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BRIDGE DESIGN - EMBELISHMENT

V. Ryan 2012

 

There are several different types of bridge, each designed in a particular decade or century and for a particular purpose. Make a straw ‘girder’ bridge, then select a type of bridge such as stone arch, suspension, cable stay or a box girder. Draw two copies on paper. The paper should fit the sides of your straw model bridge.
 
1. Using a scissors, cut two pieces of paper to size, so that they accurately fit each side of the bridge you have made.
 
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2. Draw the style of bridge you have selected on both pieces of paper, or draw it once and then photocopy the original drawing.
 
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COMPLETED SIDE
 
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3. When accurately drawn and enhanced with colour / shade, stick each piece of paper to either side of the bridge.
 
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4. The bridge is for a strength / compression test with weights. Each side of the bridge will need supporting, so that a side way collapse does not take place, whilst the weights are added. Special supports hold the straw bridge in position.
 
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SAMPLE BRIDGE TYPES - FOR DRAWING ON PAPER FOR EACH SIDE
 
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