TAMU Mid—Term Examination
Introduction to Geotechnical Engineering (CVEN 365 501 502-503)
Instructor: Dr. Zenon Medina—Cetina
March 10, 2010
Student Name:
Tmﬂlﬂ r.
[I
Instructions: Please read the questions carefully, and write your answers in a sepa

Introduction to Geotechnical Engineering - CVEN365
Instructor: Dr. Marcelo Sanchez
(Mock) Final Exam
1) For the concrete dam shown in Figure last page.
a) Using worksheet Q.1, plot the flow net and determine the quantity of seepage beneath the
dam (per un

Student Name & Surname:_ Signature:_
Introduction to Geotechnical Engineering
CVEN365
Instructor: Dr. Marcelo Sanchez
Assignment 4
Submission deadline: 02/20/2013 4:45pm. Dr Sanchezs Office (8.08Q)
1) For a given soil, the following are known: Gs=2.74, un

CVEN 365
Homework 2
1. Results of sieve analyses for two soils are shown in the table below.
Sieve
3 inch
1-1/2 inch
inch
3/8 inch
#4
#10
#20
#40
#200
Cumulative %Passing
Soil A
100
70
50
35
26
20
13
9
3
Cumulative %Passing
Soil B
100
93
80
76
66
40
28
1

CVEN 365 Homework #3
1. The results from a Proctor compaction test are shown below:
Specimen
Water Content (%)
1
2
3
4
5
6.18
8.10
9.82
12.27
13.19
Total Unit Weight
kN/m3
16.99
18.37
19.60
20.30
20.09
a.
b.
c.
d.
Plot the compaction curve.
Determine the

CVEN 365 Homework #4
1. For the soil profile below, plot the following as a function of depth:
a. Total vertical stress.
b. Pore water pressure.
c. Effective vertical stress.
2 ft
GWT
5 ft
Sand, SP = 132 pcf
10 ft
Clay, CL = 126 pcf
2. A reinforced earth

CVEN 365 Homework 6
1. The skirted mat foundation shown is installed on the seabed to restrain the lateral
movement of a flowline. Estimate the maximum horizontal force that transmitted
from the flowline to the foundation without slippage occurring. Negle

CVEN 365 Homework #5
1. A 10-m by 20-m mudmat foundation will be placed on the seabed. The submerged unit
weight of the seafloor soil is 6.5 kN/m3. The upper 5m of the deposit has a uniform preconsolidation stress 'p = 150 kPa. Below 5 m, the soil is norm

CVEN 365 Homework 7
1. For the wall shown in the figure below:
a. Plot the distribution of total active earth pressure acting on the wall.
b. Estimate the shear at the interface between the wall and the base slab.
c. Estimate the bending moment at the int

CVEN 365 Homework 8
1. For the strip footing on a saturated clay shown below, determine the maximum
allowable column load Pa to maintain a factor of safety of 3. Neglect the effect of the
embedment factors, such that dc = dq =1.
Pa
6 ft
Saturated Clay
=

CVEN 365
Homework 1
1. A cylindrical specimen of soil has a diameter of 2.97 inches and a length 11.23 inches.
The wet mass of the soil is measured to be 2.458 kg. After oven drying its mass is
measured to be 2.083 kg. The soil has a specific gravity Gs=2

Daniel Vicars
CVEN 365-503
Assignment 2
2/6/2013
Part A
1) The purpose of soil classification tests is to group soils of similar geotechnical
characteristics together. Soil index properties allow the classification of soils based on the
structural propert

Introduction to Geotechnical
Engineering
CVEN 365
Instructor:
Dr Marcelo Sanchez
Civil Engineering, Texas A&M University
College Station TX
Topic 7: Settlement Analysis - Consolidation
The time-related process of soil deformation due to the drainage
of so

Introduction to Geotechnical
Engineering
CVEN 365
Instructor:
Dr Marcelo Sanchez
Civil Engineering, Texas A&M University
College Station TX
Topic 8: Shear strength
A basic question concerning any geotechnical structure is:
Is it safe?
In order to answer t

Introduction to Geotechnical
Engineering
CVEN 365
Instructor:
Dr Marcelo Sanchez
Civil Engineering, Texas A&M University
College Station. Texas
Topic 4: Occurrence of Water in Soils & Permeability
Problems in Geotechnical Engineering practise are generall

Introduction to Geotechnical
Engineering
CVEN 365
Instructor:
Dr Marcelo Sanchez
Associate Professor
Civil Engineering, Texas A&M University
College Station TX
Topic 1: Nature and Classification of Soils
The aims of this lecture are:
To understand the or

Introduction to Geotechnical
Engineering
CVEN 365
Instructor:
Dr Marcelo Sanchez
Civil Engineering, Texas A&M University
College Station TX
Topic 5: Water Flow in Soils
Problems in Geotechnical Engineering practise are generally
associated with groundwate

Introduction to Geotechnical
Engineering
CVEN 365
Instructor:
Dr Marcelo Sanchez
Civil Engineering, Texas A&M University
College Station TX
Topic 5: Water Flow in Soils
Problems in Geotechnical Engineering practise are generally
associated with groundwate

CVEN 365 Homework 9
1. A 1-ft diameter pile is driven 50 ft into normally consolidated clay. The soil strength
varies linearly from zero at the ground surface to 1,000 psf at the pile tip. The pile is
submerged and the total unit weight of the soil is 110

CVEN 365 Homework 10
1. For the seepage condition shown below, determine:
a. The total head at points A and B.
b. The pressure in kPa at points A and B.
c. The hydraulic gradient between points A and B.
d. If the permeability of the soil is 0.27 m/day, wh

Phase Relationships
Basic Definitions
Total Unit Weight:
= Total Weight / Total Volume
Dry Unit Weight:
d = Weight Solids / Total Volume
Moisture Content:
w = Weight Water / Weight Solids
Specific Gravity Solids:
Gs = Unit Wt. Solids / Unit Wt. Water
Voi

Stress Solutions from Elasticity Theory
Point Load, P
3P
1
z
2
2
2 z 1 (r / z )
5/ 2
Line Load, Q
z3
( x 2 z 2 )2
z
2Q
x
2Q
xz
2Q
x2 z
( x 2 z 2 )2
x z2
( x 2 z 2 )2
Strip Area, Uniform Intensity q over width B
z
x
xz
q
sin cos( 2 )
q
q
s