Figure 6-22.-Common types of bracing: A. Let-in bracing; B. Cut-in bracing; C. Diagonal bracing.BracesBraces are used to stiffen framed constructionand help buildings resist the twisting or strainingeffects of wind or storm. Good bracing keepscorners square and plumb and prevents warping,sagging, and shifts resulting from lateral andexternal forces that would otherwise tend todistort the frame. Figure 6-22 shows threecommon methods of bracing frame structures:(A) let-in bracing, (B) cut-in bracing, and(C) diagonal bracing.ROOF FRAMINGRoofs must be sloped so that they willshed water. The most common types of roofconstruction include the intersecting, the shed, thegable, and the hip (fig. 6-23). An INTER-SECTING ROOF consists of a gable and valleyor hip and valley intersecting each other at rightangles. A SHED ROOF has a single surface thatslopes downward from a ridge on one side of thestructure. A GABLE ROOF has two surfacessloping downward from a ridge located betweenthe sides of the structure—usually midwaybetween them. A HIP ROOF is pitched on thesides like a gable roof and also is pitched on oneor both ends.Roof PitchThe PITCH (amount of slope) of a roof isexpressed as a FRACTION in which the6-20
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