Department of Civil Engineering Summer 2008

Department of Civil Engineering Summer 2008

The University of Texas at Arlington

Arlington, Texas

Course Syllabus

Description:

Principles of soil stabilization and earth reinforcement; mechanical compaction of difficult soils; preloading and vertical drains; dynamic deep compaction; vibro compaction and replacement; grouting; deep soil mixing; earth reinforcement; tiebacks; soil nailing.

Objectives:

·  To learn the basic principles of ground modification technologies.

·  To learn how theory and judgment are used to solve real-world problems.

·  To gain analytical skills in solving ground modification problems.

Prerequisites:

Soil Mechanics (CE 3343) or equivalent

Class Schedule:

Lecture: Tue, Thu 10:30-12:20 A.M. (Room: Nedderman Hall # 111)

Textbook:

No formal textbook is currently available to cover the basic concepts and practical applications of traditional and newly developed ground modification technologies. However, some references are listed below. A series of handouts will be available.

Engineering Principles of Ground Modification: Manfred R. Housmann, 1990, McGraw Hill Company.

Instructor:

Sireesh saride

Office: NH B05

Office Hours:

Before and after the lectures or by appointment.

Tentative Lecture Topics:

Introduction

Definitions, significance and classification systems of ground modification

Principles of soil modification

Mechanical, hydraulic, chemical & thermal modifications; and reinforcement

Part I: Established technologies

Mechanical modification

Compaction purpose and strategy, methods of compaction (Shallow and Deep), compaction control

Stone Columns – Deep Compaction

Dynamic compaction

Vibro techniques (compaction/replacement)

Geopiers

Hydraulic Modification

Sand Drains

Wick Drains - Vertical Geo-drains (with/without surcharge)

Stone Columns – Secondary Improvement

Chemical Modification

Shallow Soil Stabilization

Mixing technologies (dry mixing, wet mixing, jet mixing, mass mixing)

Grouting technologies (compaction, permeation, chemical, jet grouting)

Thermal Modification

Ground Freezing

Vitrification

Soil Reinforcement Technologies

Soil nailing technology

Mechanically stabilized earth (inextensible and extensible reinforcement)

Other technologies

Blasting; vacuum consolidation; micropiles; ground anchors; horizontal drains; electro-chemicals and biological stabilization.

Part II: Applications

Modification of problematic soils

Expansive soil, organic soil/peat, volcanic soil, diatomeous soils, collapsible soil

Technologies for liquefaction mitigation/remediation & lateral spreading

Densification, Dewatering/earthquake drain, Diagonal solidification, Premixing

Technologies for embankment support

GEC, CSV, VCC, Geopier

Technologies for enviromental/geoenviromental applications

Containment/barrier systems, in situ remediation techniques

Part III: Verification

Evaluation of ground modifications

Probing techniques, geophysical techniques, pushing/pulling techniques

Course Requirements/Policies:

·  Homework: Homework is assigned on a weekly basis. Please turn in your homework at the beginning of the session. The due date is one week after the assigned date. No late assignments will be accepted for grading. The homework must be prepared in a professional style, as described here:

o  Use straight edge, compass and/or French Curves to plot.

o  Use engineering paper and write only on one side of the paper.

o  Record your results to no more than 2 digits after decimal points.

o  Plot sketches (reasonably on scale) to illustrate the concept.

o  Underline the final results.

o  Do not forget the units, if applicable.

o  Number each problem and each page.

o  Write your name and section on the first page.

o  Staple each problem set.

·  Exams: One exam will be held in late July. This exam will cover all topics discussed in the course (Tuesday July 29th 10:00 A.M or a week before).

·  Class participation: You are requested to arrive on time to minimize class disturbance. Please note that class attendance is essential for successful completion of the course.

·  Electronic Device: Any electronic device (e.g., cell phone) that beeps, rings, plays music, or makes any kind of sound must be kept off during the class period to avoid disturbance to your classmates.

Grading Policy:

Homework assignments (3-4)

/

25%

Project summaries & technical writing

/

15%

Mid term project & presentations /

30%

Exam (Tuesday July 29th 10:30 A. M or before)

/

30%

90 - 100% A

80 - 90% B

70 - 80% C

60 - 70% D and

< 60% F.

Attendance Policy: Class attendance and punctuality are expected. Anyone missing class for whatever reason is responsible for any class notes and announcements given in that class.

Drop Policy: Please see university drop policy and deadlines.

CE 5374 1/4