1 Semester

48 Hours

Hawthorn, Sarawak

HES2120 Structural Mechanics

Nil

Credit Points: 12.5 Credit Points

Related Course/s:

A unit of study in Bachelor of Engineering (Civil Engineering) and Bachelor of Engineering (Civil)/Bachelor of Commerce.

Aims & Objectives:

This unit aims to provide students with knowledge and skills to analyse indeterminate structures using approximate methods and to design steel structures.

At the end of this unit students will be able to:

• Analyse indeterminate frames and trusses using approximate methods of analysis
• Define and contrast the material properties of steel
• Determine the ultimate tensile capacity of steel members considering both yielding and tensile fracture
• Determine the ultimate bending moment capacity of steel members considering both yielding and lateral buckling
• Assess shear capacity of beams and design web bearing stiffeners if required
• Determine the effective length of compression members in both braced and sway conditions
• Determine the ultimate capacity of compression members taking into account both yielding and buckling
• Identify the load paths in connections and classify the function of steel connections according to their moment carrying capacity
• Describe different welding techniques and classify different types of bolts and their installation
• Design bolted connections in shear, tension and combined actions
• Design welded connections and fastener groups
• Use design capacity tables (DCT) to design steel members and connections
• Work effectively in small groups to design a simple steel structure considering different loading actions, constructability and structural safety

Teaching Methods:

Lectures (24 hours), Tutorials (18 hours), Laboratory class (2 hours) and Design classes (4 hours)

Assessment:

End of Semester examination (50-70%) and assessment during semester (tests, laboratory reports and assignments) (30-50%)

Generic Skills Outcomes:

• Ability to apply knowledge of basic science and engineering fundamentals
• Ability to undertake problem identification, formulation and solution
• Ability to utilize a systems approach to design and operational performance
• Ability to function effectively as an individual and in a multi-disciplinary and multi-cultural teams, with the capacity to be a leader or manager as well as an effective team member
• Understanding of the social, cultural, global and environmental responsibilities of the professional engineer, and the need for sustainable development
• Expectation of the need to undertake lifelong learning, and capacity to do so

Content:

Approximate Methods of Analysis of Indeterminate Structures

• Analysis of frames under vertical loads using approximate methods
• Analysis of frames under lateral loads using the portal and cantilever methods
• Analysis of trusses to find member forces and deflections using approximate methods
• Introduction to stiffness methods of analysis

Steel Properties

• Steel making process
• Material specifications and properties

Design of Steel Members

• Design of tension members considering both yield and net section fracture
• Lateral torsional buckling in flexural members
• Bending moment capacity of beams considering section and member capacities
• Shear capacity of beams
• Yielding and buckling of webs in bearing and design of web stiffeners
• Determination of effective length of compression members using the simplified and detailed methods
• Capacity of compression members considering yielding and buckling
• Use of design capacity tables
• Industrial buildings, economical steel design and constructability

Design of Steel Connections

• Types of connections (flexible, semi-rigid and rigid)
• Standardised steel connections in Australia and types of fasteners
• Bolt and weld technology
• Design of bolted connections for strength and serviceability
• Design of welded connections for fillet and butt welds
• Analysis of bolt and weld groups

Textbooks:

Recommended Reading: