slab28-s4
DESCRIPTION
slab28-4TRANSCRIPT
DESIGN OF SLAB
Project: Project1
INPUT DATA
1 Slab Number S4
2 Concrete Grade fck = 20 N/mm2
3 Steel Grade fy = 415 N/mm2
4 Short Span Lx Lx = 3.75 M
5 Long Span Ly Ly = 4.50 M
6 Thickness of Slab T = 120 mm
7 Cover to reinforcement Cc = 20 mm
8 Live Load 3.00 kN/m2
9 Finish Load 1.00 kN/m2
10 Type of Slab Panel
Load
1 Self weight of slab Sw = 3.00 kN/m2
2 Live Load LL = 3.00 kN/m2
3 Finish Load FL = 1.00 kN/m2
4 Misc Load ML = kN/m2
1 Total Factored Load L = 10.50 kN/m2
DESIGN
Ratio of Long Span to short span Ly/Lx = 1.20
Co eff BM k pt Ast Dia Spacing d
Span X 0.032 4.73 0.524 0.150 144.0 10 300 95
Span Y 0.024 3.54 0.490 0.140 144.0 10 300 85
Support X 0.043 6.35 0.704 0.203 193.3 10 300 95
Support Y 0.032 4.73 0.654 0.189 160.3 10 300 85
Check depth for Max Bending Moment 47.96 mm
Min Effective Depth Provided 85.00 mm
Min Ast required 0.12% 144.00 mm2
DEFLECTION CHECK
Reinforcement provided at Mid Span X 270.8 mm2
Stress in reinforcement Fs 127.98
Percentage of Reinforcement provided 0.285 %
Modification Factor 2.000
Permisible L/d 52.00
Actual L/d 39.47
Depth required for Deflection control 72.12
10
29
0
10290 10290
T10@290 S4 T10@290
10290 10
29
0
Internal Panels:
T1
0@
29
0
T10@290
T1
0@
29
0T
10
@2
90
120mm Thick
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