CIVL3210 Geotechnical Engineering
Tutorial 2 Bearing capacity of shallow footings
CIVL3210 Geotechnical Engineering Tutorial 2 - Bearing capacity of shallow footings
1. Determine a suitable size for a square footing which is to carry a working loa
CIVL3210 GEOTECHNICAL ENGINEERING TUTORIAL SOLUTIONS
Piles
1. a) Max vale of occurs when side shear force, Ps, is maximum. 105 + 120 Ps = As. . Cu where Cu = = 1112.5 kPa 2 Maximum value of Ps = 1700 kN 1700 = 0.32 Hence, max value of = .(1).(15
CIVL3210 GEOTECHNICAL ENGINEERING
LABORATORY CLASS
Calculations
Shallow footings
Nq = 18, N = 15, = 11 kN/m2
For 15mm embedment:
qu = 0 + 18 x 11 x 0.015 + 0.5 x 0.1 x 11 x 15 = 11.2 kPa
Length of rods is 134mm, hence
Total load capacity = qu.A = 11.2x103
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