Pile Design and Construction Practice, Fifth edition

Deflection coefficient Fy

Moment coefficient Fm

Soil resistance coefficient Fp

• 0.2

(a)

(b)

(c)

1.0

1.0

10 5

4

4, 5 & 10

3

0

2.0

Depth coefficient

Z

Depth coefficient

Z

3.0

4.0

5.0

5.0

4.0

3.0

2.0

1.0

3

4

10

5

0

2.0

3.0

3

4

5

4.0^10

Depth coeffiecient

Z

5.0

• 1.0
  
  
  • 0.6 –0.4 –0.2 +0.2 +0.4 +0.6
    4
  
  
  
  

(^32)
5 & 10
+0.80

• 0.8 –0.6 –0.4 –0.2 0 +0.2 +0.4

+0.2 +0.4 +0.6 +0.8 +1.0 +1.1

2

4 3

5 & 10

0

Z (^) max
2
Z (^) max
2
Z (^) max
2
H
H
x
x
MF
PF
H
x
yf
Figure 6.28Coefficients for fixed headed piles with lateral load in soil with linearly increasing modulus
(after Reese and Matlock(6.14)) (a) Coefficients for deflection (b) Coefficients for bending
moment (c) Coefficients for soil resistance.