One Way Slab1
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Design of one way slab Length (shorter Span) No. of Span SDL Live Load No. of strand
11 m 2 Nos 2 kN/m² 4 kN/m² 5S
(5s/4s/3s)
Based on deflection: Min Req. Slab Thk Provided Slab Thk Loading Calculation:
275 mm 250 mm
Self wt. of slab
6.25 kN/m²
(SDL + LL )
6 kN/m²
Total Load
12.25 kN/m²
Factored Load
18.38 kN/m²
Moment Calculation:
Stress Calculation:
α Positive Bending Moment
0.1 222.34 kNm/m
Area of Pt(Aps)
660.34 mm² .
Req. Cable Spacing
747.34 mm
Provided Cable Spacing
Unfactored Moment (M) P A Z e
148.23 kNm/m 558 kN 150000 mm² . 6250000 mm³ 82 mm
600 mm P/A + Pe/Z - M/Z -3.19 N/mm² P/A - Pe/Z+ M/Z 10.63 N/mm² Additional Reinforcement is not Required. Provide minimum Reinforcement
Hence Safe -154.45 mm² ( If Negative value Comes no need to proceed further) Dia of Bar Using 8 mm Spacing Req -325.45 mm Spacing Provided 125 mm
Design of one way slab Length (shorter Span) No. of Span SDL Live Load No. of strand
11 m 2 Nos 2 kN/m² 4 kN/m² 5S
(5s/4s/3s)
Based on deflection: Min Req. Slab Thk Provided Slab Thk Loading Calculation:
275 mm 250 mm
Self wt. of slab
6.25 kN/m²
(SDL + LL )
6 kN/m²
Total Load
12.25 kN/m²
Factored Load
18.38 kN/m²
Moment Calculation:
Stress Calculation:
α Positive Bending Moment
0.1 222.34 kNm/m
Area of Pt(Aps)
660.34 mm² .
Req. Cable Spacing
747.34 mm
Provided Cable Spacing
Unfactored Moment (M) P A Z e
148.23 558 kN 150000 mm² . 6250000 mm³ 82 mm
600 mm
P/A + Pe/Z - M/Z -3.19 N/mm² P/A - Pe/Z+ M/Z 10.63 N/mm² Additional Reinforcement is not Required. Provide minimum Rein Hence Safe -154.45 mm² ( If Negative value Comes no need to proceed further) Dia of Bar Using 8 mm Spacing Req -325.45 mm Spacing Provided 125 mm
kNm/m
d. Provide minimum Reinforcement
ceed further)
11 m 2 Nos 2 kN/m² 4 kN/m² 5S
(5s/4s/3s)
Based on deflection: Min Req. Slab Thk Provided Slab Thk Loading Calculation:
275 mm 250 mm
Self wt. of slab
6.25 kN/m²
(SDL + LL )
6 kN/m²
Total Load
12.25 kN/m²
Factored Load
18.38 kN/m²
Moment Calculation:
Stress Calculation:
α Positive Bending Moment
0.1 222.34 kNm/m
Area of Pt(Aps)
660.34 mm² .
Req. Cable Spacing
747.34 mm
Provided Cable Spacing
Unfactored Moment (M) P A Z e
148.23 kNm/m 558 kN 150000 mm² . 6250000 mm³ 82 mm
600 mm P/A + Pe/Z - M/Z -3.19 N/mm² P/A - Pe/Z+ M/Z 10.63 N/mm² Additional Reinforcement is not Required. Provide minimum Reinforcement
Hence Safe -154.45 mm² ( If Negative value Comes no need to proceed further) Dia of Bar Using 8 mm Spacing Req -325.45 mm Spacing Provided 125 mm
Design of one way slab Length (shorter Span) No. of Span SDL Live Load No. of strand
11 m 2 Nos 2 kN/m² 4 kN/m² 5S
(5s/4s/3s)
Based on deflection: Min Req. Slab Thk Provided Slab Thk Loading Calculation:
275 mm 250 mm
Self wt. of slab
6.25 kN/m²
(SDL + LL )
6 kN/m²
Total Load
12.25 kN/m²
Factored Load
18.38 kN/m²
Moment Calculation:
Stress Calculation:
α Positive Bending Moment
0.1 222.34 kNm/m
Area of Pt(Aps)
660.34 mm² .
Req. Cable Spacing
747.34 mm
Provided Cable Spacing
Unfactored Moment (M) P A Z e
148.23 558 kN 150000 mm² . 6250000 mm³ 82 mm
600 mm
P/A + Pe/Z - M/Z -3.19 N/mm² P/A - Pe/Z+ M/Z 10.63 N/mm² Additional Reinforcement is not Required. Provide minimum Rein Hence Safe -154.45 mm² ( If Negative value Comes no need to proceed further) Dia of Bar Using 8 mm Spacing Req -325.45 mm Spacing Provided 125 mm
kNm/m
d. Provide minimum Reinforcement
ceed further)
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