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Geotechnical engineering of dams

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  • COURSE DETAILS

    Units of Credit 6 Contact hours 35 hours (short course format) Class 26-28, 31 March & 1st April, 9:00 17:00 CE 109

    Course Coordinator and Lecturer

    Hossein Taiebat [email protected]

    Office: CE 502, Civil Engineering Building (02)9385 5942

    SUBJECT PREREQUISITES AND ASSUMED KNOWLEDGE

    This course is one of the Geotechnical Engineering specialisation courses offered to all MEngSc students in Civil and Environmental Engineering. It heavily relies on Soil Mechanics and Geotechnical Engineering background. Knowledge of Soil Mechanics to Bachelor of Engineering (Civil) standard is essential. Geologist M.Eng.Sc students should take CVEN9525, Fundamentals of Geomechanics, before attempting this course.

    HANDBOOK DESCRIPTION

    Geotechnical engineering for embankment and concrete dams. Zoning of embankment dams. Site investigations planning, and techniques, seepage control measures, and the design and specification and construction of filters. Stability analysis under normal loads for embankment and concrete gravity dams. Foundation preparation, cleanup and grouting. Detailing of embankment dams. Specification and quality control. Design of embankment dams for earthquake; earthquakes in Australia, selection of design earthquake; general design principles, defensive design. Analysis of dynamic stability and deformations of embankment dams. Assessment of liquefaction potential and post liquefaction behaviour. Design of remedial measures. Mine and industrial tailings dams.

    OBJECTIVES AND EXPECTED LEARNING OUTCOMES

    To introduce students to the State of the Art of geotechnical engineering of dams, including assessment of existing dams, and investigation and design of new dams. The course is specialised and designed for those who will work in Geotechnical Engineering, Engineering Geology and Civil, Environmental and Dams Engineering. By the end of the course, successful students should be ale to: Select a suitable section of dam and suggest the required zones Select material and design parameters for the dam and its foundation Select a suitable site among feasible sites for construction of a dam Provide solutions to the geotechnical problems associated with embankment dams Provide solution to prevent seepage and internal erosion of embankment dams Design filters and drains Understand the nature of earthquake and its loading on dams and selection of the design earthquake Evaluate the effects of earthquakes on embankment dams and analyse their foundations for liquefaction Analyse concrete gravity dams under static and earthquake loading Understand the concepts of defensive design for earthquake, cracking and settlement of embankment dams For each hour of contact it is expected that you will put in at least 1.5 hours of private study.

    CVEN9524 Geotechnical Engineering of Dams

    Semester 1, 2014

  • COURSE PROGRAM

    Table below shows the course program.

    Day Morning Afternoon

    26/03

    Introduction, type of embankment and concrete dams, embankment zoning. Selection of embankment type, dam failure.

    An overview of geological problems associated with dams. Geotechnical questions associated with geological environment.

    27/03

    Shear strength, compressibility and permeability of embankment materials and soil foundations

    Analysis of stability and deformation of embankment dams. Nature of earthquake motion,

    28/03 Effects of earthquakes on embankment dams.

    Analysis of liquefaction, post liquefaction strength stability analysis.

    29/03

    30/03

    31/03 Filter design, specification and construction. Control of seepage, internal erosion and piping. Embankment dam details.

    01/04

    Foundation preparation and grouting. Monitoring and surveillance of embankment dams.

    Mine and industrial dams.

    ASSESSMENT

    Assessment will be based on student performance in an assignment, which will be handed out during the course, and the final examination. Assignment: 40% Final exam: 60% Assignment is due on Tuesday, 13th of May. Students are advised to keep a copy of their assignments. The final examination will be of 2 hours duration and will be held in the formal examination period and will cover the entire course. In order to pass the subject, students must receive 40% or more in the final examination and receive an overall total of 50% marks or more for the subject. Notes:

    Exam scripts will not be returned.

    Assignments should be either handed to the lecturer personally, or handed in to the School Office. They may also be posted by mail to the lecturer (a copy must be retained by the student). Email and fax submissions will not be accepted. If a self addressed/stamped envelope is included with the assignment then the marked assignment will be returned to the student.

    Late work may not be accepted or assessed. If you have a good reason for being unable to submit your work on time, it is important that you let your course coordinator knows promptly. There are two kinds of provisions made for students who have good reasons for late submission: - Students who are late with assignments may apply to the subject coordinator for an extension. You must

    apply for an extension before the due date. Extensions may be refused if you do not present documented medical or other evidence of illness or misadventure. An extension is only for a short period, usually no more than a week.

    - Where a longer period is needed, you should apply for Special Consideration. You must make a formal application as soon as practicable after the problem occurs and within three working days of the assessment to which it refers. The application must be made on the Request for Consideration form available from NewSouth Q. The completed application form must be submitted to NewSouth Q.

  • COURSE NOTES

    A comprehensive set of notes will be given to the students. The notes are complete and sufficient for the course. They include references to other information for specific topics if you wish to read further.

    TEACHING STRATEGIES

    The contents of this subject will be presented in a series of lectures followed by tutorials. The lectures explain the theory and design recommendations. They tend to engage students in formal and informal discussions to broaden their understanding of different problems related to Geotechnical Engineering. Students are required to do extra research into the topics related to ground improvements not covered in the lecture. An example of the approaches to learning is:

    Lectures Find out what you must learn

    Hear announcements on course changes

    Take notes on descriptions and interpretation of figures

    Tutorials Be guided by tutors

    Practice solving set problems

    Ask questions

    Private Study Review lecture material

    Participate in tutorial and discussions

    Assessments Demonstrate your knowledge and skills

    Demonstrate higher understanding and problem solving

    DATES TO NOTE

    Refer to MyUNSW for Important Dates available at: https://my.unsw.edu.au/student/resources/KeyDates.html

    PLAGIARISM

    Beware! An assignment that includes plagiarised material will receive a 0% Fail, and students who plagiarise may fail the course. Students who plagiarise are also liable to disciplinary action, including exclusion from enrolment. Plagiarism is the use of another persons work or ideas as if they were your own. When it is necessary or desirable to use other peoples material you should adequately acknowledge whose words or ideas they are and where you found them (giving the complete reference details, including page number(s)). The Learning Centre provides further information on what constitutes Plagiarism at: https://student.unsw.edu.au/plagiarism

    ACADEMIC ADVICE

    For information about: Notes on assessments and plagiarism, School policy on Supplementary exams, Special Considerations, Solutions to Problems, Year Managers and Grievance Officer of Teaching and Learning Committee, and CEVSOC. Refer to Academic Advice on the School website available at: http://www.engineering.unsw.edu.au/civil-engineering/resources/academic-advice