Question 45698

Geotechnical / Foundation Engineering

9. What would the FS for the potential failure surface shown above be if the soil's undrained shear strength were 50 kPa (instead of 100 kPa)? Answer: FS = 0.98

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Question 45697

Geotechnical / Foundation Engineering

8., Find the factor of safety for the failure surface shown, below using the Swedish Slip Circle method. The scale is in meters (use a ruler). The center of the circle is denoted by the •. Answer: FS 1.9550

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Question 43569

Geotechnical / Foundation Engineering

50 tons as shown in Figure P8.11. Determine the averagestress increase beneath the center of the foundation in theA square foundation, 5 ft wide, carries a net column load ofAsquareclay layer:
a. Using Eq. (8.25),
b. Using Eqs. (8.26) and (8.10), and
c. Using Eqs. (8.26) and (8.15).

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Question 43568

Geotechnical / Foundation Engineering

Three continuous foundations are shown in Figure P6.15.For each of them, what values would you use for their eccentricity and inclination in the bearing capacity calculations?

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Question 43567

Geotechnical / Foundation Engineering

A 2 m x 3 m spread footing placed at a depth of2 m carries a vertical load of 3000 kN and a moment of300 kN m, as shown in Figure P6.14. Determine the factor of safety using Meyerhof's effective area method.

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Question 43566

Geotechnical / Foundation Engineering

For an eccentrically loaded continuous foundation on sand,given B= 108 m Df=0.9 m e/B =0.12( one way eccentricity Y=16KN/m3 and theta =35 using the reduction factor method estimate load per unit length of the foundation

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Question 43565

Geotechnical / Foundation Engineering

Repeat Problem 6.11 using Prakash and Saran's method.

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Question 43564

Geotechnical / Foundation Engineering

An eccentrically loaded foundation is shown in Figure P6.11.Use FS of 4 and determine the maximum allowable load that the foundation çan carry, Use Meyerhof's effective area method.

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Question 43563

Geotechnical / Foundation Engineering

For the design of a shallow foundation, given the following:
\phi^{\prime}=20^{\circ}
c^{\prime}=72 \mathrm{kN} / \mathrm{m}^{2}
\text { Unit weight, } \gamma=17 \mathrm{kN} / \mathrm{m}^{3}
Modulus of elasticity, E, = 1400 kN/m-%3D
\text { Poisson's ratio, } \mu_{s}=0.35
Foundation:L= 2 m
B = 1 m
D, = 1 m
Calculate the ultimate bearing capacity. Use Eq. (6.42).

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Question 43562

Geotechnical / Foundation Engineering

A column foundation (Figure P6.9) is 3 m X 2 m in plan.Given: D; = 1.5 m, 6' = 25°, c' = 70 kN/m?. UsingEq. (6.28) and FS[see Eq. (6.24)] the foundation could carry.= 3, determine the net allowable load

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