CE 467L Geotechnical Engineering Spring 2010 Homework 3 Due: Thursday, February 11, 2010 1. Complete Problem 2.1 in Craig. 2. A sample of medium quartz sand (Gs = 2.65) is tested in a constant head permeability test. The sample diameter is 5 cm and its le
CE 467L Geotechnical Engineering Spring 2010 Homework 9 Due: Thursday, April 22, 2010
1. The following data were obtained from an oedometer test on a sample of clay: Void ratio, e 0.953 0.948 0.938 0.920 0.878 0.789 0.691 0.719 0.754 0.791 0.890 Vertical
CE 467L Geotechnical Engineering Spring 2010 Homework 7 Due: Thursday, April 1, 2010 Answer the following questions and/or complete the following problems. 1. Problem 4.2 in Craig. Hint: this problem must be solved graphically. Plot the Mohr circles at fa
CE 467L Geotechnical Engineering Spring 2010 Homework 6 Due: Thursday, March 25, 2010 1. Problem 4.1 in Craig. 2. Below are results of four direct shear tests on a dry sand. The specimen was cylindrical in shape, with a diameter of 50 mm and a height of 2
CE 467L Geotechnical Engineering
Spring 20 l 6
Homework 10
rhW-
I were obtained from an oedometer test performed on a clay soil saniple.
Verti c a] effective
stres s (kPa
_
so
a- Plot a graph of void ratio versus log effective stress. It is
critical to
H
1 CE 467L Geotechnical Engineering
Spring 20 1 6
omewo rk 9
.pril 7, 2016
i utidrained (UU) TXC tests are performed on 3 samples of the same satmated
, are given in the table below- Plot total stress Mob: circles at failure (all three
Vze graph, obvio
CE 467L Geotechnical Engineering
Spring 2016
Homework 1
Due: Thursday, January 21, 2016
Answer the following questions and/or complete the following problems. For short answer-type
problems, numbers in parentheses after the questions indicate section numb
IIIIIII
CE 467L Geotechnical Engineering
Spring 2016
Homework 7
Due: Thursday, arch 10, 2016
1. For the soil prole shown in Figure 1 below, plot the distribution of total stress, pore water pressure, and
effective stress with depth up to a depth of 15 m.
CE 467L Geotechnical Engineering
Spring 2016
Homework 6
, 2016
ows ow conditions beneath a concrete darn that has two 10mlong cutoff walls
n and downstream ends of the dam. The permeable stratum has a coefcient of
)3 cm/s. Take the datum to be at the ta
CE467L G chnical Engineering
' ' g2016
omework3
DUE: Thursday, February 4, 2016
\
IMPORTANT NOTE: For the "phase problems below, do NOT use the formulas in the book to
solve. Rather, draw and ll in a phase diagram, and calculate the requested quantities u
Dne:Thursday/,l ua 18,2016
g column
y 6-cm square by 20-em-lon
g through the 6-cmb
ll
shown in Figure l. The c
l. One-dimensional ow is oceuni
icated by the clashed line.
1mm is ind
enterline of the col
of soil
dpressure heads at points A, B, and C. Choos
CE467L Geotechnical Engineering
Spring 20] 6
om work 4
Iursday, Feb. 11, 2016 (or, (In: Tuesday, Feb. 16 for those attending Sparks)
1738 1818 1891
_E_
Iolume of the mold was 943.9 cm3, and Gs = 2-67. Use the forrnulas below to perforrn
>llowing
l. A 10m layer of sand overlies a 6 m layer of clay, below which there is impermeable rock. For the clay, cV =
4.4 mzlyr. The ultimate consolidation settlement for a given surface loading was determined to be sC 2 18cm.
a) How long will it take for 95% of
CE 467L Spring 2010 2nd Midterm Exam TOPICS The exam will cover lecture, homework, and lab material related to Craig Chapters 3-5 (as stated on the syllabus). This material corresponds to the following Craig Sections and material: Chapter 3: 3.1-3.3 (the
CE467FormulasprovidedonFinalExam
D Cu = 60 D10 d = 1+ w
Cz
= sat w = sat w = g q = kiA j = i w N J = i wV q = kh f Nd ic = w f 3 sin = 1 f f = f tan + c 3 1 f + f 1 f = tan 2 45 + f 2 3
D10 D60 w S d = w w+ S s
(D ) = 30
2
f 3 = tan 2 45 1 f 2
1 f
CE 467L
Page 1 of 2
SOIL CLASSIFICATION
Purpose of a classification system: 1. To establish a standardized language for communicating/describing soil types for engineering purposes. 2. To group soils according to common characteristics and common engineer
CE467L Geotechnical Engineering Spring 2010 Homework 10 Due: Thursday, April 29, 2010 1. Determine the coefficient of consolidation, cv, for the data in Craig Problem 7.1 via the (a) root time method and (b) log time method. You can use Excel to plot the
CE 467L Geotechnical Engineering Spring 2010 Homework 5 Due: Thursday, March 11, 2010 1. Complete Problem 3.1 in Craig. 2. For the soil profile shown below, graph the distributions of total stress, pore water pressure, and effective stress versus depth, u