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PILE FOUNDATIONS
UNDER LATERAL LOADS
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Methods of Calculating Lateral Resistance of
Vertical Piles;
Brinch Hansen’s Method (1961):
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Methods of Calculating Acceptable
Deflection at Working Load;
1.Modulus of Subgrade Reaction Approach (Reese
and Matlock, 1956):
2.Elastic Approach (Poulos, 191a and b!"
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# $t is relati%el& si'ple
# $t can incorporate factors such as
nonlinearit&, %ariation of subgrade reaction
ith depth, and la&ered s&ste's.
# $t has been used in the practice for a long
ti'e
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# $t is based on a theoreticall& 'ore realistic
approach,
# $t can gi%e solutions for %ar&ing 'odulusith depth and la&ered s&ste'.
# $t is difficult to deter'ine appropriate strainsin a field proble' and the corresponding
soil 'oduli.
# $t needs 'ore field %erification b& appl&ing
theor& to practical proble's
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Piles in cohesive soil
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