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Volume 6 – Geotechnical Manual, Site Investigation and Engineering ...

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Chapter 9 FOUNDATION ENGINEERING<br />

Deflection Coefficient, F s for Applied Moment M<br />

Deflection Coefficient, F s for Applied Lateral Load, H<br />

Moment Coefficient, F M for Applied Moment M<br />

Moment Coefficient, F M for Applied Lateral Load, H<br />

Shear Coefficient, F v for Applied Moment M<br />

Shear Coefficient, F v for Applied Lateral Load, H<br />

Notes:<br />

5<br />

1. T = E pI p<br />

where E p I p = bending stiffness of pile <strong>and</strong> n h = constant of<br />

n h<br />

horizontal subgrade reaction<br />

2.<br />

3. Obtain coefficients F δ ,F M <strong>and</strong> F v at appropriate depths desired <strong>and</strong><br />

compute deflection, moment <strong>and</strong> shear respectively using the given<br />

formulae.<br />

Figure 9.11 Influence Coefficients for Piles with Applied Lateral Load <strong>and</strong> Moment (Flexible Cap or<br />

Hinged End Conditions) (Matlock & Reese, 1910)<br />

March 2009 9-37

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