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Unformatted text preview: (straight) Voussoir arch of angled stones that holds up the wall above an opening Relieving arch channels the load of the wall to the sides of the opening so it is not pressing on the lintel Corbelling stacked masonry with one course projecting beyond one below Barrel-vault arches lined up one after another; arch stretched into 3D; buttresses pick up sideways thrust Dome arch rotated 360 degrees; more difficult than barrel-vault because sideways thrust goes in all directions Balloon framing the frame can be seen and the spaces between the frame are filed with available material; all parts of the frame are working together; 2 floors built at once Platform framing easier to construct, less warping; floors are built one by one...
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