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Earthquakes vs. Buildings: the final stand

Earthquakes vs. Buildings: the final stand. By Meeko Smith, Sofia Geislinger, Allan C hen, and Azaan Lambkin. Problem. We did this experiment to find out…. Which structure can withstand earthquakes the longest?. Research.

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Earthquakes vs. Buildings: the final stand

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  1. Earthquakes vs. Buildings: the final stand By Meeko Smith, Sofia Geislinger, Allan Chen, and Azaan Lambkin.

  2. Problem We did this experiment to find out…. Which structure can withstand earthquakes the longest?

  3. Research • Earthquake and Hazards program was about different structures and the damage during an earthquake. One example is that mobile homes have no structure, so they get damaged in earthquakes. Joyce Christopher and Haiti’s Rebuilding Call was about different materials and the damage caused. For instance wood might be more vulnerable than concrete. Building to The Limits was about the different ways and materials people have used to withstand earthquakes. Like strong, reinforced materials and flexible beams. Rocking the house was about how construction workers built a house out of different materials to withstand earthquakes. One example is using strong materials to withstand shaking.

  4. Hypothesis Independent Variable: The materials that the buildings were made of. Dependent Variable: The amount of time the structures resist the shaking. Our hypothesis is that if we build structure one so that it can sway, then it will resist the earthquake the longest.

  5. Materials • 25Lego bricks • 45 small pieces of tape • 14 wood blocks • 5 rubber bands • ½ of a file folder • 1 cardboard box • 20 popsicle sticks

  6. Procedures • Build three houses made of different structures. • Place structure 1 on the shake platform. • Pull and release rubber band until structure falls. • Repeat steps 3 and 4 three times for each structure. • Record data and analysis.

  7. Data Table

  8. Analysis

  9. Bar Graph

  10. Citation • “Building to the Limits”. www.sciencemuseum.org. www.sciencemuseum.org.uk/antenna/building/environment/111asp • Perkins, Sid. “Rocking the House”. January 22,2007. www.techandenginering.org. www.sciencenewsforkids/2007/01/rocking-the-house-3. • “Earthquake and Hazards Program”. www.associationofbayareagovernments.org. August 23, 2011. October 13, 2011. http://quake.abag.ca.gov/housing/. • Joyce, Christopher. “In Haiti’s rebuilding, call for stronger structures” January, 2011. October 13, 2011. www.npr.org. www.npr.org/2011/14/132904427/in-haitis-rebuilding-calls-for-stronger-structure.

  11. Conclusion • Our hypothesis was that if we build structure one so that it can sway, then it will resist the earthquake the longest. • Our hypothesis was correct. Structure one stood the longest according to our data. Our data showed that it withstood35average shakes-the most out of all the structures. • There are two things we would change in our project. One is how the shake table is built because it kept breaking. Another is the height of the buildings, the heights of all the buildings would be the same. • Some factors that could affect our data is how much force was in each shake and how heavy the structures are.

  12. Conclusion (continued…) Our results relate to the real world a lot. They are a lot like what scientists research and experiment because they also are testing materials to find out if they can withstand an earthquake. The data we collected can help architects determine the materials they use, the structures and the designs they use when building a building. We recommend that people should use stable, but flexible materials when they are building houses or buildings.

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