![Question 1: 10 marks Consider the raft foundation shown in Figure Q1 Dense soil ? 320 Raft Foundation q-700kPa 2m 8m Dense soil ?=32° c-0 Ysai 18kN/m Plan Section Figure Q1 Compute: i. Change in Stress in the centre of raft at a depth of 5m from ground. ii. Allowable Bearing capacity. 5 marks] [5 marks] 10 marks Question 2](http://img.homeworklib.com/questions/a0119b40-7ae5-11eb-a6a1-a1e3e3f2e2e9.png?x-oss-process=image/resize,w_560)
Homework Answers
Add Answer to:
Question 1: 10 marks Consider the raft foundation shown in Figure Q1 Dense soil ? 320...
Consider the raft foundation shown in Figure Q1 Dense soil ?-320 c-0 Raft Foundation q 700kPa...
Consider the raft foundation shown in Figure Q1 Dense soil ?-320 c-0 Raft Foundation q 700kPa 8m -o 8m Dense soil ?=32° c- 0 sa 18kN/m Plan Section Figure Q1 Compute 5 marks] [5 marks i. Change in Stress in the centre of raft at a depth of 5m from ground. ii. Allowable Bearing capacity.
A rectangular foundation of 4m x 6m (as shown in Figure 5) transmits a stress of 150 kPa on the surface of a soil depos...
A rectangular foundation of 4m x 6m (as shown in Figure 5) transmits a stress of 150 kPa on the surface of a soil deposit. Plot the distribution of induced vertical stresses with depth under points A (the centre of the rectangle) and B up to a depth of 20 m 5. 4m 2m C 2m Figure 5
The figure below shows a flexible rectangular raft foundation that is proposed for one of the...
The figure below shows a flexible rectangular raft foundation
that is proposed for one of the industrial buildings at the site.
The foundation is 10 feet X 20 feet and applies an uniform pressure
of 3000 psf to the underlying soil.
a. Using the influence factor method to calculate the stress
below a rectangular area, find the vertical stress increase
()
at 6 feet below points A, B, and C.
b. Assume that this foundation (thickness = 1.25 feet,
Ef...
Q1 (10 marks) You have been asked to examine the bearing capacity of several different rectangular...
Q1 (10 marks) You have been asked to examine the bearing capacity of several different rectangular pad footings. The width of each of the footings is to remain constant wil vary. In order to reduce the number of calculations, you have decided to plot the ultimate bearing capacity against the length of the footing. The properties of the underlying soil profile are given in Table 1.1. The base of the footing is to be located 1 m below ground level...
QUESTIONG H=35 The circular footing (Diameter 1m) showed in Figure 3 is subjected to inclined loading...
QUESTIONG H=35 The circular footing (Diameter 1m) showed in Figure 3 is subjected to inclined loading and located at a depth of 0.8m below the ground surface in compacted sand (22= 35°, Y bulk = 18kN/m”, Ysar=20kN/m). Ground water table is as shown in the below figure. P .ro Ground surface 0.4m Water table 0.8m 1. Om Figure 3: Circular Footing in Question 6 (a) Determine bearing capacity factors and geometric factors of the foundation. (4 marks) (b) Calculate the...
Homework #10 A soil exploration result of a site is shown in the following figure. A...
Homework #10 A soil exploration result of a site is shown in the following figure. A building is to be constructed at that site. First, it has been proposed to raise the elevation of the ground by filling the site with 10 ft thick compacted soil at an area of 25 ft x 25 ft. The unit weight of the compacted moist soil was 120 pcf. The foundation of proposed building was constructed at the center of the compaction area...
Question 2 [Marks: 15 +10=25] 200kPa of construction stress was applied on top of the soil...
Question 2 [Marks: 15 +10=25] 200kPa of construction stress was applied on top of the soil layers as shown in the figure below. (1) Calculate the settlement in the clay layer due to the construction (minimum of 2 sub layers is to be used). (W) If the soil went through 90% average degree of consolidation in 1 year, calculate the coefficient of consolidation (C.). 个 Sand Y = 20kN/m 4m Water table Clay (over consolidated) y = 16kN/m 100 4m...
Question 3c, how was the effective stress calculated for the depth of 2,6 and 10 m?...
Question 3c, how was the effective stress calculated for the
depth of 2,6 and 10 m? How was the Cp calculated? Is sigma 1 the
effective stress? What is sigma? Why d is 4?
1 3c In ε- Cp w-Σε disp ε. d do initial o Deformation depth d Strain (-) (m) 4 176.2 1.08 2 62 0.27 6 107 4 128.4 0.16 0.63 152 4 10 95.5 0.10 0.39 total 2.10 in 3) A 10 m wide and very...
X=22 QUESTION 3 (30 marks) A soil profile at a site is shown in Figure 1....
X=22
QUESTION 3 (30 marks) A soil profile at a site is shown in Figure 1. A soil specimen is taken from the middle of the clay layer and subjected to a consolidation test, and following properties are reported. • Moisture content of clay = 15% • Specific gravity of soil grains = 2.7 OCR=3.0 • Compression Index (Cc)=0.5 • Recompression Index (Cr)=0.04 a) Calculate the effective vertical stress at the middle of the clay layer (10 marks) b) Calculate...
Question 5 (Effective Stress & Consolidation) Figure 05 shows the soil profile of a construction site....
Question 5 (Effective Stress & Consolidation) Figure 05 shows the soil profile of a construction site. The water table is at the ground surface. Saturated unit weight of the sand is 18.8kN/m' and that of the clay is 19.6kN/m. Assume permeability of the clay is very low and unit weight of water is 10kN/m'. Water Table Sand 5m Clay 6m Figure 05 a) Determine the vertical total stress, pore water pressure, and vertical effective stress at the mid-height of the...
Consider the raft foundation shown in Figure Q1 Dense soil ?-320 c-0 Raft Foundation q 700kPa 8m -o 8m Dense soil ?=32° c- 0 sa 18kN/m Plan Section Figure Q1 Compute 5 marks] [5 marks i. Change in Stress in the centre of raft at a depth of 5m from ground. ii. Allowable Bearing capacity.
A rectangular foundation of 4m x 6m (as shown in Figure 5) transmits a stress of 150 kPa on the surface of a soil deposit. Plot the distribution of induced vertical stresses with depth under points A (the centre of the rectangle) and B up to a depth of 20 m 5. 4m 2m C 2m Figure 5
The figure below shows a flexible rectangular raft foundation
that is proposed for one of the industrial buildings at the site.
The foundation is 10 feet X 20 feet and applies an uniform pressure
of 3000 psf to the underlying soil.
a. Using the influence factor method to calculate the stress
below a rectangular area, find the vertical stress increase
()
at 6 feet below points A, B, and C.
b. Assume that this foundation (thickness = 1.25 feet,
Ef...
Q1 (10 marks) You have been asked to examine the bearing capacity of several different rectangular pad footings. The width of each of the footings is to remain constant wil vary. In order to reduce the number of calculations, you have decided to plot the ultimate bearing capacity against the length of the footing. The properties of the underlying soil profile are given in Table 1.1. The base of the footing is to be located 1 m below ground level...
QUESTIONG H=35 The circular footing (Diameter 1m) showed in Figure 3 is subjected to inclined loading and located at a depth of 0.8m below the ground surface in compacted sand (22= 35°, Y bulk = 18kN/m”, Ysar=20kN/m). Ground water table is as shown in the below figure. P .ro Ground surface 0.4m Water table 0.8m 1. Om Figure 3: Circular Footing in Question 6 (a) Determine bearing capacity factors and geometric factors of the foundation. (4 marks) (b) Calculate the...
Homework #10 A soil exploration result of a site is shown in the following figure. A building is to be constructed at that site. First, it has been proposed to raise the elevation of the ground by filling the site with 10 ft thick compacted soil at an area of 25 ft x 25 ft. The unit weight of the compacted moist soil was 120 pcf. The foundation of proposed building was constructed at the center of the compaction area...
Question 2 [Marks: 15 +10=25] 200kPa of construction stress was applied on top of the soil layers as shown in the figure below. (1) Calculate the settlement in the clay layer due to the construction (minimum of 2 sub layers is to be used). (W) If the soil went through 90% average degree of consolidation in 1 year, calculate the coefficient of consolidation (C.). 个 Sand Y = 20kN/m 4m Water table Clay (over consolidated) y = 16kN/m 100 4m...
Question 3c, how was the effective stress calculated for the
depth of 2,6 and 10 m? How was the Cp calculated? Is sigma 1 the
effective stress? What is sigma? Why d is 4?
1 3c In ε- Cp w-Σε disp ε. d do initial o Deformation depth d Strain (-) (m) 4 176.2 1.08 2 62 0.27 6 107 4 128.4 0.16 0.63 152 4 10 95.5 0.10 0.39 total 2.10 in 3) A 10 m wide and very...
X=22
QUESTION 3 (30 marks) A soil profile at a site is shown in Figure 1. A soil specimen is taken from the middle of the clay layer and subjected to a consolidation test, and following properties are reported. • Moisture content of clay = 15% • Specific gravity of soil grains = 2.7 OCR=3.0 • Compression Index (Cc)=0.5 • Recompression Index (Cr)=0.04 a) Calculate the effective vertical stress at the middle of the clay layer (10 marks) b) Calculate...
Question 5 (Effective Stress & Consolidation) Figure 05 shows the soil profile of a construction site. The water table is at the ground surface. Saturated unit weight of the sand is 18.8kN/m' and that of the clay is 19.6kN/m. Assume permeability of the clay is very low and unit weight of water is 10kN/m'. Water Table Sand 5m Clay 6m Figure 05 a) Determine the vertical total stress, pore water pressure, and vertical effective stress at the mid-height of the...
Most questions answered within 3 hours.
-
In a certain binary-star system, each star has the same mass
which is 4.4 times of...
asked 43 seconds ago -
Use the model of the small open economy (Apply the small
open economy model of real...
asked 7 minutes ago -
The structure Car is declared as follows: struct Car { string
carMake; string carModel; int yearModel;...
asked 17 minutes ago -
Consider a transformer with 125 turns of wire in the primary
winding and 1475 turns of...
asked 17 minutes ago -
Let h be the depth below the surface of the ocean at which the
absolute pressure...
asked 19 minutes ago -
Apply the four-stage New Product Development model shown in page
325 of your text book
(Concept...
asked 27 minutes ago -
An enzyme catalyzes the reaction A ⇌ B. The enzyme is present at
a concentration of...
asked 35 minutes ago -
The number of years of education of self-employed individuals in
the United States has a population...
asked 1 hour ago -
Using the TI-84 calculator, find the area under the standard
normal curve that lies outside the...
asked 50 minutes ago -
You are considering the purchase of a share of Edie's common
stock. You expect to sell...
asked 52 minutes ago -
Assembly Programming
INCLUDE Irvine32.inc
Make a program that takes a string and a word as inputs...
asked 1 hour ago -
Can I get a C++ code and output for this program using classes
instead of using...
asked 1 hour ago