15.000

18.000

f'c (ksi) 2.40 20.00

fy (ksi) 40.00 40.00

40.00

4.40 5.00

TWO-WAY RECTANGULAR EDGE SUPPORTEDSLAB DESIGN USING ACI COEFFICIENTS

Case No. (1 to 9)

Case Description

Imran Sohail March 4, 2015Date

All Sides Discontnuous

SLAB THICKNESS

GEOMETRY DATA

GENERAL INFORMATION

Project Name

Engineer Name

Sub-Project Name

S-1 Location/Remarks MIDDLE SLABSlab No.

H#321St#48 Pak.Town

LOAD CALCULATION

1

MATERIAL DATA LOADING DATA

Calc. h (in.) = Perimeter/180 Used h (min. 5 in.)

Live Load (psf)

1:2:4 Conc. Mix

Grade 40 Steel

Short Span, la (ft)

Long Span, lb (ft)

Finishes (psf)

Additional Dead Load,if any(psf)

62.50

122.50 171.50

1.40 68.00

1.70 239.50

m=la/lb 0.83

-ve (D+L) +ve (D) +ve (L) b 12.00 in.

Ca 0.0000 0.0524 0.0524 da 4.00 in.

Cb 0.0000 0.0248 0.0248 db 3.75 in.

-ve Ma 0.00 ρ(max.) 0.0223

+ve Ma 2.82 As(max.) 1.07 in.2

-ve Mb 0.00 ρ(min.) 0.0020

+ve Mb 1.92 As(min.) 0.12 in.2

10.00 in.

#3-Calc. #3-Used #4-Calc. #4-Used

-ve Ma 0.0000 0.00 0.00 No Need No Need No Need No Need

+ve Ma 0.0052 0.25 0.25 5.00 5.00 9.00 9.00

-ve Mb 0.0000 0.00 0.00 No Need No Need No Need No Need

ANALYSIS AND DESIGN CALCULATION

Max. Spacing of Rebars (2h)

Selfweight @ 12.5 psf/in.

Reinf. Spacing (in.)As(used)

in.2

As(reqd.)

in.2ρ(reqd.)

Moments (ft-

kip/ft)

ACI Coefficients

Moments (ft-kip/ft)

Area of Steel and Reinf. Spacing

Wul (psf)

Total Dead Load (psf)

Dead Load Factor

Live Load Factor

Wud (psf)

Wu (psf)

Factored Loads

Prepared by Engr.Imran Sohail Page 1 of 2

+ve Mb 0.0040 0.18 0.18 7.00 7.00 13.00 10.00

Prepared by Engr.Imran Sohail Page 2 of 2