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c = 25 mm fy = 460

fcu = 25 fyv = 250

T = 270 mm Finishes = 0.5

R = 168 mm LL = 2.0

h = 250 mm

L = 7200 mm OK = 1385 =

Landing , = 1000 mm = 2011 ==

#$ai% f&igh$, = 6200 mm = 600

'L"d()asic = 20

Reinforcement: OK

* = 106.59 +m

V, F = 5-.52 + OK

ve%age T = 378.4444 mm * = 106.5- * = 83.028

/ f&igh$ = 16.61573 +"m &eng$h

/ Landing = 12.3 +"m &eng$h 1 = 55.80 F = 115.3

2 = 5-.52

Project : # '#*9(

Staircase Design - #T: 1

) = 1000 mm c = 25 mm

h = 250 mm fcu = 25

ia a% = 16 mm fy = 460

d = 217 mm fyv = 250

* = 106.6 +m

+ = 0.0-1 ; 0.156 = #ing&e Reinf

7/25/2019 RC Staircase Design

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c = 25 mm fy =

fcu = 25 fyv =

T = 250 mm Finishes =

R = 165 mm LL =h = 100 mm

L = 2250 mm B =

Landing , = 0 mm =

#$ai% f&igh$, = 2250 mm =

'L"d()asic = 26 L$"L = 1

* = 7.10 +m

V, F = 31.00 + B

ve%age T = 202.3165 mm * =

/ f&igh$ = 13.8-784 +"m &eng$h

/ Landing = 10.46 +"m &eng$h 1 =

2 =

Project :

Staircase Design -

) = 1000 mm c =

h = 100 mm fcu =

ia a% = 10 mm fy =d = 70 mm fyv =

* = 7.1 +m

+ = 0.058 ; 0.156 = #ing&e Reinf

7/25/2019 RC Staircase Design

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Deflection :

L = 2250 mm

#$ai% f&igh$, = 2250 mm

'L"d()asic = 2-.-

= 1.45fs = 124.5-

fu$$ = 1.80 ;2.0

L"Ls = 1.15

'L"d(a&& = 61.-0

'L"d(ac$ua& = 32.14 ; 61.-0 = OK

Cracking :

3.12.11.2.7 if fy = 460 "mm2 and h ; 200 mm

?a%a+ )e)as iin an$a%a $e$u&ang = 3d

3d = 210 mm

:&ea% #@a = 115 mm = OK

*")d2

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250

250

0.5

4.0

501 = 130

628 == C 10 ! 125 mm c"c

240 R 10 ! 200 mm c"c

R 10 ! 327 mm c"c

B

8.7- * = 7.03577- Ld F

15.64 F = 31.27013 1

15.64

25 mm

25

250250

125 mm c"c

200 mm c"c

"mm2

"mm2

"mm2

"mm2

mm2 s min mm2

mm2

mm2

"mm2

"mm2

"mm2

7/25/2019 RC Staircase Design

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