slab Design

SLAB DESIGN:

Design Load Calculation:

Slab No: 1

Slab Thickness,

t =

=

= 2.88”≈4.5”

Load Calculation:

Self weight of slab = 1**150       =56.25 p/sq.ft

Floor finish                                     = 20 p/sq.ft

Live load                                                 = 40 p/ft

                                        Total load = 116.25 p/sq.ft

tan45◦ =

fk =1*5.21=5.21

fe = 11.17-(2*5.21) = 0.75

formula Of trapezoidal  :

A3 = A4 = (0.75+11.17)*5.21=31.05 sq.ft

AC = BD = (31.05*116.25) =  = 323.15 p/ft

formula Of  triangle  :

A1 = A2 = *10.42*5.21 = 27.14 sq.ft

AB = CD = 27.14*116.25 =  = 302.78 p/ft

Slab No: 2

Slab Thickness,

t = 4.5”

Load Calculation:

Self weight of slab = 1**150       =56.25 p/sq.ft

Partition wall = *11.17*9.5*120 =  =34.98 p/sq.ft

Floor finish                                                            = 20 p/sq.ft

Live load                                                                        = 40 p/sq.ft

                                                            Total load = 151.23 p/sq.ft

formula  Of triangle  :

B1 = B2 = *13.58*5.58 = 37.88 sq.ft

B3 = B4 = *11.17*6.79 = 37.92 sq.ft

X1Y1 = X2Y2 = (37.92*151.23) =  = 513.39 p/ft

X1X2= Y1Y2 = (37.88*151.23 =  = 421.48 p/ft

Slab No: 3

Slab Thickness,

t = 4.5”

Load Calculation:

Self weight of slab = 1**150       =56.25 p/sq.ft

Floor finish                                     = 20 p/sq.ft

Live load                                                 = 40 p/sq.ft

                                        Total load = 116.25 p/sq.ft

formula  Of  triangle  :

C1 = C2 = *15.67*5 = 39.17  sq.ft

C3 = C4 = *10*7.83 = 39.15 sq.ft

A1B1= L2L1= (39.17*116.25) =  = 290.59 p/ft

A1L2= B1L1 = (39.15*116.25 =  = 455.12 p/ft

Slab No: 4

Slab Thickness,

t = 4.5”

Load Calculation:

Self weight of slab = 1**150                      =56.25 p/sq.ft

Partition wall = *17.92*9.5*120=  =107.47 p/sq.ft

Floor finish                                                    = 20 p/sq.ft

Live load                                                               = 40 p/sq.ft

                                                    Total load = 223.72  p/sq.ft

tan45◦ =  

OL =1*3.96

LV = 10-(2*3.96) = 2.08

formula Of triangle  :

D1 = D2 = *7.92*3.96 = 15.85 sq.ft

Formula  Of  trapezoidal  :

D3 = D4 = *(10+2.08)*3.96 = 23.92 sq.ft

MM2= NN2= (15.58*223.72) =  = 442.92 p/ft

MN= N2M2 = (23.92*223.72) = 535.14 p/ft

Slab No: 5

Slab Thickness,

t = 4.5”

Load Calculation:

Self weight of slab = 1**150                             =56.25 p/sq.ft

Partition wall = *30.08*9.5*120 = =63.23 p/sq.ft

Floor finish                                                           = 20 p/sq.ft

Live load                                                                       = 40 p/sq.ft

                                                           Total load = 179.48 p/sq.ft

Formula  Of triangle  :

E1 = E2 = *15.67*7.21 = 56.49 sq.ft

E3 = E4 = *14.42*7.84 = 56.49 sq.ft

GG1= T1T2 = (56.49*179.48) =  = 647.02 p/ft

GT1= G1T2 = (56.42*179.48) =  = 703.11 p/ft