No |
Answer / eric ravi
we have thumb rule In column 125 kg/m3, slab 65 kg/m3 footing 75 kg/m3 beam 120 kg/m3
Is This Answer Correct ? | 25 Yes | 7 No |
Answer / kavya purushoth
no of bars=(total area of reinforcement)/area of one steel
bar
Is This Answer Correct ? | 56 Yes | 43 No |
Answer / nirmla
as per drawings and dia. of steel bars used, we can easily calculate the quantity of steel.For this, you should know the weight of different dia. bars per metre length...
Is This Answer Correct ? | 12 Yes | 0 No |
Answer / kitz yosnap
Area of steel(As)= Mu/0.85(Fy)(d-a/2)
or As = p(b)(d)
Is This Answer Correct ? | 17 Yes | 6 No |
Answer / ajit sangale
total concrete qty multiply by 1 to 1.5percent
and then answer multiply by 7850(steel density)
which gives total weight of steel in KG for
concrete
Is This Answer Correct ? | 16 Yes | 6 No |
Answer / luke
The above are to design steel requirments in a slab.
However to calculate amount of steel in a slab u simply need
drawings. A simple assumtion of 10d (i.e:- 10 * diameter )
is ok for bent up calculations.
Is This Answer Correct ? | 12 Yes | 5 No |
Dear concern person his proper formula or proper pattern is only bar bending schedule of steel (BBS of reinforcement) of respectively Column, beam and slab.
But his some many coefficient is follow up.
1. Column - 0.3 MT/ Cum of concrete volume.
2. Beam - 0.15 MT / Cum of concrete volume.
3. Slab - 0.12 MT / Cum of concrete volume.
If any quarry in technical or building construction question,then please contact my Email Id.
Sincerely.
From,
Mr. Ajay Kumar Singh
ajay_singh1967@rediffmail.com
Is This Answer Correct ? | 13 Yes | 6 No |
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