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Faculty of Engineering, Environment and Computing                   
                                                Module: Engineering Analysis                                        
COURSEWORK INSTRUCTIONS FOR                                 
Structural Assessment Computer Lab.                                                                  
1.           Deliverables
A report (max 1200 words) plus two computer software project files.
5.         Submission Procedure
This coursework report and the software project files must be uploaded to coursework submission links on the .moodle web in PDF format by the submission date above.
The report file should be uploaded to the Turnitin submission link .
The two software project files should be uploaded to the submission link “Submit Software Project files”. The submission link has been set up to allow two file submission.
You are strongly advised to keep your own copy of the submitted work either in H drive or in the OneDrive provided by the university to all students. Work submitted late will be subject to late penalties according to University Regulations.  IT failure is not an acceptable reason for late submission unless it is the failure of the university server.
6.         Mark and Feedback of the Coursework
This coursework contributes to 25% of the total module mark. Feedback sheet will normally be uploaded to module within 2 weeks after submission.
7.         Student Hours
It is expected that you should spend about 25 hours completing this work. This includes required study and analysis, the execution of the analysis models and report writing.
8.         Deferral and Extension
If you can’t submit your coursework by the deadline due to events beyond your control,  you can apply for an extension to your deadline for up to two weeks, or if you need longer, you can apply for a deferral, which takes you to the next assessment period* (for example, to the resit period following the main Assessment Boards). You must apply before the deadline.  You will find information about the process and what is or is not considered to be an event beyond your control at https://share.coventry.ac.uk/students/Registry/Pages/Deferrals-and-Extension.aspx
(* if you fail the deferred coursework under this circumstance, the resit coursework submission will be in July 2018.)
Assignments that are more than 10% over the word limit will result in a deduction of 10% of the mark i.e a mark of 60% will lead to a reduction of 6% to 54%.
9.         Aims and Objectives
It is a major challenge for structural engineers to evaluate the safety of a structure after damage (loss of member stiffness). In this computer lab, you will model a 2-D steel structural frame subject to number of possible damages and investigate appropriate repair schemes.  You will carry out a parametric study to quantify the risk of the structural failure if the damages is ignored.
10.       Learning Outcomes
This coursework covers the following module learning outcomes.  You will be able to

Interpret and evaluate experimental data in the context of the theory developed within this module.
Carry out non-routine calculations in order to apply structural theory to the solution of typical engineering design problems.
Present relevant information and calculations in a clear and unambiguous way.

Specifically after undertaking this coursework you will be able to:

Model a 2 dimensional steel frame in a commercial software, Midas Civil.
Investigate the structural behaviour as influenced by damages (losses of stiffness) leading to in service failure and finally collapse;
Study the sensitivity of damage (loss of stiffness) to the integrity of a structure.

11.      Coursework Tasks
Part 1 – Modelling the steel frame without damages
The 2 dimensional steel frame as shown in Appendix A is for a two story office building.  The combination of variable loads as indicated is considered as one of the extreme cases for this exercise.
Your task is to model the steel frame in a structural analysis software without application of any safety factor.  The model analysis should include the full unfactored variable loads as shown and the unfactored self weight of the frame structural members.  It is assumed that all columns are “rigidly” connected to the foundation of which no vertical, horizontal and rotational displacement occurs under load.
The following should be reported:  the bending moment and the shear force diagrams for all column and beam members; the axial forces and deflections of the “appropriate structural members”. Indicate all significant values. A summary table of those significant values and locations will be useful. (Please label all structural members clearly within the report, examiners will not use element number in your software model to identify members described in the report).
Please save the software project file with a name of “330CAB-P1-your last name- your student id”.  Make sure you backup the file.
Part 2 – Modelling of steel frame with damages
Repeat the model in Part 1 with the following modifications to represent damages:

The beam to column connections marked as “A” were installed as a pinned connection by mistake instead of intended rigid connection.
The column bases marked as “Y” is no longer rigidly connected to the pad footing but only “pinned” to the foundation due to damage to the stiffeners of the connection.

The following should be reported: the bending moment and the shear force diagrams for all column and beam members; the axial forces and deflections of the “appropriate structural members”. Indicate all significant values. A summary table of those significant values and locations will be useful. (Please label all structural members clearly within the report, examiners will not use element number in your software model to identify members described in the report).
After completion of this task, save the software project file with a name of “330CABP2-your last name and your student id”. Make sure you backup the file.
“Appropriate structural members” – you should study the results from both models and decide which members are “overloaded” and should be presented in the report for discussion.
Part 3 – Parametric Studies and discussion
You should assume that the given structure without damage (as in Part 1) has been designed to a “safe” standard (please do not refer to any standards such as British Standards or Eurcodes).  Compare the results of the two models showing structural members and significant values of forces/moments. Identify the members which will initiate possible structural failure and by what mechanisms/cases (by bending or by shear or by axial tension/compression or due to excessive deflection).  Explain how the damages cause those possible failure cases.  You should point out any limitations and assumptions of the analysis.
Part 4 – Conclusion
(i) Conclude your assessment of the damaged structure above, (ii) comment on your experience of using structural analysis software to carry out the task and (iii) any knowledge you have learnt from the exercise. (Please do not copy text from the software manual about the functionality of the software as your findings here).
12.       Resources
Midas Civil are both installed in all PC computers in John Laing Building.  You can also us the new “MyLaunch” facility to use the softwares at home. Please consult the IT services about “MyLaunch”. However, it is known that “MyLaunch” may not be able to set up in some PC settings.  No able to use the software at home is not a reason to obtain submission extension.  You are expected to complete the modelling and obtain computer results well in advance to have time for writing the report.  No last minute failure of software usage will be considered for submission extension.
Training sessions using Midas Civil is organised within this module. Tutorials in JL104 in the first three weeks of the semester are specific for this training.  The training will not be repeated although the normal tutorial session could cover difficulties in the modelling of the structure.
13.       Marking Scheme/Criteria

The report should include: Introduction, results of the as-design model (Part 1 above), results of the damaged structural model (Part 2 above), Comparison and Discussion (Part 3) and Conclusion (Part 4).
The maximum word count limit for this coursework is 1200. A 10% reduction in the final coursework mark will be imposed if this limit is exceeded by 10%.
There is no page or word count limit for diagrams, figures and charts/plots. You may mix diagrams/figures and text together to improve presentation but the maximum amount of text remains restricted by the limits above.
Present your work neatly. Marks will be deducted for untidy work.  It is important that all structural members are labelled and described in the report without reference to the computer models.  Examiners will not cross reference element numbers between your report and your model files.

Although mutual support to learn the software will not be discouraged, the submitted work must be clearly your own. If any section of your submission is identical to that of another student, you will be reported for academic misconduct investigation which could result in a severe disciplinary penalty.
As a guide, marks will be awarded as follows:
Correct modelling of the steel frames                                                       15% Correct modelling of the “damaged” conditions                                  15% Appropriate and correct comparisons of the two models                     25%
Discussions and Conclusions                                                                   35%
Quality of presentation                                                                                10%
(Note:  error or omission of units or mis-use of technical terms leading to confusions are considered beyond “Quality of presentation” and you may loss    significant mark from any  of the criteria above.)
Appendix A
2 dimensional steel frame
All joints are designed to be rigidly connected except the two bracings which have pinned connections (symbol “” in the drawing).  All column bases are rigidly connected to the foundations which are horizontally, vertically and rotationally restrained.  The indicators “A” and “Y” are for the damaged structure, please refer to “Part 2 – Modelling of steel frame with damages” for details.
Member size:
Columns                  203 x 203 x 60 UC
1st floor Beams       254 x 102 x 25 UB
Roof Beams             203 x 102 x 23 UB
Bracings    114.3 DIA x 3.6 THK x 9.83kg/m  CHS (Circular Hollow Section)
Self weights of structural members as shown above by the member type and size.
Vertical downward load on first level beam = 15 kN/m Vertical downward load on roof beams   = 4 kN/m
Horizontal forces (equivalent to wind load) as shown. No other load is required for consideration.

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