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ENG8805 Design of Offshore Wharves and Jetties

Semester 2, 2011 Online Toowoomba
Units : 1
Faculty or Section : Faculty of Engineering & Surveying
School or Department : Surveying & Spatial Science

Contents on this page

Staffing

Examiner: Jim Durack
Moderator: Ron Ayers

Rationale

The design of offshore wharves is critical to Australia's export industry. This course provides background to the design of these complex structures and guidance on appropriate design procedures.

Synopsis

Much of the design work associated with offshore berths has been pioneering, and a body of knowledge has grown locally with respect to design parameters and loadings, and associated load factors, which can be applied in the design of such structures. The design process is not supported by codes of practice in the main, and research has been the province of diverse disciplines, not directly conversant with or interested in the other fields of learning required to totally encompass the spectrum of skills and knowledge required. It has therefore fallen largely to the practitioners to formulate prediction methods and adopt appropriate theories and levels of risk in the design process. In particular, the array of disciplines and skills which need to be assembled and assessed encompass: Geotechnical behaviour of the submarine seabed conditions; Synoptic forecasts and hindcasting of extreme and predominant weather conditions; Ocean wave hindcasting; Wave refraction, diffraction and reflection analysis; Wave structure interaction; Structure foundation interaction; Moored vessel response and berth availability analysis.

Objectives

The course objectives define the student learning outcomes for a course. On completion of the course, students should:

  1. be aware of the types of bulk loading systems used offshore and their comparative merits;
  2. know the important principal dimensions of classes of bulk carriers as these effect design of the wharf and moorings;
  3. be able to assess loads to the wharf and moorings, the major different loads being due to environmental loads (wind, wave and current importantly), loads due to the berthing vessel, and mooring loads;
  4. be able to compute water level combinations due to tide and storm surge and the probability of occurrence;
  5. be able to calculate wave crest levels in combination with the above for design, and compute the probability of occurrence;
  6. have a logical method of combining load cases with appropriate load factors;
  7. have an appreciation of structural framing systems suitable for wharf, dolphins and approach jetties;
  8. be able to analyse and design such framing systems;
  9. have examined structural details in use in such structures and have come to conclusions as to their effectiveness;
  10. know the construction methods that may be used, and consider these in the design;
  11. be able to join a design team involved in offshore wharves and jetties with confidence.

Topics

Description Weighting(%)
1. Background information 5.00
2. Preliminary studies 5.00
3. Permanent and imposed loads 10.00
4. Wave and current loading 30.00
5. Vessel loading 20.00
6. Combined loads 10.00
7. Design of marine piling 15.00
8. Concrete in marine environments 5.00

Text and materials required to be purchased or accessed

ALL textbooks and materials available to be purchased can be sourced from USQ's Online Bookshop (unless otherwise stated). (https://bookshop.usq.edu.au/bookweb/subject.cgi?year=2011&sem=02&subject1=ENG8805)

Please contact us for alternative purchase options from USQ Bookshop. (https://bookshop.usq.edu.au/contact/)

  • Gaythwaite, John 2004, Design of marine facilities for the berthing, mooring, and repair of vessels, 2nd edn, ASCE Press, Reston, Va.

Reference materials

Reference materials are materials that, if accessed by students, may improve their knowledge and understanding of the material in the course and enrich their learning experience.

Student workload requirements

Activity Hours
Assessments 55.00
Directed Study 55.00
Private Study 55.00

Assessment details

Description Marks out of Wtg (%) Due Date Notes
ASSIGNMENT 1 200 20 29 Jul 2011
ASSIGNMENT 2 150 15 12 Aug 2011
ASSIGNMENT 3 200 20 26 Aug 2011
ASSIGNMENT 4 450 45 28 Oct 2011

Important assessment information

  1. Attendance requirements:
    There are no attendance requirements for this course. However, it is the students' responsibility to study all material provided to them or required to be accessed by them to maximise their chance of meeting the objectives of the course and to be informed of course-related activities and administration.

  2. Requirements for students to complete each assessment item satisfactorily:
    To satisfactorily complete an assessment item a student must achieve at least 50% of the marks or a grade of at least C-. Refer to Statement 4 below for the requirements to receive a passing grade in this course.

  3. Penalties for late submission of required work:
    If students submit assignments after the due date without extenuating circumstances then a penalty of 5% of the assigned mark may apply for each working day late up to a maximum of ten working days at which time a mark of zero can be recorded for that assignment

  4. Requirements for student to be awarded a passing grade in the course:
    To be assured of receiving a passing grade in a course a student must obtain at least 50% of the total weighted marks for the course.

  5. Method used to combine assessment results to attain final grade:
    The final grades for students will be assigned on the basis of the weighted aggregate of the marks (or grades) obtained for each of the summative assessment items in the course.

  6. Examination information:
    There is no examination in this course.

  7. Examination period when Deferred/Supplementary examinations will be held:
    Not applicable

  8. University Student Policies:
    Students should read the USQ policies: Definitions, Assessment and Student Academic Misconduct to avoid actions which might contravene University policies and practices. These policies can be found at http://policy.usq.edu.au/portal/custom/search/category/usq_document_policy_type/Student.1.html.

Assessment notes

  1. The due date for an assignment is the date by which a student must email the assignment to USQ. The onus is on the student to provide proof of the dispatch date, if requested by the Examiner.

  2. Students must retain a copy of each item submitted for assessment. This must be dispatched to USQ within 24 hours if required by the Examiner.

  3. In accordance with University's Assignment Extension Policy (Regulation 5.6.1), the examiner of a course may grant an extension of the due date of an assignment in extenuating circumstances.

  4. The usual method of assessment submission for the Faculty is by written, typed or printed paper-based media (i) submitted to the Faculty Office for students enrolled in the course in the on-campus mode, or (ii) mailed to the USQ for students enrolled in the course in the external mode. The due date for the assessment is the date by which a student must (i) submit the assessment for students enrolled in the on-campus mode, or (ii) mail the assessment for students enrolled in the external mode.

  5. The Faculty will NOT normally accept submission of assessments by facsimile or email.

  6. If electronic submission of assessments is specified for the course, students will be notified of this in the course Introductory Book and on the USQ Study Desk. All required electronic submission must be made through the Assignment Drop Box located on the USQ Study Desk for the course, unless directed otherwise by the examiner of the course. The due date for an electronically submitted assessment is the date by which a student must electronically submit the assignment. The assignment files must be submitted by 11.59pm on the due date using USQ time (as displayed on the clock on the course home page; that is, Australian Eastern Standard Time).

  7. Students who do not have regular access to postal services for the submission of paper-based assessments, or regular access to Internet services for electronic submission, or are otherwise disadvantaged by these regulations may be given special consideration. They should contact the examiner of the course to negotiate such special arrangements prior to the submission date.

  8. Students who have undertaken all of the required assessments in a course but who have failed to meet some of the specified objectives of a course within the normally prescribed time may be awarded the temporary grade: IM (incomplete - Make up). An IM grade will only be awarded when, in the opinion of the examiner, a student will be able to achieve the remaining objectives of the course after a period of non directed personal study.

  9. Students who, for medical, family/personal, or employment-related reasons, are unable to complete an assignment or to sit for an examination at the scheduled time may apply to defer an assessment in a course. Such a request must be accompanied by appropriate supporting documentation. The following temporary grade may be awarded: IDM (Incomplete Deferred Make-up).

  10. Harvard (AGPS) is the referencing system required in this course. Students should use Harvard (AGPS) style in their assignments to format details of the information sources they have cited in their work. The Harvard (AGPS) style to be used is defined by the USQ Library's referencing guide. //www.usq.edu.au/library/referencing

Other requirements

  1. Students must have access to e-mail and internet access to UConnect for this course.