3) A circular footing having a diameter of 1.2m has its bottom at a depth of 2.7m from the ground surface. Water table is located at a depth of 1.3m below the ground. Soil has the ff. properties. Dry unit weight = 18.1kn/cum Saturated unit weight = 19.3kn//cum C = 15.74kpa Angle of internal friction = 20deg %3D a) Assuming local shear failure, find ultimate bearing pressure using terzaghi's equation b) Det. Allowable bearing capacity using a factor of safety of 3. c) Find allowable load on footing.

Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter10: Mat Foundations
Section: Chapter Questions
Problem 10.1P: Refer to the rectangular combined footing in Figure 10.1, with Q1 = 100 kip and Q2 = 150 kip. The...
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3) A circular footing having a diameter of 1.2m has its bottom at a depth of 2.7m
from the ground surface. Water table is located at a depth of 1.3m below the
ground. Soil has the ff. properties.
Dry unit weight = 18.1kn/cum
Saturated unit weight = 19.3kn//cum
C = 15.74kpa
Angle of internal friction = 20deg
%3D
a) Assuming local shear failure, find ultimate bearing pressure using terzaghi's
equation
b) Det. Allowable bearing capacity using a factor of safety of 3.
c) Find allowable load on footing.
Transcribed Image Text:3) A circular footing having a diameter of 1.2m has its bottom at a depth of 2.7m from the ground surface. Water table is located at a depth of 1.3m below the ground. Soil has the ff. properties. Dry unit weight = 18.1kn/cum Saturated unit weight = 19.3kn//cum C = 15.74kpa Angle of internal friction = 20deg %3D a) Assuming local shear failure, find ultimate bearing pressure using terzaghi's equation b) Det. Allowable bearing capacity using a factor of safety of 3. c) Find allowable load on footing.
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