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CIV3505 Structural Analysis

Semester 1, 2022 Toowoomba On-campus
Units : 1
Faculty or Section : Faculty of Health, Engineering and Sciences
School or Department : School of Engineering
Grading basis : Graded
Course fee schedule : /current-students/administration/fees/fee-schedules

Staffing

Examiner:

Requisites

Pre-requisite: MEC2402 and (MAT1502 or ENM1600 or MAT1102) or Students must be enrolled in one of the following Programs: GCEN or METC or MEPR or GCNS or GDNS or MENS or GEPR

Overview

This subject is intended to provide students with a clear and thorough understanding of how to idealize and analyse simple structures such as trusses, beams and frames. These days the analyses of most structures are carried out with the aid of computer programs based on the stiffness method or so-called matrix method of structural analysis. Stiffness method is a subset of the more general analysis method called the finite element method. Engineers cannot simply rely on the generated output from a computer program when designing a structure as there could be many sources of errors such as input data errors (due to misunderstanding of input parameters) and modelling errors. Classical methods of analysis provide means of checking computer generated outputs. Practice in applying classical methods of structural analysis will develop in students a deeper understanding of how basic principles of statics and mechanics of materials are used in the analysis. The course materials in this subject are presented starting with classical methods and then gradually leading up to the stiffness method and the more general finite element method. Modules 1 and 2 review the topics learnt in statics and stress analysis subjects. Module 3 deals with determination of deflections of statically determinate beams, trusses and frames using different classical methods. Module 4 introduces students to analysis of statically indeterminate structures by the force method. Slope deflection equations and moment distribution method, which fall under the general category of displacement method of analysis, are introduced in module 5. Modules 6 to 8 cover the stiffness method of analysis applicable to both statically determinate and indeterminate structures. Students will be introduced to structural analysis computer programs in these modules. Finally, module 9 will introduce students to finite element modelling of structures. Finite element modelling of plane stress, plane strain, plate bending and axisymmetric problems using Strand7 finite element software package will be covered in this module.

Course learning outcomes

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

  1. identify, formulate and solve structural engineering problems;
  2. analyse forces in statically determinate trusses, beams, frames, cables and arches;
  3. calculate deflections using classical methods;
  4. analyse forces in statically indeterminate structures by the force method;
  5. determine displacements and forces in statically determinate or indeterminate beams and frames using the displacement methods of analysis;
  6. solve a variety of truss, beam and frame problems using the stiffness method;
  7. use structural analysis software packages to solve truss, beam and frame problems;
  8. understand the fundamentals of the finite element method;
  9. model and analyse a given structure and check results.

Topics

Description Weighting(%)
1. Review of statics 5.00
2. Analysis of statically determinate trusses, beams, frames, cables and arches 10.00
3. Deflections using double integration, moment-area, conjugate beam and virtual work methods 15.00
4. Analysis of statically indeterminate beams, frames and trusses by the force method 10.00
5. Displacement method of analysis: Slope deflection equations and moment distribution method 10.00
6. Truss analysis using the stiffness method - computer applications 10.00
7. Beam analysis using the stiffness method - computer applications 10.00
8. Frame analysis the stiffness method - computer applications 10.00
9. Introduction to the finite element method 20.00

Text and materials required to be purchased or accessed

Hibbeler, RC 2020, Structural analysis in SI units, 10th edn, Pearson-Prentice Hall, Singapore.
A programmable calculator capable of performing advanced matrix calculations.

Student workload expectations

To do well in this subject, students are expected to commit approximately 10 hours per week including class contact hours, independent study, and all assessment tasks. If you are undertaking additional activities, which may include placements and residential schools, the weekly workload hours may vary.

Assessment details

Approach Type Description Group
Assessment
Weighting (%) Course learning outcomes
Assignments Written Report 1 No 25 1,2,3,4
Assignments Written Report 2 No 25 1,5,6,7,8,9
Examinations Non-invigilated Time limited online examinatn No 50 2,3,4,5,6,8,9
Date printed 10 February 2023