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The World's Lightest, Strongest and Longest Bridge


Poojah Karunakaran

on 29 March 2013

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Transcript of The World's Lightest, Strongest and Longest Bridge

Popsicle Bridge
Reflection By Poojah Karunakaran The Quality Manager How does the popsicle bridge activity reflect the steps of the design process? Roles played during the activity Challenges thought out the Popsicle bridge project. Obstacles overcome Things learned during the project/important thing learned INPUT PROCESS OUTPUT EVALUATION * Each member in our group had to draw sketches of bridges that might be possible to build and research and learn the types of forces.
*Each member in our group had to build their own bridge while cooperating with the communicator, quality manager, fabricator manager and fabricator about the bridge and help each other.
*As we were building the bridge, I had to observe and find mistakes and correct them as the QA manager.
*When the bridges were finished we had to make our own reflection individually.
*At the end all the bridges were successful . The most challenging part of the project was inserting the 6 tiemembers to the bridge and being on track while managing time With the limited resources that was given,I was able to complete the bridge in time, especially when oneof my trapezoids were crooked I had to make one again, and there were limited popsicles which I had to manage with due to the weak popsicles that broke. I've learned that the more the trusses a bridge has, the more load it can carry, and that managing and organizing time and work would make the work easier. Fabricator Manager = Dhruvi Patel
Fabricator = Yashvi Patel
Communicator = Yelda Nuri
Quality Manager = Poojah Karunakaran Our solution solved our problem and therefore gave us 4 successful bridges, but there were some....
UPS - All of our bridges had a strong base and strong stringers and successfully passed the load test.
DOWNS - When one of our group member was trying to test her bridge the bridge snapped, and she had to redo one of the trapezoids all over again. One of my trapezoids were crooked and was causing the ends of my tie members to snap so I had to redo the trapezoid in 5 hours and connect all of the trapezoids. Types of Bridges Suspension Bridge Truss Bridge Arch Bridge Beam Bridge We're making a .... How are we going to make a bridge which is Light, Strong and Long using only popsicle sticks? Our goal is to make the world's largest, lightest and strongest bridge in world using only popsicle sticks. Our Goal Bridge Designs that were brainstormed as alternatives... I wanted to make an arch bridge but due to the rubric, I decided to make a truss bridge to help make the Longest, Strongest and Lightest Bridge. FRONT VIEW OF A TRUSS BRIDGE MATERIALS NEEDED..... - Popsicle sticks
- File
- Sand paper
- Carpenter Glue/Wood Glue
- Binder Clips
- Tie members ( Machine cut 3-holed popsicle sticks)
- Wooden trapezoid block ( To keep stringers in place to connect them)
- Screw Driver ( To tighten the screws in the block)
- Blue Print for the Truss Bridge.
-Dummies How to make a popsicle bridge... This reflection itself is a document to show the research we've done and how we collected information from the bridge project and therefore is counted as output. 1)Using the blueprint and the dummies for correct measurements, connect popsicles horizontally to make 3 small stringers ( 5 popsicles each) and 3 big stringers( 7 popsicles each) with carpenter glue and binder clips to keep the popsicles in place.
2) Using 1 small stringer and 1 big stringer make a trapezoid using the trapezoid wooden block and using the blueprint place popsicles sticks on the trapezoids as trusses for support both front and back.
3)Repeat step 2 for the other trapezoids.
4)Connect all the trapezoids with the tie members between the trusses, 3 in the bottom and straight above it 3 in the top.
5) On the tie members glue vertical Xs with popsicle sticks connecting the top and bottom tie members to give more support. (For resources look in process) DESIGN
PROCESS A structure that carries load over a depression or obstacle. A bridge having the load being carried by the suspended cables that are anchored at the end and is usually supported by the intervals. An arch bridge is a bridge in which the center is shaped as a curved arch. They transfer the load of the bridge into a horizontal thrust. It is a simple type of bridge, which has horizontal beams supported by vertical posts in where the load is transferred.. It is a bridge where the load is carried by the trusses and has vertical posts to support the bridge. Most of our group members had too much glue on and my bridge had crooked tie members which caused the Xs (which gave them more support) to be more crooked.
If had more time we might have been able to sand paper the glue and I might have taken my time to place the tie members carefully. Things we could have changed.
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