| Image 1 | Image 2 | Commentary |
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| These coal Tipples are located at the same mine in France. They are built of different materials, steel and reinforced concrete, yet serve exactly the same function. |
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| Here are a folded plate between two railroad cars, and a sheet of corrugated metal. This illustrates two entirely different situations in which folding was used as a structural solution. |
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The column in the left image reveals rotting caused by frequent floor washing. Wood, due to its material properties, will not withstand a constant flux between wet and dry. The base of the column in the image on the right shows one solution of concrete and a wrapping of copper. |
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This is the Kirche am Steinhof located in a suburb of Wien(Vienna). It was designed and built by Otto Wagner as on of the pieces of a larger plan for a mental institute. |
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Two majestic systems which exist naturally in our environment. Both are well adapted in form and material, and are solid examples of stability and firmness. |
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Here are two systems (one a roof system and one a floor system) that perform similar functions, yet are made of different materials (metal and wood). With all types of materials, the issues of strength and stability must be addressed. |
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| La Tourette, by architect Le Corbusier, is a wonderful structure to examine for its varied types of vertical support(sheer walls, rectangular and round concrete columns, varied placement, etc.).
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