Structure and Properties of Civil Engineering Mater...
CIV ENG 60

Spring 2014
CE 175 Geotechnical and Geoenvironmental Engineering
Prof. Bray
Assignment 5:
1. (a) Complete Problem 11.1 of Holtz et al. (2011), and (b) Complete Problem 11.2 of Holtz et al.
(2011).
2. At a point in a soil profile, the vertical stress, v, is 1500 psf,
Structure and Properties of Civil Engineering Mater...
CIV ENG 60

Spring 2014
CE 175 Geotechnical and Geoenvironmental Engineering
Prof. Bray
Problem Assignment 2:
1. (a) Complete Problem 4.1 of Holtz et al. (2011). (b) Compare those values with the specific
surface area of kaolinite and montmorillonite clay minerals as a function
Structure and Properties of Civil Engineering Mater...
CIV ENG 60

Spring 2014
CE 175 Geotechnical and Geoenvironmental Engineering
Prof. Bray
Problem Assignment 1:
1.
(a) Briefly describe the key engineering properties of soil? (b) Complete Problem 2.5 of Holtz et al. (2011).
2.
(a) A sample of soil has a volume of 0.38 ft3 and a w
Structure and Properties of Civil Engineering Mater...
CIV ENG 60

Spring 2014
CE 175 Geotechnical and Geoenvironmental Engineering
Prof. Bray
Problem Assignment 3:
1. The hydraulic conductivity of the fine sand used in the experiments shown below is approximately 0.001 cm/sec.
The experiments are performed under steady state condit
Structure and Properties of Civil Engineering Mater...
CIV ENG 60

Spring 2014
CE 175 Geotechnical and Geoenvironmental Engineering
Prof. Bray
Problem Assignment 4:
1. Sheet piles have been installed partially through a silty sand layer to form a 40ft wide
retention system shown below (often called a cofferdam). (a) Draw the flow n
Structure and Properties of Civil Engineering Mater...
CIV ENG 60

Spring 2014
CE 175 Geotechnical and Geoenvironmental Engineering
Prof. Bray
Problem Assignment 8:
1.
A stratum of clay with an average liquid limit of 90% is 30 feet thick. The average water
content of the clay is 80%, and its specific gravity is 2.76. A 10 footthic
Structure and Properties of Civil Engineering Mater...
CIV ENG 60

Spring 2014
CE 175 Geotechnical and Geoenvironmental Engineering
Prof. Bray
Problem Assignment 7:
1. A stratum of clay with an average liquid limit of 90% is 30 feet thick. The average water
content of the clay is 80%, and its specific gravity is 2.76. A 10 footthic
Structure and Properties of Civil Engineering Mater...
CIV ENG 60

Spring 2014
Problem
1
A
steel shaft and
an
a
fixed support
and
in
the
cross section.
are
zero, determine
the
be
applied
to
the
are
120
MPa in
the
aluminum
tube. Use
G=77
aluminum.
Problem
aluminum
to
a
Knowing
maximum
disk
if
steel shaft
GPa
for
tube
rigid
that
torqu
Structure and Properties of Civil Engineering Mater...
CIV ENG 60

Spring 2014
CE 175 Geotechnical and Geoenvironmental Engineering
Prof. Bray
Assignment 6:
1. Complete Problem 10.3 of Holtz et al. (2011).
2. A 1.5 ftthick trapezoidal shaped footing has the dimensions of 5 ft, 15.8 ft, 15 ft, and 15.8 ft (i.e., its
one side is 5 ft