Geotechnical Engineering
Tutorial 4
2011
Exercise 1
An innite slope is shown in Figure 1 below. The shear strength parameters at the interface of soil and rock are as follows:
c = 18 kN/m2 , = 25 .
a) If H = 8 m and = 20 , nd the factor of safety against
Geotechnical Engineering
Tutorial 2
2011
Exercise 1
A sample of normally consolidated clay failed under eective major and minor principal stresses of 580 kPa and 200 kPa,
respectively. Under rapid shearing the same soil failed at a major and minor princip
UNIVERSITY OF CALIFORNIA, BERKELEY
Spring 2015
Department of Civil and Environmental Engineering
Instructor: J. P. Moehle
CE 120 - Structural Engineering
Solutions of Assinment No. 7
Due: April 1, 2015
Problem 1 : Determine the seismic design values SDS a
UNIVERSITY OF CALIFORNIA, BERKELEY
Spring 2015
Department of Civil and Environmental Engineering
Instructor: J. P. Moehle
CE 120 - Structural Engineering
Solutions of Assignment No. 5
Due: February 27, 2015
Solution:
!
Dead Load from ASCE-7-10 (Table C-3-
UNIVERSITY OF CALIFORNIA,
BERKELEY Spring 2015
Department of Civil and Environmental Engineering
Instructor: J. P. Moehle
CE 120 - Structural Engineering
Solutions of Assignment No. 10
Due: May 1, 2015
UNIVERSITY OF CALIFORNIA, BERKELEY
Department of Civi
UNIVERSITY OF CALIFORNIA, BERKELEY
Department of Civil and Environmental Engineering
Instructor: J. P. Moehle
Spring 2015
CE 120 - Structural Engineering
Solutions of Assignment No. 3
Due: 13 February 2015
Problem-1
Determine whether the structures shown
UNIVERSITY OF CALIFORNIA, BERKELEY
Department of Civil and Environmental Engineering
Instructor: J. P. Moehle
Spring 2015
CE 120 - Structural Engineering
Solutions of Assignment No. 2
Due: 6 February 2015
Problem 1
For the beams shown, calculate the react
UNIVERSITY OF CALIFORNIA, BERKELEY
Department of Civil and Environmental Engineering
Instructor: J. P. Moehle
Spring 2015
CE 120 - Structural Engineering
Solutions of Assignment No. 4
Due: 20 February 2013
Problem-1
Determine (a) the reactions at the supp
Exercise 2 - Solution
(a) Instantaneous loading, therefore we need to carry out a total stress analysis.
Parameters
3
sat = 19kN/m
c = su = 25kP a
= u=0
B = 3.0m
Df = 1.2m
qall = 135kP a
F S =?
General Bearing Capacity Formula:
qult = cNc sc ic dc + qNq s
Geotechnical Engineering
Tutorial 1
2011
Exercise 1
A soil element is shown in Figure 1 below. The magnitude of stresses are x = 120 kN/m2 , = 40 kN/m2 , y = 300 kN/m2
and = 20 . Determine:
a) Magnitude of the principal stresses.
b) Normal and shear stres
Geotechnical Engineering
Tutorial 3
2011
Exercise 1
A sample of clay is loaded isotropically in a triaxial apparatus to an eective pressure of 100 kPa. The volumetric strain is
measured to be 0.02. Assuming the material behaves as an isotropic linear elas
Geotechnical Engineering
Tutorial 5
2011
Exercise 1
Use Taylors curves to determine the maximum height of a 70 slope in homogeneous soil for which = 16 kN/m3 and c = 20
kN/m 2 if:
a) = 25
b) = 10
c) = 0
d) For the case of = 25 , use half the height obtain
Solution1:
(a) and (b):
'
'
H = V k a 2c ' k a
ka = tan 2 (450
'
2
)=
1 sin '
= 0.33
1 + sin '
For point A:
'
'
VA = 0 , thus HA = 2c ' k a = 11.6kN / m 2
The stress state at point A could be obtained from the Mohrs circle in Fig.1.
For point B:
'
VB
Exercise 2-1
Axisymmetric
Axisymmetric
5
4
1
Qult
2
3
I. Hodograph (half portion is drawn due to axisymmetric geometry)
V14
V13
V34
V45
V23
V15
V12
II. Table calculation
Discontinuous
lines
12
Velocity
Length
Strength
Wi
2V
B
Su
2 Su BV
13
2V
B
Su
2 Su B