H.W 2.pdf >H.Q 6A flexible foundation measuring 1.5 m x 3 m is supported by asaturated clay. Given: Dr = 1.2 m, H = 3 m, Es (clay)= 600 kN/m2, and qo= 150 kN/m?. Determine the average elastic settlement of thefoundation.H.O 7Figure 7.3 shows a foundation of 10 ft x 6.25 ft resting on a sanddeposit. The net load per unit area at the level of the foundation, qo, is3000 Ib/ft?. For the sand, u, = 0.3, Es = 3200 Ib/in?, Df = 2.5 ft, and H= 32 ft. Assume that the foundation is rigid and determine the elasticsettlement the foundation would undergo.H.O 8Determine the net ultimate bearing capacity of mat foundations withthe following characteristics:c, = 2500 Ib/ft, = 0, B = 20 ft, L = 30 ft, D, = 6.2 ftFoundation Engineering IH.W 2H.O 9A 20-m-long concrete pile is shown in Figure below. Estimate theultimate point load Q, bya. Meyerhof's methodb. Coyle and Castello's methodConcrete pile460 mm x 460 mmLoose sand20my I86 ANiDee sH.O 10A concrete pile 20 m long having a cross section of 0.46 m x 0.46 m isfully embedded in a saturated clay layer. For the clay, given: Ysat = 18kN/m,0= 0, and cu = 80 kN/m2. Determine the allowable load that thepile can carry (FS = 3). Use the A method to estimate the skinresistance.II<>

A flexible foundation measuring 1.5 m x 3 m is supported by a saturated clay. Given: Dr = 1.2 m, H = 3 m, Es (clay)= 600 kN/m2, and q. = 150 kN/m². Determine the average elastic settlement of the foundation.

A flexible foundation measuring 1.5 m x 3 m is supported by a saturated clay. Given: Dr = 1.2 m, H = 3 m, Es (clay)= 600 kN/m2, and q. = 150 kN/m². Determine the average elastic settlement of the foundation.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

H.W 2.pdf >
H.Q 6
A flexible foundation measuring 1.5 m x 3 m is supported by a
saturated clay. Given: Dr = 1.2 m, H = 3 m, Es (clay)= 600 kN/m2, and qo
= 150 kN/m?. Determine the average elastic settlement of the
foundation.
H.O 7
Figure 7.3 shows a foundation of 10 ft x 6.25 ft resting on a sand
deposit. The net load per unit area at the level of the foundation, qo, is
3000 Ib/ft?. For the sand, u, = 0.3, Es = 3200 Ib/in?, Df = 2.5 ft, and H
= 32 ft. Assume that the foundation is rigid and determine the elastic
settlement the foundation would undergo.
H.O 8
Determine the net ultimate bearing capacity of mat foundations with
the following characteristics:
c, = 2500 Ib/ft, = 0, B = 20 ft, L = 30 ft, D, = 6.2 ft
Foundation Engineering I
H.W 2
H.O 9
A 20-m-long concrete pile is shown in Figure below. Estimate the
ultimate point load Q, by
a. Meyerhof's method
b. Coyle and Castello's method
Concrete pile
460 mm x 460 mm
Loose sand
20m
y I86 ANi
Dee s
H.O 10
A concrete pile 20 m long having a cross section of 0.46 m x 0.46 m is
fully embedded in a saturated clay layer. For the clay, given: Ysat = 18
kN/m,0= 0, and cu = 80 kN/m2. Determine the allowable load that the
pile can carry (FS = 3). Use the A method to estimate the skin
resistance.
II
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4. A flexible foundation is shown below, determine the immediate settlement below the center of the foundation. Assume the thickness of the soil below the foundation is 20 meters. Following is the variation of the modulus of the soil below the foundation. Es (kN/m²) Depth below the foundation(m) 0-4 4-8 8-20 >20 1.2m 10000 8000 12000 ∞ 90 = BXL = 2m x 2m Us = 0.3 150kPa