Project : Title : Column Design

Location :

Date : Ref No. :

Prepared By : Checked By :

DESIGN CALCULATIONS

Reference Code: NSCP 2010 Vol. 1

Parameters

1. Section

h 400mm:= b 400mm:= ln 3.5m:=height; width of column;clear span

cc 75mm:=concrete cover

2. Reinforcements

db 16mm:= dbt 10mm:= nlegs 2:= main, trans. reinf. diameter; no. of legs

3. Material strengths

f'c 21MPa:= fy 414 MPa⋅= fyt 275 MPa⋅= comp. strength of conc; yield strength of

main reinf.

4. Transverse reinforcement

lo max max h b, ( )1

6ln⋅, 450mm,

:= lo 583.333 mm⋅= minimum length S421.6.4.1

So hx h 2cc 2dbt+( )−←

So' min1

4min h b, ( ) 6db, 100mm

350mm hx−

3

+,

←

Floor So' 25mm, ( ) 100mm So'< 150mm<if

100( )mm So' 100mm<if

150mm( ) So' 150mm>if

:= spacing of transverse reinf. S421.6.4.3

So 100 mm⋅=

5. Vertical Spacing of ties

Svert min 16db 48dbt, min b h, ( ), 150mm, ( ):= S407.11.5.2, S421.6.4.5

Svert 150 mm⋅=