Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN: 9781337705028
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 6, Problem 6.17P
A 2.0 m × 2.0 m square pad footing will be placed in a normally consolidated clay soil to carry a column load Q. The depth of the footing is 1.0 m. The soil parameters are: c′ = 0, ф′ = 26°, γ = 19 kN/m3, and cu = 60 kN/m2. Determine the maximum possible value for Q, considering short-term and long-term stability of the footing.
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A 2.0 m x 2.0 m square pad footing will be placed in a normally consolidated clay soil to carry acolumn load Q. The depth of the footing is 1.0 m. The soil parameters are: c’= 0, ϕ’= 26º, γ =19kN/m3, and cu = 60 kN/m2. Determine the maximum possible value for Q, considering short-termand long-term stability of the footing
A circular footing with a 1.5 m diameter is to be
constructed 1.22 m
below the ground surface. The subsoil consists of
a uniform deposit
of dense soil having the following strength
parameters:
Angle of Friction = 250 Nc = 24.1 Nq = 13.1 Ny = 9.1
Cohesion = 48 kN/m2
Unit weight of soil = 20.12 kN/m2
The groundwater table is at a great depth and its
effect can be
ignored.
Determine the following:
a) Ultimate bearing Capacity of the soil
A square footing has dimensions 2 m x 2 m and founded at a depth of 2 m. Consider the following statements regarding capacity of footing in pure clay with an unconfined
compressive strength of 0.15 N/mm?, o = 0° and y = 1.7 g/cm3. Assume Terzaghi's factors for o = 0 as Nc = 5.7; N. =1 and N., = 0.
Choose the correct statement(s):
A Net ultimate bearing capacity is 555.75 kN/m2.
Correct Option
Ultimate bearing capacity is 589.104 kN/m2.
Correct Option
C
Net ultimate bearing capacity is 427.5 kN/m2.
Ultimate bearing capacity is 460.85 kN/m2.
Chapter 6 Solutions
Principles of Foundation Engineering (MindTap Course List)
Ch. 6 - For the following cases, determine the allowable...Ch. 6 - A 5.0 ft wide square footing is placed at 3.0 ft...Ch. 6 - Prob. 6.3PCh. 6 - Redo Problem 6.2 using the general bearing...Ch. 6 - The applied load on a shallow square foundation...Ch. 6 - A 2.0 m wide continuous foundation carries a wall...Ch. 6 - Determine the maximum column load that can be...Ch. 6 - A 2.0 m wide strip foundation is placed in sand at...Ch. 6 - A column foundation (Figure P6.9) is 3 m × 2 m in...Ch. 6 - For the design of a shallow foundation, given the...
Ch. 6 - An eccentrically loaded foundation is shown in...Ch. 6 - Prob. 6.12PCh. 6 - For an eccentrically loaded continuous foundation...Ch. 6 - A 2 m 3 m spread footing placed at a depth of 2 m...Ch. 6 - Prob. 6.15PCh. 6 - A tall cylindrical silo carrying flour is to be...Ch. 6 - A 2.0 m 2.0 m square pad footing will be placed...Ch. 6 - An eccentrically loaded continuous foundation is...Ch. 6 - A square foundation is shown in Figure P6.19. Use...Ch. 6 - The shallow foundation shown in Figure 6.25...Ch. 6 - Consider a continuous foundation of width B = 1.4...
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- A rectangular footing 3m x 2m exerts a pressure of 100kN/m2on a cohesive soil Es= 5x104 kN/m2and µ = 0.5. Estimate the immediatesettlement at the centre, assuming(a) the footing is flexible (b) the footing is rigid (ii) Write about influence of water table in determination of bearing capacity.arrow_forwardA square footing having a dimension of 4m has its bottom at a depth of 3.2m Trom the ground surface. The water table is located at an insignificant depth. FS=3 Properties of wet soil are as follows: Specific gravity, Gs = 2.7 Void ratio, e = 0.35 Degree of saturation = 70% Cohesion, c = 19 kPa Angle of internal friction = 26 degrees Assume general shear failure. Calculate the following: 1. Gross Ultimate Bearing Capacity of the footing using Terzaghi's assumption, kPa. 2. Net Allowable Bearing Capacity of the footing using Terzaghi's assumption, kPa.arrow_forwardA square footing having a dimension of 4m has its bottom at a depth of 3.2m Trom the ground surface. The water table is located at an insignificant depth. FS=3 Properties of wet soil are as follows: Specific gravity, Gs = 2.7 Void ratio, e = 0.35 Degree of saturation = 70% Cohesion, c = 19 kPa Angle of internal friction = 26 degrees Assume general shear failure. Calculate the following: 1. Gross Ultimate Bearing Capacity of the footing using Terzaghi's assumption, kPa. 2. Net Allowable Bearing Capacity of the footing using Terzaghi's assumption, kPa. Capaarrow_forward
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