Brick Paving Laid in Sand

stones chain water away from the underside of the paving and also furnish expansion space for water that freezes in the soil below. For brick and stone pavings, a sand setting bed above the crushed stone gives the mason a precise means of regulating the height ol the masonrv units. ■

The structural frame of a building and its infill components move in different ways and have different structural capabilities. They must be joined in ways that recognize these differences.

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