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Mohr's circle; time-dependent soil behaviour; settlement; capacity and failure of foundations; field investigations; slope stability; earth pressure theories and retaining structures.
This second course in geomechanics focuses primarily on the analysis of common geo-structures and foundations. It makes use of the soil mechanics concepts and calculations learned in ENCN 253 and familiarity with this material is assumed. Generally speaking, the course content has been developed on the assumption that ideas and understanding, as opposed to codes or rote-learned formulae, are the backbone of successful engineering – our aim is to understand the behaviour of soil, and then put this understanding to work to solve practical engineering problems and make decisions.
By the end of this course you should be able to:- Analyse the stability of common geotechnical structures and foundations using conventional methods,- Compare various in situ and lab-based testing methods for different soil types and scenarios, and interpret typical soil test data,- Describe and analyse the deformation of soil using effective stress-based principles and appropriate idealisations of soil behaviour,- Describe conventional methods of design for SLS and ULS for geo-structures, and how to use factors of safety.The course is divided into eight modules of roughly equal weight and duration:- Module 1: Undrained strength- Module 2: Consolidation and related settlement- Module 3: Shallow foundations – ultimate capacity and failure- Module 4: Shallow foundations – serviceability and settlement- Module 5: In situ testing and site investigation- Module 6: Deep foundations- Module 7: Slope stability- Module 8: Retaining wallsSpecific learning outcomes for each module will be provided at the beginning of each set of module notes. Use these learning outcomes to guide your study for the course and exam.
Students must attend one activity from each section.
ENCN 353 is taught as a conventional single-semester course, comprising two lectures (4 hours) per week, a weekly tutorial, two lab activities and two assignments. The lectures are used to convey the fundamental concepts and equations; the tutorials provide opportunities for examples on how to apply the theory and the equations learned; the labs help to confirm these concepts and better understand soil behaviour; and the assignment are structured to challenge the students to apply the theories to solve engineering problems.Course notes: Student versions of the course notes (which may contain gaps to be filled in during the lectures) will be made available on Learn prior to the start of each new module. In addition, paper copies of each module will be handed out in class at the beginning of each new module. Master versions of the notes (will all gaps filled in) will not be made available. However, lecture recordings will be available. Therefore, if you miss a lecture it is your responsibility to catch up on the notes from a classmate or using the lecture recordings.Tutorial material: Tutorial material will sometimes be made available on Learn, depending on the format of the tutorial. You will get the most benefit from tutorials if actually you will attend them. We will often go over past exams and assignment questions.Assignments: Assignment question sheets will be made available on Learn at around the same time they are hand out in the class. Assignment solutions will be posted on Learn shortly after the submission date. You should make copies/scans of all your assignments prior to submitting them for assessment.
and Sean Rees
Technical questions: For technical questions related to course content (lectures and tutorial material, assignment questions etc.) please speak to the lecturer for the relevant module during their scheduled office hours or tutorial sessions. In general, technical questions will not be answered by email as there is potential for confusion. Instead, please arrange to speak to the lecturer in person.Administrative and other queries: Please direct any other administrative questions to the Course Coordinator, Dr Gabriele Chiaro.
a) TO PASS: A minimum mark of 40% must be achieved in the end-semester exam in order to pass the course. All modules from the course are examinable.b) Assignments: All assignments must be done individually.All assignments must be submitted by the due date. Late submissions will not be accepted. If a student is unable to complete and submit an assignment by the deadline due to personal circumstances beyond their control they should discuss this with the lecturer involved as soon as possible.Assignments should be submitted to the drop box marked “ENCN353” located in the Engineering Core entrance hall. Official departmental coversheet should be used for all submissions. Assignments submitted without a coversheet will receive a mark of zero.c) Special consideration: Students may apply for special consideration if their performance in an assessment is affected by extenuating circumstances beyond their control.Applications for special consideration should be submitted via the Examinations Office website http://www.canterbury.ac.nz/exams/ within five days of the assessment. Where an extension may be granted for an assessment, this will be decided by direct application to the Department and an application to the Examinations Office may not be required. For ENCN353, special consideration is only available for the final exams, and not for the assignments, labs or tutorials.Students prevented by extenuating circumstances from completing the course after the final date for withdrawing, may apply for special consideration for late discontinuation of the course. Applications must be submitted to the Examinations Office within five days of the end of the main examination period for the semester.d) Tutorials: There will be 10 tutorials, in which students will be asked to work in group of 4. Note that there will be no course grade associate with tutorial attendance. However, you are strongly encouraged to attend all the tutorials for your own benefit in preparation for assignments, labs and exams.e) Lab-scheduling questions: All laboratory reports must be done in group. If you need to swap lab groups due to a clash, please speak to the lab technicians in the first instance.f) Marking queries: Students are not permitted to contact the markers. Should you wish to discuss the marking of a piece of coursework, please contact the Course Coordinator.
A guide to soil mechanics;
Davis, R. O. , Selvadurai, A. P. S;
Plasticity and geomechanics;
Cambridge University Press, 2002.
Muir Wood, David;
Soil mechanics: a One-Dimensional Introduction;
Cambridge University Press, 2009.
Parry, R. H. G;
Mohr circles, stress paths, and geotechnics;
Spon Press, 2003.
Soil mechanics :concepts and applications;
Spon Press, 2004.
Domestic fee $975.00
International fee $5,500.00
* Fees include New Zealand GST and do not include any programme level discount or additional course related expenses.
For further information see
Civil and Natural Resources Engineering.