PERIMETER BEAMS *

217

Construction: Structural frame

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Problem If you conceive and build a room by first placing columns at the corners, and then gradually weaving the walls and ceiling round them, the room needs a perimeter beam around its upper edge.
Solution Build a continuous perimeter beam around the room, strong enough to resist the horizontal thrust of the vault above, to spread the loads from upper stories onto columns, to tie the columns together, and to function as a lintel over openings in the wall. Make this beam continuous with columns, walls and floor above, and columns and walls below.
Select High Order Pattern and to it. 210 FLOOR AND CEILING LAYOUT 216 BOX COLUMNS ** 219 FLOOR-CEILING VAULTS **	Select Low Order Pattern and to it. 219 FLOOR-CEILING VAULTS ** 227 COLUMN CONNECTION **