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Updated Subject Outline - 2020 Autumn...

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SUBJECT OUTLINE 48360 Geotechnical Engineering Course area

UTS: Engineering

Delivery

Autumn 2020; City

Subject Fields of practice: Civil Engineering program classification Credit points 6cp Requisite(s)

48330 Soil Behaviour

Result type

Grade and marks

Subject coordinator A/Prof Hadi Khabbaz Phone: (02) 9514 9942 E-mail: [email protected] Consultation Times: As advised on UTSOnline If you wish to discuss your questions or need further help with understanding concepts in the subject, please see the lecturer after each lecture, or during tutorial classes or consultation hours. If you are unable to come then, please email and suggest several alternative times when you will be available. Email messages will be responded within two working days.

Teaching staff A/Prof Hadi Khabbaz Phone: (02) 9514 9942; E-mail: [email protected]

Subject description The aim of this subject is to develop students' technical competence in the analysis of soil masses and of structures associated with the soil. The analysis of footings, piles, retaining walls and soil slopes are examples. By completing this subject, students should be able to understand the concept of failure in soil and apply it to the analysis of soil masses; critically appraise a problem in order to decide which particular analysis should be used; identify the limitations of their analyses and carry out appropriate solution validation; be responsible for the analysis component of a design team; study the relevant literature and learn to apply new or more complex methods of analysis; and carry out fieldwork in association with subsurface investigations. Topics include introduction to geotechnical design (criteria, codes, engineering judgment); site investigation (planning, fieldwork, techniques); shallow foundations (types, bearing capacity theories, settlement); retaining structures (earth pressure theories, Rankine and Coulomb methods, analysis of gravity walls, cantilever walls, braced excavations); deep foundations (types, load-carrying capacity, settlement, group behaviour, lateral loading); slope stability (failure mechanisms, infinite slopes, rotational failure, remedial measures); and soil improvement (site classification, reactive soils behaviour, ground improvement methods).

Subject learning objectives (SLOs) Upon successful completion of this subject students should be able to: 1. Understand the concept of failure in soil and apply it to the analysis of soil masses 2. Critically appraise a problem in order to decide which particular analysis should be used 3. Identify the limitations of design approaches and carry out appropriate solution validation 4. Apply appropriate numerical and analytical procedures in design of geotechnical engineering structures 5. Assess and differentiate required field work in association with subsurface investigations

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Course intended learning outcomes (CILOs) This subject also contributes specifically to the development of the following Course Intended Learning Outcomes (CILOs): Socially Responsible: FEIT graduates identify, engage, interpret and analyse stakeholder needs and cultural perspectives, establish priorities and goals, and identify constraints, uncertainties and risks (social, ethical, cultural, legislative, environmental, economics etc.) to define the system requirements. (B.1) Design Oriented: FEIT graduates apply problem solving, design and decision-making methodologies to develop components, systems and processes to meet specified requirements. (C.1) Technically Proficient: FEIT graduates apply abstraction, mathematics and discipline fundamentals, software, tools and techniques to evaluate, implement and operate systems. (D.1) Collaborative and Communicative: FEIT graduates work as an effective member or leader of diverse teams, communicating effectively and operating within cross-disciplinary and cross-cultural contexts in the workplace. (E.1)

Teaching and learning strategies This subject comprises lectures, active tutorials and collaborative learning sessions on detailed design, individual tests, assignments and a group project. The class meets twice a week, the first meeting is a lecture, while the second meeting will consist of a tutorial and a design forum. This subject integrates online and face-to-face experiences. Students gain first exposure to new material outside of class. Students are expected to read and think about the materials prepared for each class including lecture notes, video clips, worked examples and conceptual questions on the topic, before attending the class. Then almost half of the class time is used to do the harder work of integrating that knowledge through strategies such as problem-solving and discussion on the conceptual questions design methodologies and construction aspect of the target geotechnical structures. Students undertake a design project that runs throughout the subject. The aim of this project is to develop design skills through experience in applying the subject material, critically reviewing available information in literature, and analysing data to a practical design situation. Students should work as a team. It will be an opportunity for students to practice real world engineering problems and promote their critical thinking. Students will form themselves in small groups, providing a collaborative learning experience to produce a design project. Constructive feedback on the progress of the project will be given early on and during class time; therefore students can address the comments in their final submissions. Students are encouraged to use the new collaborative spaces available at UTS to facilitate the required collaborative group work for planning and presenting the major research project. Students undertake three open book quizzes in this subject to assess and further develop their understanding of key concepts in geotechnical engineering, problem solving skills, engineering decision making and innovative thoughts. Past examination questions and papers will be posted on UTSOnline in the form of tutorial examples, quizzes and solved assignments. Students are expected to review them, before attending the class quiz. Students undertake a number of assignments that involve problem solving and engineering decision making. The assignments will include solving the given technical problems, preparation of short written reports and completion of a self-learning module. Where feasible, assignments are designed to encourage students to work with a wide range of data inputs and apply innovative approaches. These assignments are largely self-assessed in order to allow students to gauge their understanding of the subject matter. There are many opportunities for students to receive written or oral feedback. Students will receive constructive feedback on their assignments, quizzes and group projects. One week after each quiz and submission of assignments, students will receive individual feedback as well as collective in-class feedback. Peer feedback and online formative feedback will be provided on students’ first quiz, before the census date. See at the specific assessment tasks for more detail.

Content (topics) Introduction to geotechnical design - design criteria, codes, accepted design values Site investigation: planning, field work, techniques, reporting Shallow foundations: types, bearing capacity theories, settlement 26/02/2020 (Autumn 2020)

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Deep foundations: types, load carrying capacity, settlement, group behaviour, lateral loading Retaining structures: earth pressure theories; Rankine and Coulomb, analysis of gravity walls, cantilever walls, braced excavations Slope stability: failure mechanisms, infinite slopes, rotational failure, remedial measures Soil improvement and dealing with problematic soils including site classifications and expansive soil stabilisation

Program Week/Session 1

Dates

Description Revision of soil mechanics Notes: Feedback on Online Quiz

2

Site investigations: planning, investigation methods, evaluation, reporting. Notes: Tutorial 1: Basic design

3

Introduction to Geotechnical Engineering. Shallow foundations: load deformation behaviour, ultimate load and working load, Terzaghi’s theory of bearing capacity, total and effective stress analyses. Notes: Site investigation equipment and methods; Class discussion on past quiz questions

4

Shallow foundations: Hansen’s bearing capacity analysis, eccentric loading and moments. Notes: QUIZ 1 (On soil mechanics and site investigations) on 31st March

5

Public Holiday (Good Friday) No lecture on Friday Notes: Tuesday: Tutorial 3: Shallow foundations. Feedback on Quiz 1

6

Immediate and total final settlements, settlement based on 1D consolidation and elastic theories, and rate of settlement. Notes: Distribution of stresses under loaded areas.

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Major Project explanation and discussion and group organisation

Review Week / StuVac

Mid-session Study Vacation Week - No lecture Notes: No tutorial class

7

Deep foundations: pile types and methods of installation, load carrying capacity of single piles and pile groups. Notes: Tutorial 4: Settlement of shallow foundations Task: Assignments Set #1 to be submitted by Sunday 3rd May (11:59 pm)

8

Lateral earth pressures: at rest, active and passive states, Rankine and Coulomb theories, total and effective stress analyses. In-class feedback on Assignments Set #1 Major Project explanation and discussion Notes: QUIZ 2 (On shallow foundations, including bearing capacity and settlement) on Tuesday 5th May Tutorial 5: Deep foundations

9

Retaining walls: embedded walls, anchored walls, braced walls. Feedback on Quiz 2 Notes: Tuesday: Retaining walls: AS 4678, gravity walls, factors of safety against sliding, overturning and bearing capacity.

10

Slope stability: failure mechanisms, infinite slopes, method of slice, Swedish and Bishop methods, Taylor’s charts, and practical considerations. Notes: Tutorial 6: Earth pressure Tutorial 7: Retaining walls

11

Site classification, reactive soils behaviour, soil stabilisation; compaction, additives, reinforcing, preloading and ground improvement methods. Notes: QUIZ 3 (On lateral earth pressures, retaining walls and anchored walls) on

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26th May Tutorial 8: Slope stability. Task: Assignments Set #2 to be submitted by Sunday 31st May (11:59 pm)

12

Major Project work Notes: Revision of main topics. In-class feedback on Assignments Set #2 Feedback on Quiz 3 Task: Major project report to be submitted by Sunday 7th June (11:59 pm)

The aim of this subject is to develop students' technical competence in the analysis of soil masses and of structures associated with the soil. The analysis of footings, retaining walls and soil slopes are examples. By completing this subject, students should be able to understand the concept of failure in soil and apply it to the analysis of soil masses; critically appraise a problem in order to decide which particular analysis should be used; identify the limitations of their analyses and carry out appropriate solution validation; be responsible for the analysis component of a design team; study the relevant literature and learn to apply new or more complex methods of analysis; and carry out fieldwork in association with subsurface investigations. Topics include introduction to geotechnical design – criteria, codes, engineering judgment; site investigation – planning, fieldwork, techniques; shallow foundations – types, bearing capacity theories, retaining structures; earth pressure theories – Rankine and Coulomb, analysis of gravity walls, cantilever walls, braced excavations; deep foundations – types, load-carrying capacity, settlement, group behaviour, lateral loading; slope stability – failure mechanisms, infinite slopes, rotational failure, remedial measures; and soil improvement – compaction, soil stabilisation, dewatering, preloading.

Assessment Assessment task 1: Geotechnical Engineering assignments Intent:

To strengthen design skills and problem solving techniques; identify students’ issues in analysis and design, apply corrective measures

Objective(s): This assessment task addresses the following subject learning objectives (SLOs): 1, 2, 3 and 4 This assessment task contributes to the development of the following Course Intended Learning Outcomes (CILOs): B.1, C.1, D.1 and E.1 Type:

Report

Groupwork: Individual Weight:

10%

Task:

Students will classify, formulate and solve various problems, and differentiate the different types of solutions. Assignment tasks will be posted on UTSOnline. Marked assignments can be collected in the tutorial classes, two weeks after submission.

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Length:

Varies with each assignment

Due:

* Assignments Set 1: Week 7, Sunday 3/05/20, Time: 23:59 * Assignments Set 2: Week 11, Sunday, 13/05/20 Time: 23:59 See also Further information.

Further The assignment report should have your full name, student number and a checklist indicating the list information: of the assignment questions and answers. Your answers to the questions should be written on this list followed by a tick or a cross depending upon whether your answer is correct or not. This is a self evaluation exercise, which will be checked by the subject coordinator. Students should submit the detailed solutions of the assignments on the due dates. Marked assignments can be collected in two weeks after submission in the tutorial classes. Each student should submit the assignment solutions individually and separately.

Assessment task 2: Major design project Intent:

Work in a team to evaluate, design and summarise a real life geotechnical project.

Objective(s): This assessment task addresses the following subject learning objectives (SLOs): 1, 2, 3, 4 and 5 This assessment task contributes to the development of the following Course Intended Learning Outcomes (CILOs): B.1, C.1, D.1 and E.1 Type:

Project

Groupwork: Group, group and individually assessed Weight:

15%

Task:

The main aim of the group project is to develop design skills for solving Geotechnical Engineering problems. The description of the group project will be provided to all students. All projects require an oral presentation and a written report, which includes the methods used in the design and the necessary calculations. Marks will be awarded based on the written report, the presentation and the adequacy of the design work and correctness of calculations.

Due:

Week 12, Sunday 07/06/20, Time: 23:59. See also Further information.

Further Each group should submit only one report. The report shall address the required tasks. Every information: member in the group must write some section of the report. The name(s) of the author(s) of each section of the report must be clearly stated at the beginning of each section. The report should include two Appendices. One should simply be a collection of the paperwork generated by the group, such as calculations. Once again the name(s) of the members of the group responsible for the work presented in the Appendix must be stated. The other Appendix should give some discussion on the effectiveness of the group. It should reflect on how the group coordinated and checked the work and how communication was managed. Comments should be included on any relevant matters pertaining to the functioning of the group. A booklet, including the detailed procedures and clear requirements for report preparation, will be provided to all students and posted on UTSOnline.

Assessment task 3: Class quizzes

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Intent:

To strengthen design skills and problem solving techniques; identify students’ issues in analysis and design, apply corrective measures

Objective(s): This assessment task addresses the following subject learning objectives (SLOs): 1, 2, 3 and 4 This assessment task contributes to the development of the following Course Intended Learning Outcomes (CILOs): B.1, C.1, D.1 and E.1 Type:

Quiz/test

Groupwork: Individual Weight:

25%

Task:

Three open book quizzes will be held during the teaching session. The aims of these quizzes are to keep students up to date with the concepts and methods covered in lectures, practice problem solving techniques, provide a convenient means for students to assess their understanding of fundamental rules and ability to deal with small design and practical problems.

Due:

Quiz 1 - Date: Week 4, Tuesday, 31/03/20, Time: 10am – 11am (Tut1) and 12pm - 1pm (Tut2); Quiz 2 - Date: Week 8, Tuesday, 05/05/20, Time: 12pm - 11am (Tut1) and 12pm - 1pm (Tut2); Quiz 3 Date: Week 11, Tuesday, 26/05/20, Time: 12pm - 11am (Tut1) and 12pm - 1pm (Tut2). See also Further information.

Further The duration of each quiz would be 45 to 90 minutes. All quizzes are open book. The quizzes consist information: of a number of questions, which normally require some calculations.

Assessment task 4: Final exam Intent:

Validation of learning of the fundamental concepts, problem solving skills, analysis and design procedures in Geotechnical Engineering and their application to realistic problems. To assess student's capabilities in development of the required objectives of the subject and gain sound knowledge of in this area and also to encourage students to review the main concepts of the topics and integrate the knowledge gained throughout the session.

Objective(s): This assessment task addresses the following subject learning objectives (SLOs): 1, 2, 3 and 4 This assessment task contributes to the development of the following Course Intended Learning Outcomes (CILOs): B.1, C.1, D.1 and E.1 Type:

Examination

Groupwork:

Individual

Weight:

50%

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Task:

This exam lasts for about 2 hours and normally consists of 5 to 7 questions on different topics. The final exam is an open book and students can bring calculators (including programmable) and any written material in the examination venue.

Due:

UTS Exam period

Further The final exam covers the whole subject materials. information:

Use of plagiarism detection software Avoiding plagiarism is an essential step in the process of learning to write academically. Students’ assignments and reports may be monitored by the plagiarism detection software used by UTS. Please refer to the following link for more information to avoid plagiarism: http://web.uts.edu.au/teachlearn/avoidingplagiarism/

Assessment feedback All assessments are based on problem solving to provide students with opportunities to demonstrate their grasp of concepts and principles used in analysing and designing of geotechnical engineering structures. Feedback is disc...