8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 1/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

DL 2.6 T (downward)

BT 1.15 t

h 4.68 t

HT of colum 5.58 0.45

M 104.25 t-m

Forces on footing

V 1.45 t

column wt 5.96 t 0.45

fdn wt 10.81 t L 2.6

soil wt 70.02 t B 4.75

total P 88.24

P/A 7.14

M/z 10.66

P/A-M/z -3.52 Gross SBC 44.13

P/A+M/z 17.81 e 1.18

e/l 0.25

c1 0.75 c1.l 3.56

c2 2.67 c2.p 19.08

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 2/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 3/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

DESIGN OF FOUNDATION

DESCRIPTION VALUES

Depth of foundation from NGL 2.5 Mt

Net SBC at depth of foundation 11

Density of soil 1.8

Concrete mix 20

Steel grade Fy 415 1

Dimensions of Column :length in X direction 0.23 Mt 0.39

length in Y direction 0.23 Mt 0.39

0.23 1

Size of footing : 0.39 0.23 0.39

length in X direction Lx 1 Mt

length in Y direction Ly 1 Mt

Thickness of footing T 0.2 Mt

Edge thickness t 0 Mt

Cover c 50 mm

Gross Pressure 15.00

Net pressure 15.00

Pmax 15.00Pmin 15.00

Partial safety factor 1.5

Pu max 22.50 1 m

Pu min 22.50

0.39 0.62

Projection 0.39 Mt

Pressure at 0.385 m 22.50

Moment at 0.385 m 1.67 Tm 22.50 22.50 22.50

150 mm

0.741

0.215 %

322

240

8 150 c/c

335.10

Ast provided is O.K

T/m2

T/m3

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2 T/m2 T/m2

deff 

Mu / bd2 N/mm2

pt

Ast mm2

Min Ast

req.(0.12 %) mm2

Ast

provided mm Φmm2

M

Fe

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 4/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

SHEAR CHECK

Projection 0.24 Mt

0.39 m

Pressure at 0.235 m 22.50

0.24 0.15

72.08 mm

0.46

β 4.99

0.465 22.50 22.50 22.50

Vu 5.29 T

Mu 0.62 Tm

0.112 As per Cl. 40.1.1, IS 456 : 2000.

CHECK FOR SHEAR IS O.K

OTHER SIDE OF FOOTING

Projection 0.39 Mt 1

Pumax 22.50

Moment 1.67 Tm 0.39 0.62

150 mm

0.741

0.215 %

322.4 22.50 22.50 22.50

240

8 150 C/C

335.10

Ast provided is O.K

SHEAR CHECK

Projection 0.24 Mt

0.39 m

Pressure at 0.235 m 22.50

0.24 0.15

72.08 mm

0.46

0.465 22.50

Vu 5.288 T 22.50 22.50

Mu 0.62 Tm

β 4.99

0.112

CHECK FOR SHEAR IS O.K

T/m2

dcr 

% Ast

τc

T/m2 T/m2 T/m2

τv N/mm2

T/m2

deff 

Mu / bd2 N/mm2

pt

Ast mm2

Min Ast

req.(0.12 %) mm2 T/m2 T/m2 T/m2

Ast

provided mm Φmm2

T/m2

dcr 

% Ast

τc

T/m2 T/m2

T/m2

τv N/mm2

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 5/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 6/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 7/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

DESIGN OF FOUNDATION

DESCRIPTION VALUES

Depth of foundation from NGL 2 Mt

Net SBC at depth of foundation 15

Density of soil 1.8

Concrete mix 20

Steel grade Fy 415 1.9

Dimensions of Column :length in X direction 0.35 Mt 0.7

length in Y direction 0.5 Mt 0.78

0.5 1.9

Size of footing : 0.78 0.35 0.7

length in X direction Lx 1.9 Mt

length in Y direction Ly 1.9 Mt

Thickness of footing T 0.4 Mt

Edge thickness t 0.15 Mt

Cover c 50 mm

Gross Pressure 15.00

Net pressure 15.00

Pmax 15.00Pmin 15.00

Partial safety factor 1.5

Pu max 22.50 1.9 m

Pu min 22.50

0.78 1.13

Projection 0.78 Mt

Pressure at 0.775 m 22.50

Moment at 0.775 m 6.76 Tm 22.50 22.50 22.50

350 mm

0.552

0.158 %

553

480

10 125 c/c

628.32

Ast provided is O.K

T/m2

T/m3

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2 T/m2 T/m2

deff 

Mu / bd2 N/mm2

pt

Ast mm2

Min Ast

req.(0.12 %) mm2

Ast

provided mm Φmm2

M

Fe

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 8/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

SHEAR CHECK

Projection 0.43 Mt

0.78 m

Pressure at 0.425 m 22.50

0.43 0.35

237.10 mm

0.27

β 8.76

0.368 22.50 22.50 22.50

Vu 9.56 T

Mu 2.03 Tm

0.287 As per Cl. 40.1.1, IS 456 : 2000.

CHECK FOR SHEAR IS O.K

OTHER SIDE OF FOOTING

Projection 0.7 Mt 1.9

Pumax 22.50

Moment 5.51 Tm 0.7 1.2

350 mm

0.450

0.128 %

448.4 22.50 22.50 22.50

480

10 125 C/C

628.32

Ast provided is O.K

SHEAR CHECK

Projection 0.35 Mt

0.7 m

Pressure at 0.35 m 22.50

0.35 0.35

225.00 mm

0.28

0.377 22.50

Vu 7.875 T 22.50 22.50

Mu 1.38 Tm

β 8.32

0.253

CHECK FOR SHEAR IS O.K

T/m2

dcr 

% Ast

τc

T/m2 T/m2 T/m2

τv N/mm2

T/m2

deff 

Mu / bd2 N/mm2

pt

Ast mm2

Min Ast

req.(0.12 %) mm2 T/m2 T/m2 T/m2

Ast

provided mm Φmm2

T/m2

dcr 

% Ast

τc

T/m2 T/m2

T/m2

τv N/mm2

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 9/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 10/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 11/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

DESIGN OF FOUNDATION

DESCRIPTION VALUES

Depth of foundation from NGL 2 Mt

Net SBC at depth of foundation 15

Density of soil 1.8

Concrete mix 20

Steel grade Fy 415 1.8

Dimensions of Column :length in X direction 0.23 Mt 0.75

length in Y direction 0.5 Mt 0.79

0.5 2

Size of footing : 0.79 0.23 0.75

length in X direction Lx 1.8 Mt

length in Y direction Ly 2.0 Mt

Thickness of footing T 0.4 Mt

Edge thickness t 0.15 Mt

Cover c 50 mm

Gross Pressure 15.00

Net pressure 15.00

Pmax 15.00Pmin 15.00

Partial safety factor 1.5

Pu max 22.50 1.8 m

Pu min 22.50

0.79 1.02

Projection 0.79 Mt

Pressure at 0.785 m 22.50

Moment at 0.785 m 6.93 Tm 22.50 22.50 22.50

350 mm

0.566

0.162 %

568

480

10 125 c/c

628.32

Ast provided is O.K

T/m2

T/m3

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2 T/m2 T/m2

deff 

Mu / bd2 N/mm2

pt

Ast mm2

Min Ast

req.(0.12 %) mm2

Ast

provided mm Φmm2

M

Fe

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 12/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

SHEAR CHECK

Projection 0.44 Mt

0.79 m

Pressure at 0.435 m 22.50

0.44 0.35

238.54 mm

0.26

β 8.82

0.367 22.50 22.50 22.50

Vu 9.79 T

Mu 2.13 Tm

0.291 As per Cl. 40.1.1, IS 456 : 2000.

CHECK FOR SHEAR IS O.K

OTHER SIDE OF FOOTING

Projection 0.75 Mt 2

Pumax 22.50

Moment 6.33 Tm 0.75 1.25

350 mm

0.517

0.148 %

516.9 22.50 22.50 22.50

480

10 125 C/C

628.32

Ast provided is O.K

SHEAR CHECK

Projection 0.4 Mt

0.75 m

Pressure at 0.4 m 22.50

0.4 0.35

233.33 mm

0.27

0.371 22.50

Vu 9.000 T 22.50 22.50

Mu 1.80 Tm

β 8.62

0.276

CHECK FOR SHEAR IS O.K

T/m2

dcr 

% Ast

τc

T/m2 T/m2 T/m2

τv N/mm2

T/m2

deff 

Mu / bd2 N/mm2

pt

Ast mm2

Min Ast

req.(0.12 %) mm2 T/m2 T/m2 T/m2

Ast

provided mm Φmm2

T/m2

dcr 

% Ast

τc

T/m2 T/m2

T/m2

τv N/mm2

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 13/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 14/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 15/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

DESIGN OF FOUNDATION

DESCRIPTION VALUES

Depth of foundation from NGL 2 Mt

Net SBC at depth of foundation 15

Density of soil 1.8

Concrete mix 20

Steel grade Fy 415 2.45

Dimensions of Column :length in X direction 0.5 Mt 0.98

length in Y direction 0.35 Mt 0.98

0.35 2.3

Size of footing : 0.98 0.5 0.98

length in X direction Lx 2.45 Mt

length in Y direction Ly 2.3 Mt

Thickness of footing T 0.5 Mt

Edge thickness t 0.15 Mt

Cover c 50 mm

Gross Pressure 15.00

Net pressure 15.00

Pmax 15.00Pmin 15.00

Partial safety factor 1.5

Pu max 22.50 2.45 m

Pu min 22.50

0.98 1.48

Projection 0.98 Mt

Pressure at 0.975 m 22.50

Moment at 0.975 m 10.69 Tm 22.50 22.50 22.50

450 mm

0.528

0.151 %

680

600

10 100 c/c

785.40

Ast provided is O.K

T/m2

T/m3

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2

T/m2 T/m2 T/m2

deff 

Mu / bd2 N/mm2

pt

Ast mm2

Min Ast

req.(0.12 %) mm2

Ast

provided mm Φmm2

M

Fe

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 16/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

SHEAR CHECK

Projection 0.53 Mt

0.98 m

Pressure at 0.525 m 22.50

0.53 0.45

288.46 mm

0.27

β 8.53

0.372 22.50 22.50 22.50

Vu 11.81 T

Mu 3.10 Tm

0.276 As per Cl. 40.1.1, IS 456 : 2000.

CHECK FOR SHEAR IS O.K

OTHER SIDE OF FOOTING

Projection 0.98 Mt 2.3

Pumax 22.50

Moment 10.69 Tm 0.98 1.33

450 mm

0.528

0.151 %

679.9 22.50 22.50 22.50

600

10 100 C/C

785.40

Ast provided is O.K

SHEAR CHECK

Projection 0.53 Mt

0.98 m

Pressure at 0.525 m 22.50

0.53 0.45

288.46 mm

0.27

0.372 22.50

Vu 11.813 T 22.50 22.50

Mu 3.10 Tm

β 8.53

0.276

CHECK FOR SHEAR IS O.K

T/m2

dcr 

% Ast

τc

T/m2 T/m2 T/m2

τv N/mm2

T/m2

deff 

Mu / bd2 N/mm2

pt

Ast mm2

Min Ast

req.(0.12 %) mm2 T/m2 T/m2 T/m2

Ast

provided mm Φmm2

T/m2

dcr 

% Ast

τc

T/m2 T/m2

T/m2

τv N/mm2

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 17/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 18/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 19/21

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 20/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS

SHEAR CHECK

Projection 0.64 Mt

0.94 m

Pressure at 0.635 m 18.00

0.64 0.3

235.83 mm

0.33

β 6.97

0.405 18.00 18.00 18.00

Vu 11.43 T

Mu 3.63 Tm

0.345 As per Cl. 40.1.1, IS 456 : 2000.

CHECK FOR SHEAR IS O.K

OTHER SIDE OF FOOTING

Projection 0.86 Mt 2.1

Pumax 18.00

Moment 6.70 Tm 0.86 1.24

300 mm

0.744

0.216 %

647.4 18.00 18.00 18.00

420

10 100 C/C

785.40

Ast provided is O.K

SHEAR CHECK

Projection 0.56 Mt

0.86 m

Pressure at 0.5625 m 18.00

0.56 0.3

230.43 mm

0.34

0.409 18.00

Vu 10.125 T 18.00 18.00

Mu 2.85 Tm

β 6.81

0.315

CHECK FOR SHEAR IS O.K

T/m2

dcr 

% Ast

τc

T/m2 T/m2 T/m2

τv N/mm2

T/m2

deff 

Mu / bd2 N/mm2

pt

Ast mm2

Min Ast

req.(0.12 %) mm2 T/m2 T/m2 T/m2

Ast

provided mm Φmm2

T/m2

dcr 

% Ast

τc

T/m2 T/m2

T/m2

τv N/mm2

8/6/2019 Isolated Footing Sheet_r1 111

http://slidepdf.com/reader/full/isolated-footing-sheetr1-111 21/21

LIGNITE HANDLING PLANT AT GIPCL, SURAT VMS