810111718

5.500.00

Number of risers : 9

Y1 : 1.50 m

Y2 : 0.25 m

Y3 : 1.50 m

X1 : 1.50 m

X2 : 2.75 m

X3 : 1.25 m

Minimum Thickness of Slab : 0.16 m

Top elevation : +1.50 m

Bottom elevation : +0.00 m

SECTIONS

ANALYSIS A-A

ANALYSIS B-B

DESIGN

DRAWINGS

+1.50+0.00

18

1

17

2

11

8

10

9

A A

0.25

1.50

1.50

3.25

5.50

1.50 2.75 1.25

BB

STAIRCASE PLAN

Y2Y3

Y1

X1 X2 X3

STAIRCASE Analysis and Design 1.0

SECTIONS

Length of run = 0.31 m

Height of riser = 0.17 m

1.50

0.31

0.17

0.16

DETAIL - C

21

3.25

1.500.251.50

0.16

SECTION B - B

+1.50

+0.00

1.50

SECTION A - A

C

11

11

ANALYSIS A-A

Shear

Loading

Moment

Axial

ANALYSIS A-A

Dead Load G1 :

Dead Load G2 :

Gf :

Live Load Q :

Qf :

(1.4G + 1.6Q)1 :

(1.4G + 1.6Q)2 :

L1 :

L2 :

L3 :

L :

Ay :

By :

N1 :

N2 :

V1 :

V2 :

V2' :

V3 :

V3' :

V4 :

M1 :

M2 :

Mmax :

-56.71-31.77

-27.89

32.1536.62

57.40

Shear

16.63

21.83

16.63

56.7

1

57.4

0

Loading3.13

66.36

58.76

Moment86.65

1.50 2.75 1.25

-15.2117.53

Axial 1.46

1.68

1.46

1.68

7.88 kN/m L-L1/2 : 5.13 m

11.59 kN/m L-L1-L2/2 : 2.82 m

1.40 L-L1-L2-L3/2 : 0.63 m

3.50 kN/m P1L1 : 24.94 kN

1.60 P2L2 : 68.39 kN

P1L3 : 20.78 kN

16.63 kN/m

21.83 kN/m x : 1.46 m

L-x : 1.68 m

1.50 m

3.13 m

1.25 m

5.88 m

56.71 kN

57.40 kN

-15.21 kN

17.53 kN

-56.71 kN

-31.77 kN

-27.89 kN

36.62 kN

32.15 kN

57.40 kN

66.36 kNm

58.76 kNm

86.65 kNm

ANALYSIS B-B

24.74

-40.20

40.2

0

Shear

Moment

Loading

Dead Load G : 13.67 kN/m

Gf : 1.40

Live Load Q : 3.50 kN/m

Qf : 1.60

(1.4G + 1.6Q) : 24.74 kN/m

L : 3.25 m

Ay : 40.20 kN

By : 40.20 kN

Va = -Ay : -40.20 kN

Vb = By : 40.20 kN

Mmax : 65.33 kNm

24.74

65.33

-40.20

40.20

3.25

40.2

0

DESIGN

SECTION A - A

f'c : 30.00fy : 420.00cc : 20

Mmax : 86.65d : 140b : 1500K : 0.098z : 0.88

calc As : 1694Min As : 312

As : 1694As.dist : 339

Bars :Diameter ①②③④ : Φ14

Area : 154Number : 11Spacing : 13

Length ① : 200Length ② : 495Length ③ : 169Length ④ : 157

Diameter ⑤ : Φ8Area : 50

Number : 6Spacing : 16

Length ⑤ : 174

SECTION B - B

MPa f'c : 30.00 MPa

MPa fy : 420.00 MPa

mm cc : 20.00 mm

kNm Mmax : 65.33 kNm

mm d : 140 mm

mm b : 1500.00 mm

Ok K : 0.074 OkOk z : 0.91 Ok

mm2 calc As : 1277 mm2

mm2 Min As : 312 mm2

mm2 As : 1277 mm2

mm2

mm Diameter ⑥ : Φ12 mm

mm2 Area : 113 mm2

Number : 11cm Spacing : 13 cm

cm Length ⑥ : 349 cm

cm

cm

cm

① 11Φ14/13 L = 200 cm.

mm ② 11Φ14/13 L = 495 cm.

mm2 ③ 11Φ14/13 L = 169 cm.

④ 11Φ14/13 L = 157 cm.

cm ⑤ 18Φ8/16 L = 174 cm.

cm ⑥ 11Φ12/13 L = 349 cm.

DRAWINGS

SECTION A - A

SECTION B - B

1

2

11Φ14/13 L = 200 cm.

11Φ14/13 L = 495 cm.

X

X

1

2

5

6

1YY

2

6

6

11Φ12/13 L = 349 cm.

11Φ12/13 L = 349 cm.

3

4

11Φ14/13 L = 169 cm.

11Φ14/13 L = 157 cm.

2

5SECTION X - X

5

18Φ8/16 L = 174 cm.

X

3

4

6

5

6

2

1

SECTION Y - Y

6

11Φ12/13 L = 349 cm.