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ASSIGNMENT 2

218104: Mathematics and Structural Principles

This assignment is compulsory and worth 20% of your final grade.

Your task is to design and build a stable bridge structure made entirely from ice cream/popsicle sticks to support a central load. You will submit a written report describing your design and testing process, and a video demonstration showing the performance of your bridge under load.

Assessment Components

1. Video Demonstration (2 minutes)

You are to produce a short video showing the testing of your bridge with a load applied at the centre of the span.

· Design and construct a stable bridge structure using only ice cream/popsicle sticks.

· Incrementally load the bridge at the centre until structural failure or maximum safe loading is reached.

· Showcase any design improvements you implemented to enhance the strength and performance of your structure.

· The name of your group should be clearly visible on the bridge during the test.

2. Written Report (3–4 pages maximum)

The report should explain your design decisions and test outcomes. Include the following:

i. Bridge Description and Structural Principles

· Your bridge must span at least 30 cm and be a minimum of 10 cm wide.

· You may use any type of adhesive or fastening method to join the components of your bridge.

· Describe your bridge type (e.g., beam, truss, arch, suspension), layout, and construction.

· Use labelled drawings and clear photographs.

· Mention at least one real-world bridge that inspired your design. Briefly describe that bridge, including its type, location, and any features from which you have drawn inspiration.

· Describe the static and dynamic loads acting on your bridge.

· Explain how these forces were transferred and distributed through your structure.

· Discuss modifications made to improve load-bearing capacity and reduce failure risks.

iii. Construction Process

· Include photographs of different construction stages in the report.

· Clearly show dimensions using a ruler, measuring tape, etc.

· Include at least one photo of yourself/your team actively working on the bridge.

iv. Performance Results

· Report the weight of the bridge and the incremental loads applied on the bridge.

· Use a weighing scale to measure the weight.

· Record the maximum weight your bridge could hold before failure or deformation.

· Provide the ratio of the maximum load supported by the bridge to the weight of the bridge itself.

Additional Guidelines

· This is an individual or group project (maximum 3 members).

· Aesthetics are important—make it visually pleasing.

· Your design should reflect principles of real structural engineering.

· You are free to add music, captions, animations, etc, to your testing video.

· Provide minimum 5 references to sources, including webpages, textbooks, videos etc

· It is compulsory to select a “group” on Stream before you submit the assignment.