By: Venu Project: SITE "2P"-"VIB"Date:20-1-05 Client: CCER&D Doc. No.Chd.Rajesh Subject:Design of Slab @ 4.5m LVL(S5)Date:20-1-05 Job No.- Office Dept: Sh. 1 of 1 Rev. No. R0

ONE-WAY WAY SLAB DESIGN

Panel size = 9.20 2.75

= 25

= 500

= 3.35 ONE-WAY= 150 mm

Dead load of the slab = D*25 = 3.75

Floor finishes = 2.00

Live load = 3.00

. = 8.75

= 126 mm

Effective Span = 2.876 m

Factored moment = 13.57 Kn-m 1.5*wl2/8

Factored shear = 18.87 Kn

Effective Depth Required(d) = 62.72 mm

Total depth = 86.72 OK

Ast Required (Ast) = 259 mm2

Ast Minimum = 180 mm2

Main Secondary

Dia of Reinforcement = 8 mm 8 mm

Spacing of Reinforcement bars = 194.075221843 mm 300 mm

Provide 150 mm Thk 8 tor @ 175 mm c/c Main Reinforcement &8 tor @ 200 mm c/c in Secondary Reinforcement

lg. Span (Ly) sh. Span(Lx)

fck N/mm2

fy N/mm2

Ly/Lx

(Assume D=

Kn/m2

Kn/m2

Kn/m2

Total load (w) Kn/m2

dx prov

Check for Shear : = 0.15 N/mm2

Percentage of Reinforcement Provided (pt) = 0.11

b = 25.47

= 0.26 N/mm2

OK

Check for Deflection :

Area of c/s of steel required = 261Area of c/s of steel provided

Basic span/eff depth ratio for continuous slabs = 20

Modification factor = 1.50Coefficient for max ratio of span/eff depth = 30

Effective Depth required = 96 < 126 mmSAFE

tv

tc

fs =0.58*fy* N/mm2