Geometry of Bridges
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The necessity to show the students scaling and how it is used will be an integral part of the modeling making process. To design a bridge the students will have to draw a plan of the bridge. The students will have to use a scale (ratio) of the size of the bridge they are building and the size of the final bridge. To get the best results for the bridges you will need to set certain guide lines. The size of the model will have certain restrictions (length, width and height). This will force the students to work within certain parameters. You will need to give the student information about how wide is a lane of traffic, how wide is the sidewalk, what clearance is necessary for traffic to pass under. This information and much more information is necessary for the student to clearly understand what is expected of them.