How many rods in the column required for residential buildings?

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For the 9” x 9” column, we need a minimum of 4 nos of 12mm rod is required with a 6mm or 8mm ring of spacing 5’ to 6” column required for residential buildings.

No of rods in column are calculated by various factors. It is necessary to consult a structural engineer before proceeding a building.

The structural drawing is necessary to proceed with the construction process. Before starting the structural drawing, we need a floor plan. After the floor plan is finalized, elevation design is required. Structural engineers will analyze the drawing a suggest an RCC Structure.

A Structural drawing has the following drawings,

Footing Drawing

10'—1 "
F3
FOOTING-F3
10'—1 •
5
10'—0"
16'—o•
YlO-5•c/C
BOTHWAYS
F4
YlO-5"C/C
BOTHWAYS
4.
5.
8
Il.
12
13.
14.
15.
1. T}-BS DR"NG BE READ CONa.NCTm ALL
RELEVANT ARCHITECTURAL STRUCTURAL OTHER m,1CE
DRANNGS DISCREPANCY NOTICED *ALL BE
THE THE COISJLTÅ*TS AN) RESmVED PRm
TO
G•ode of R.C.C ite•ns "l be "30 fw
"25 f« dl Othe R.C.C
Y Denotes Ste "frmhg to
IS 1786 - 1985.
&ode — Fe 5m
Gear to the
50 f« Footmgs , Raft gabs & Raft Bean
40 fr Cünns.
25 fr Lhtd & Buns.
20 for &
L. %gth be 50 d ( "ax. da ) fr bas.
Bottom Rehforcanent
7. R&fcrcerrmt
Provi& Cmthuws to keep
tq Renforcemmt positim
Provi& Y 8 at 2m as Distrbutbl steel fw
* fa•wnent.
to be Betwem T" Lams
Of Rehfwcenmt of Dia at Eve•y C/ C.
Not mue Of Rehf«canmt be
Lqed at my prtzula pnction.
not be rdeæed
the roof is cmcreted.
is Two only.
SC is 150 Wm2 at 2m soa
NGL
Removal Of fn"ks :
a. SÖs upto m ( 15'—O• ) — 7 dap
m ( IS—$ ) — 14 dap
i) Fa- md Arches :
Buns md 6 m (W—o•)
d. Beans md Echo o. 6 m (Wd)
28-10-2019
BOTHW YS
FOOTING-F5
TIE
5THK,p.C.C
6THK.SAND
BEAM
NGC
GRAVEL MIX FILLING(TYP)
PROPOSED RESIDENTIAL BUILDING
FOR MR. YUVARAJ AT
ROYAPEffAH, CHENNAI.
FOOTING DETAIL
M CDT-IANKUIV[AR
No. , F iEt Amiethku Stop,
- 600 099.

Column line drawing

10'—14-
PCI— —Ô.CZ—
10'—0" o'
Y16
Y8—TlES 0 8•C/C
COL-C3
c
Y16+2—Y12
Y8—TIES 0 8-C/C
2.
3.
4.
5.
6.
8.
9.
IO.
12
lă
14.
NS SHALL BE IN MTY ALL
RELEVANT ARCHITECWRAL. STRUCTURAL AND OTHER snă
DRAWNGS ANY NOTICED SHALL
ATTENłm (F THE AM) RESQVED PRICR
Geode of R.CC. be f« cdumn
"25 dl RC.C
Y Dmotes Stel to
LS 1786 - 1985.
— Fe
COE to
50 fM FOOthF , Raft & Raft
25 Lite & Beanx
20 & Sab.
d ( Max. 'a ) f« dl bars.
Bott«n RemfYcernmt
Răf«cemmt
Pro"e Conthłms Chairs to km te
Reif«canent
provue Y 8 at as Catrbutim fU
Reinforcanmt.
to be Pro&d Tn Laps
Of Rebf•ycmmt of at Every C/ C.
Not rrWe Of
Lmped at my pnctim
CmtĐe•. not
unti the roof is cmcretd.
Foundation is de*ed fw plus T" flo«
SC as kN/m2 at p«
Remod Of :
I) FM Sos
a. upto 45 m ( 15'—O• ) — 7
b. 4.5 m ( 13—0" ) — 14
i) FU Bea•ns Aróes :
c. Bems md upt0 6 m
d. B.ns md OE 6 m (2C—O")
DATE
NTS
28-10-2019
PROPOSED RESIDENTIAL BUILDING
FOR MR. YUVARAJ AT
ROYAPETAH, CHENNAI.
COLUMN DETAIL
M OT-IANIKUIVTAR
No Stop,
Cl—i - 600 099 _

Plinth beam drawing

Yd—STP o e"c/c
Y8—STP O S•C/C
10'—1 "
C.S OF TBI
(EXTRA)
o'
SEC. FOR
STP 0 8•C/C
Yd-STP o e•c/c
L.s OF TB3
Y8—4
STP
c
6
2—Y12
0 7•c/c
Y8—STP
2—Y12
STP O Cc
STP
(EXTRA)
STP 0
2—Y12
c
2-Y16
(EXTRA)
-STP 0
Eiii i i it#iii iiii
Y8—STP 6"C/C
c.s op CBI
1. T}-BS DR"NG BE READ CONa.NCTm ALL
RELEVANT ARCHITECTURAL STRUCTURAL OTHER m,1CE
DRANNGS DISCREPANCY NOTICED *ALL BE
THE THE COISJLTÅ*TS AN) RESmVED PRm
TO
G•ode of R.C.C ite•ns "l be "30 fw
"25 f« dl Othe R.C.C
Y Denotes Ste "frmhg to
IS 1786 - 1985.
&ode — Fe 5m
4.
Gear to the
50 f« Footmgs , Raft gabs & Raft Bean
40 fr Cünns.
25 fr Lhtd & Buns.
20 for &
L. %gth be 50 d ( "ax. da ) fr bas.
5.
Bottom Rehforcanent
7. R&fcrcerrmt
8
Provi& Cmthuws to keep
tq Renforcemmt positim
Provi& Y 8 at 2m as Distrbutbl steel fw
* fa•wnent.
to be Betwem T" Lams
Of Rehfwcenmt of Dia at Eve•y C/ C.
Il.
Not mue Of Rehf«canmt be
Lqed at my prtzula pnction.
12
not be rdeæed
the roof is cmcreted.
13.
is Two only.
SC is 150 Wm2 at 2m soa
14.
15.
Removal Of fn"ks :
a. SÖs upto m ( 15'—O• ) — 7 dap
m ( IS—$ ) — 14 dap
i) Fa- md Arches :
Buns md 6 m (W—o•)
d. Beans md Echo o. 6 m (Wd)
28-10-2019
PROPOSED RESIDENTIAL BUILDING
FOR MR. YUVARAJ AT
ROYAPEffAH, CHENNAI.
TIE BEAM DETAIL
M CDT-IANKUIV[AR
No. , F iEt Amiethku Stop,
- 600 099.

Roof Beam drawing

Slab Details

10'—1 •
10'—1 •
16'—o•
YlO—5'C/C -IT
Sta
10'—o•
/c
SECTION A
(9
'D
1. MIS SHALL READ N ALL
RELEVANT ARC-NIECTLRAL. STRUCTURAL AND OTt•ER SERIACE
DRAPGS. ANY MSCæPANCY 9--IALL BR(WGHT
THE C(NSJLTANTS AND RESWÆD pmm
TO OF
2
of R.CC. terns be "30 fr column
"25 f« Oth« R.CC "ks
3.
Y Devotes Stee to
IS 1786 - 1985
4.
co•• to mat) Sted
fM , Raft Nabs & Raft Bens.
40 Cdumns.
25 for Lilte & Beans.
20 fM & sm
L. length "l be 50 d ( Max. dia ) for bra
5
6.
Bottcm
Rehforcanent
8.
Prm4de Cmthuotß to kee
top Re&cament in
9.
Pro•ide Y 8 at 200 Sted fw
Re•hfwcernmt.
10.
BIX to be Bet•en Tn Lavs
Of Of at C/ C.
Not awe thm Of R&frcarmt be
at my patictA«
12.
Cmtiewr iou" not be rdeased
the roof cmaeted.
13.
is fw Ground pbs Two flw
SC is 150 kN/m2 at 2m as
14.
RenoW Of
i) For SÖs :
upto 45 m ( ) — 7
b. 4.5 m ( 15'—O• ) — 14 dap
ii) Buns md Arches :
c. md Arties 6 m (20—0') —l "OF
d. Buns md Ardles o. 6 m (W—o•) —21dap
DATE
NTS
28-10-2019
PROPOSED RESIDENTIAL BUILDING
FOR MR. YUVARAJ AT
ROYAPE'I"I'AH, CHENNAI.
GROUND FLOOR ROOF SLAB DETAIL
No _ , First Amd2thku Bus Stop ,
- 600 09"

Sections

Column

Beam

Slab

Foundation

Position of RCC Sump and Septic Tank

Column required for residential buildings?

For residential building, we regularly use

9” x 9” column

1′ x 9” column

The depth of the column is usually a 9” beam because the size of the brickwork is 9”. So, it will get aligned with the brickwork.

In the 9” x 9” column, 4 nos of 12mm rod is required.

For 1′ x 9” column, 6 no’s of 12mm rod is required.

This is just a guideline alone. This is the minimum quantity required.

To know the exact quantity, we have to calculate the following,

Dead load of the structure

Live load

Wind load

Seismic load

Bending moment.

If the span between the column is more, we have put big beams. When the span is more, depth of the beam will be more.

For the beam, minimum 9” depth is required up to 10’ span.

For the roof slab, a minimum of 4.5” is required. If the span is more, the depth of the roof slab should also be more.

To learn more about the RCC works click the link below.

RCC Beam

RCC Slab

Please find the sample structural drawing below. It is a structural drawing for a 1000 sqft house.

To check for the eligibility to get building approval for your property – Click here.

If you are eligible, also check the cost of construction approval – Click here.

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Elevation image by Mohankumar Constructions

Architecture

2000 Sqft house design

This site is located in Chennai – Kolathur and is north facing. Dimension of the property is 30′ x 70′. Site has neighbourhood and house

September 14, 2023 No Comments

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Jayakani house , chennai – Building Information Architectural firm: Mohankumar constructions pvt.ltd – https://mohankumar.construction/contact/ Typology: ResidentialName of Project: Kani’s HouseLocation: Karanai Name of Client: Mr.Jayakani

July 8, 2023 No Comments

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Vinod house , chennai – Building Information Architectural firm: Mohankumar constructions pvt.ltd – https://mohankumar.construction/contact/ Typology: ResidentialName of Project: Vinod HouseLocation: Mambakkam Name of Client: Mr.