CIVL341 I Geotechnical Engineering
Lecturers: Prof Itai Einav and Dr F rangois Guillard
Slope stability, Assignment #1
8-Sept-I 7
Submission:
0 Assignment must be submitted to your tutor, during week
SOIL CHARACTERISATION:
STRESSES and STRAINS
DISCUSSION: continuum VS discrete?
Yixiang Gan
Slide Number: 1
The University of Sydney
Stresses during & after penetrometer impact
(photoelasticity)
Bob Be
Geotechnical Engineering
Tutorial 1
2011
Exercise 1
A soil element is shown in Figure 1 below. The magnitude of stresses are x = 120 kNm2 , = 40 kN/m2 , y = 300 kN/m2
and = 20 . Determine:
a) Magnitud
Geotechnical Engineering
Tutorial 6
2011
Exercise 1
Determine the maximum thrust, P a, on the wall shown in Figure 1 below. The properties of the soil are: = 17.5 kN/m3 ,
c = 10 kN/m2 , = = 19 . Assum
Geotechnical Engineering
Tutorial 7
2011
Exercise 1
Note: This question was part of a previous final exam
Given the gravity wall described in Fig. 1(a), embedded in sandy clay:
a) Use the Rankines met
Geotechnical Engineering
Tutorial 3
2011
Exercise 1
A sample of clay is loaded isotropically in a triaxial apparatus to an effective pressure of 100 kPa. The volumetric strain is
measured to be 0.02.
Geotechnical Engineering
Tutorial 2
2011
Exercise 1
A sample of normally consolidated clay failed under effective major and minor principal stresses of 580 kPa and 200 kPa,
respectively. Under rapid s
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) =
4633 Semester-2 2008 Page 1 of 4
THE UNIVERSITY OF SYDNEY
FACULTY OF ENGINEERING
(School of Civil Engineering)
Senior Year Examination
CIVL 3411 FOUNDATION ENGINEERING
November 2008 Time allowed: Thre
Soil models
1. Stress and failure criterion
Stress and failure criterion
q
q=Mp
M=
6sin '
3 sin '
Compression
3
sin = 1
1 + 3
=ntan
p
M* =
3
6sin '
3 + sin '
1
*
q=M p
Extension
Example
A dry sand is
46/33 Semester 2 2006 Page 1 of 4
THE UNIVERSITY or SYDNEY
FACULTY OF ENGINEERING
(Department of Civil Engineering)
Senior Year Examination
CIVL 3411 FOUNDATION ENGINEERING
November 2006 Time allowed:
46/33 Semester 2 2007 Page 1 of 5
THE UNIVERSITY OF SYDNEY
FACULTY OF ENGINEERING
(School of Civil Engineering)
Senior Year Examination
COURSE CIVL 3411 FOUNDATION ENGINEERING
November 2007 Time allow
Soil models
1. Critical state & Cam clay model
Critical state concept
v
N
1
1
q
q=Mp
v
url
1
A
Mpncl/2
B
ncl
csl
lnp'r
lnpcsl
p
pncl/2
pncl
lnp
lnp'ncl
The behaviour of soil is governed by:
Unloading-
Soil models
1. Stress and failure criterion
Stress and failure criterion
q
q=Mp
M=
6sin '
3 sin '
Compression
3
sin = 1
1 + 3
=ntan
p
M* =
3
6sin '
3 + sin '
1
*
q=M p
Extension
Example
A dry sand is
CIVL 3411 Geotechnical Engineering
Retaining Walls (2)
Yixiang Gan
[email protected]
1
Active and Passive Earth Pressure
0
h
K= 0
v
Lateral stresses under conditions of one-dimensional strain
CIVL 3411 Geotechnical Engineering
Foundations
Yixiang Gan
[email protected]
1
Foundation Challenges
56 m
47 m
Type of Loading: Static Loading
4o
3o
water
Tower of Pisa (1173-1372 AD)
14,700 t
Geotechnical Engineering
Tutorial 4
2011
Exercise 1
An infinite slope is shown in Figure 1 below. The shear strength parameters at the interface of soil and rock are as follows:
3
c0 = 18kN/m , 0 = 25
School of Civil Engineering
CIVL3805 Project Scope, Time and Cost Management - Semester 2, 2013
Tutorial 2 (week 3) Scope Definition & Developing a Work Breakdown Structure (WBS)
Part A: Short answer
Geotechnical Engineering
Tutorial 8
2011
Exercise 1
Calculate the bearing capacity force Qult of the strip footing shown in Figure 1 for the three competing mechanisms. Assume
rapid loading of clay wi