2 Nd Powerpoint

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2 Nd Powerpoint

  1. 1. 2 ND POWERPOINT STUDY ON SOUND: Specifically the impact of the car on footpaths of Petrie Terrace.
  2. 2. Studies Undertaken: <ul><li>Study 1: Sound reflection of a building: </li></ul><ul><li>Study 2: Road Inclination </li></ul><ul><li>Study 3: Combination </li></ul>
  3. 3. Sound Reflection
  4. 4. Sound Reflection <ul><li>The Taller the building the more sound reflects back onto the footpath. </li></ul><ul><li>The closer the building to the car the more sound reflects. </li></ul><ul><li>Road inclination makes no visible change to sound reflection. </li></ul>
  5. 5. Road Inclination
  6. 6. Road Inclination <ul><li>Car on level ground: average 65 db (Commodore VS) </li></ul><ul><li>Car travelling on inclined road: average 85 db (Commodore VS) </li></ul>
  7. 7. Combination
  8. 8. Combination <ul><li>Changes noted to the sound levels on the inclined position: </li></ul><ul><li>because of higher db, the stronger the wave strength. </li></ul><ul><li>Even though It has a smaller wall height it produces the most sound onto the footpath. </li></ul>

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