Assessment 2 – Superstructure Project: This design project is particularly focused on developing an understanding of structural load paths and the design process, UOS, Australia

PART C1 – DESIGN PROJECT: DESIGN DIFFERENT ELEMENTS OF A DOMESTIC SHED

This design project is particularly focused on developing an understanding of structural load paths and the design process. To successfully complete this project, you will be required to design specific structural members of a domestic shed. The Learnings from Part A and Part B are to be incorporated into Part C1.

To complete this assessment, you will be required to prepare a written report that identifies and explains a practical problem to be solved. It will describe a suitable design solution and include an evaluation and explanation of why this
is the most appropriate design solution.

You will also be required to prepare a video presentation of maximum duration four minutes which includes images and narration. The images and narration will be used to explain your research, findings and evaluation as well as highlight what knowledge you gained from this investigative experience.

Design Parameters

The following details are to be read in conjunction with Figure 1.
a. Dimensions Span (S) width of shed= 8.7m

Eaves height (H) higher side = 5.4m
Overall shed length = 14.4m
Bay spacing = 7.2m
Roof pitch = 5 degrees
Purpose of Floor that Column C1 and Beam B2 supports: File Rooms

b. Roof sheeting is to be Lysaght Trimdek

c. Assume any cross section for purlin. Purlin spacing does need to be calculated and also ensure the spacing is within the relevant limit for the Roof Sheeting.

d. Ceiling, Insulation, Flooring – research and make selection

e. Columns and Rafters – UC for Columns and UB for Beams are suggested

f. Assume that the columns are fixed at their base. All Connections for B2 are pinned. Connections between the rafters (e.g. B1) and external columns are rigid “fixed”.

g. Shed Drawings are shown below

Part C Report Specifications

Structure your report to address the following questions: (Recommended word counts are in brackets) In your report, you must state any assumptions you have made.

Part C1: Introduction:

• Briefly Discuss the different structural elements of the domestic shed in this project
• Research and discuss the different possible loads that can act on the shed.
• Research and discuss the different types of beam-to-beam and beam-to-column Connections. Explain the differences between simple and rigid connection.
• Research and discuss the difference between the Bolted vs Welded Connections and the limitation of each type.

Part C1: Load paths and bracing systems for Shed in Figure 1. (250 words) This may incorporate learning from Assessment 2 Part A.

• Research and describe the load paths for gravitational and lateral loads, draw and explain the bracing layout.

SKETCHES OF BRACING LAYOUT WITH LOAD PATHS CLEARLY SHOWN ARE REQUIRED, BOTH VERTICAL AND HORIZONTAL

• Drawings – include sketches and drawings that are clearly labelled

Part C1: Calculate Wind Loads – Wind load determination on the building, consisting of:

Wind Region = B
Wind Terrain Category = 2
Shielding = No Shielding
Topographic effects = T5
• Determine the design wind speed
• Calculate the net wind pressure for shed roof and walls (consider general area only)

• Ultimate (inwards and outwards)
• Serviceability (inwards and outwards)

• Calculate Wind loads on members of the intermediate frame (Rafter B1 and C2) – Ultimate ONLY inward and
outward

Part C1: Calculate the design loads for specific members and select cross sections: Beams

This may incorporate learning from Assessment 2 Part B: Straining Actions Quiz Calculate loads and straining actions:
• Dead load on beam B1
• Live load on beam B1
• Dead load on beam B2
• Live load on beam B2
• For the following steps, only Beam B2
o Calculations of Uniformly Distributed Load (UDL) for load combinations for B2
o For the critical load combination(s), calculate maximum bending moment, maximum shear force and
Draw the Shear Force Diagram(s) (SFD) and Bending Moment Diagram(s) (BMD)
o Select a suitable section from the Design Capacity Tables
o Check Serviceability (deflection) requirements for the selected cross section

Part C1: If the critical load combination(s) were imposed on the beam B2,

research and discuss what is happening internally in the beam B2 at the points of maximum shear force and maximum bending moment, relative to other
points on the clear span of the beam. Include at least 3 references external to the course content to support your
discussion.

Part C1: Calculate loads and straining actions: Columns

Dead load and Live loads on column
• Calculations of axial forces for the applicable load combinations for column
• Calculate in plane and out of plane buckling for column
• Select a suitable section from the Design Capacity Tables

Part C1: Discussion

Discussion and justification of chosen design: evaluate the design solution which may involve analysing the strengths
and weaknesses, which may include comments on structural elements not designed (e.g. Rafter B1 and external
columns) compared to the members that were designed. Apply the knowledge you have gained in this course and
from ‘UO Structures 1’ to justify your thinking.

Part C2 – Concrete Fails:

Based on your research, discuss the problems in the following images, and suggest how to avoid them. Support the
discussion with reference(s)