Pier calculations

Pile moment capacity

Calculation of pile moment

Type of pile
Type of pile
Bored cast in-situ
Stiffness is different

Depth of fixity (for Seismic case)

L1=L_1 =
Height above ground level of lateral Forces
T=(EI/hh)1/5T = ( E * I/h_h)^{1/5}

Maximum moment in pile

Fixed end moment in pile is given by,
MF=Q(L1+LF)/2M_F = Q * (L_1 + L_F) / 2
(For fixed head piles, refer to IS 2911 (part 1/Sec 2-2010) Cl. C.4.3 of Appendix C)
Actual maximum moment in pile is given by,
M=mMFM = m * M_F
From IS: 2911 (Part 1/ Sec 2-2010), from fig. 5b of Append. C, corresponding to
L1/TL_1 / T
Maximum moment in pile,
m=12.29Qm = 12.29 * Q
Pile moments are calculated in this fashion in this book.