Sir Wilfrid Laurier SS

Technological Design


Course Topics: TDJ1O | TDJ2O | TDJ3O | TDJ3M | TDJ4O | TDJ4M

CANTILEVER ARM BRIDGE 2009


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Cantilever Arm Bridge

Problem Statement:

To design, construct and report on the testing of a cantilever arm that can hold the most amount of weight in relation to the distance from the abutment.

Design Criteria:

The specifications must be followed.
  • A maximum of _ pieces of wooden stick may be used.
  • The structures minimum length _ inches, width _ inches wide and height _ inches at the roadbed.
  • The wood cannot be treated in any way to change its strength or appearance.
  • Wood pieces may be bonded together with cement ONLY at joints, and may not be laminated together in parallel fashion. If two or more strips of wood are placed parallel to each other, they must be at least the thickness of this paper apart from each other. Splitting or laminating is not allowed.
  • You must design your bridge leaving at least a 1inch opening at the end of the Cantilever Arm roadbed.
  • The cantilever arm must be designed and constructed within the time limit.


Hand In:

  1. Scale Model Cantilever Arm Bridge
  2. Technical Report


Time: 11 periods


Expectations:

Overall Expectations:
A1. Planning and Development, A2. Communication, A3.Product Evaluation, B1. Problem Solving and Project Management, B2. Creating Products, D1.Health and Safety

Task Steps:

Day

1
Research
2
Thumbnail Sketches
3
Thumbnail Sketches and Solution Chart/ Rational
4
Technical Drawing
5
Technical Drawing and Material List
6
Construction
7
Construction
8
Construction
9
Construction
10
Construction
11
Testing Day

Links:

  1. Bridge Definitions


Evaluation:


Examplar:

  1. Report: Level 4
  2. Report: Level 3
  3. Report: Level 2
  4. Report: Level 1


Images