Pile Cap for 1 Piles

PILECAP DESIGN FOR 1 PILES WITH A SINGLE COLUMN THICKNESS OF PILECAP (T) CLEAR COVER WIDTH OF PILECAP (B) LENGTH OF PILECAP (L) WIDTH OF COLUMN (b) DEPTH OF COLUMN (d) fck  FOR PILECAP

= 0.60 = 0.075 = 0.70 = 0.70 = 0.30 = 0.30 = 25

fy FOR PILECAP THICKNESS OF SOI L LAYER ABOVE PILECAP UNIT WEIGHT OF SOIL ABOVE PILECAP CLEAR CANTILEVER FROM PILE DIAMETER OF PILES UNFACTORED Fy (  (k kN) F x (  (k kN) COLUMN 317.87 -2.59

= 415 = 0.80 = 18.00 = 0.15 = 0.40 REACTIONS Fz (  (k kN) -18.94

m m m m m m Mpa Mpa m 3

kN/m m m AT COLUMN BASE M x (kN.m) Mz (kN.m) 0.00 0.00

C

Y

0.6

X Z

 0.7 0.3  0.7

1

0.3

COLUMN MOMENT DUE TO SHEAR AT PILECAP BASE (M X') MOMENT DUE TO SHEAR AT PILECAP BASE (M Z')

-11.36 1.55

kN.m kN.m

TOTAL BENDING MOMENT (M X)

-11.36

kN.m

TOTAL BENDING MOMENT (M Z) TOTAL VERTICAL UNFACTORED FORCE

1.55 363.68

kN.m kN

PILE NO. 1

2

rxi (m)

rxi

0.000

0.00

FINAL FORCES IN PILE (kN) 364

X Z 364 kN 0.3

 

0.15

364 kN SECTION ALONG X

MAXIMUM ULTIMATE BENDING MOMENT (M UZ) EFFECTIVE DEPTH ALONG-X DIRECTION EFFECTIVE DEPTH ALONG-Z DIRECTION X-DIRECTION Ast REQUIRED

= 82 = 0.519 = 0.507

kN.m m m

= 727

mm

2

MIN. Ast REQUIRED

= 436 = 12 = 12 =6 =6 =4 =4

mm mm mm mm mm mm mm

2

= 426 = 12 =4 =4

mm mm mm mm

2

DIA. OF MAIN BARS DIA. OF DISTRIBUTION BARS REQUIRED NUMBER OF MAIN BARS PROVIDED NUMBER OF MAIN BARS REQUIRED NUMBER OF DISTRIBUTION BARS PROVIDED SPACING OF DIST. BARS Z-DIRECTION MIN. Ast REQUIRED DIA. OF DISTRIBUTION BARS REQUIRED NUMBER OF MAIN BARS PROVIDED NUMBER OF DIST. BARS

CHECK FOR SHEAR

MAXIMUM ULTIMATE SHEAR AT CRITICAL SECTION (V U) = 546 ULTIMATE SHEAR STRESS ( τu) = 1.50 pt OF STEEL PROVIDED (%) = 0.20 SHEAR STRESS IN CONCRETE ( τC) = 0.33 SHEAR STRESS RESISTED BY SECTION ( τC') = 1.69 DESIGN FOR SHEAR IS NOT REQUIRED IN X-DIRECTION.

kN N/mm %

2

N/mm

2

N/mm

2

X-DIRECTION Ast REQUIRED MIN. Ast REQUIRED DIA. OF MAIN BARS DIA. OF DISTRIBUTION BARS NO OF BARS REQUIRED FOR MAIN STEEL NO OF BARS REQUIRED FOR DIST. STEEL REQUIRED SPACING OF MAIN BARS REQUIRED SPACING OF DISTRIBUTION BARS Z-DIRECTION Ast REQUIRED MIN. Ast REQUIRED DIA. OF MAIN BARS NO OF BARS REQUIRED FOR MAIN STEEL REQUIRED SPACING OF MAIN BARS

= 727 = 436 = 12 = 12 =6 =4 = 99 = 188 = 426 = 426 = 12

2

mm

2

mm mm mm

mm mm

0.15 0. 2

0.28 0. 315

0.25

0.35

0.5

0.46

0.75

0.54

1

0.6

1.25

0.64

1.5

0.68

2

1.75

0.71

2

2

0.71

2.25

0.71

2.5

0.71

2.75

0.71

3

0.71

mm mm mm

=4 = 195

15

mm 2.5 2.8 3.1 3.5

20

25

30

0.28

0.29

0.29

0.315

0.325

0.33

0.36

0.36

0.37

0.48

0.49

0.5

0.2

0.325

0.56

0.57

0.59

0.2

0.325

0.62

0.64

0.66

0.20

0.325

0.67

0.7

0.71

0.72

0.74

0.76

0.75

0.78

0.8

0.79

0.82

0.84

0.81

0.85

0.88

0.82

0.88

0.91

0.82

0.9

0.94

0.82

0.92

0.96

15

2

20

3

25

4

30

5

4