The can must rest freely on the tower and be removable.You cannot touch, modify, or repair the tower during this minute. The tower must support one can of food (14–16 oz or 400–500 g) for at least 1 minute without collapsing.For scoring purposes, 1 piece of paper is 1 sheet of paper.If you cut a sheet of paper in half and only use half the sheet, it still counts as a whole sheet. You are allowed to fold, bend, roll, cut, etc.It cannot be taped to anything else (like the vertical leg of a table or a wall) or supported by a person. The bottom of the tower can only be taped to the horizontal surface that it rests on (floor, table, etc.).You cannot use more than one roll of tape.You cannot use more than 30 pieces of paper.Tools cannot be used as structural elements of the tower. See the materials list for allowable types of paper and tape. The tower can only be built from paper and tape.Glass jars are not allowed for safety reasons (they could shatter if they fall off your tower). Hard, smooth surface, such as table or countertop.Double-sided tape, duct tape, and packing tape are not allowed. Scotch®), masking, and painter's tape are allowed. Tape (maximum one roll), maximum 1" (2.5 cm) wide.Printer, construction, graph, and notebook paper are allowed (letter or A4 size 9" x 12" or 22 x 30-cm construction paper also allowed). Students who entered the 2021 Fluor Engineering Challenge were only allowed to use the materials listed below. Tension and Compression: Two Forces Every Bridge Knows Well. How can you make sure that your tower can support not only its own weight, but the added weight of a can of food?.How can you build a tower if the only materials you have available are paper and tape? What overall design would you choose for the tower? What would you do to the individual pieces of paper?.What are some examples of tall towers throughout the world? How do these towers stay standing without falling over, even though they are very tall and skinny?.It is unlikely that your tower will work perfectly on the first try-it might even collapse! You might need to iterate by testing and tweaking your design multiple times so you can continually improve it. You can also use this project to demonstrate the engineering design process. An I-beam (where the cross section looks like a capital letter I) is a common shape used in many structures. The cross section of a piece of paper rolled into a tube is a circle. This rectangle bends very easily in the thin direction. For example, the cross section of a flat piece of paper is a (very thin) rectangle. This resistance to bending is determined by the beam's cross section. It becomes much harder to bend the paper if you fold it in half multiple times or roll it into a tube.
For example, it is very easy to bend a flat piece of paper.
Sometimes towers include ropes, cables, or chains as part of the design.
Beams can be in either tension or compression, depending on how a tower is designed. An object that is being "squished" is in compression and an object that is being pulled on is in tension.Can you identify any trusses in Figures 1 and 2? Multiple beams can be combined to make trusses. Beams are long, skinny elements used to make many structures like towers and bridges.Rather than explain each topic in detail, this Background section will give you a brief overview, and you can do more research on your own or use the links in the Bibliography. You can use this project to explore several topics in physics and engineering.
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