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Bracing is most efficient when placed at angles between 30° and 60°. With steeper bevels, the end connections can be cumbersome. Any brace configuration can be used to make up a horizontal bracing system, as long as a complete load path is available to transfer the load into the lateral load resisting system.
14 mar 2013 · Description. Design of WT Braces. In most commercial buildings, floorand roof diaphragms are used to distribute loads in the horizontal plane of the structure to the lateral load resisting system.
needed to start calculating bracing and to determine what needs to be provided for bracing calculations. It then works its way through the bracing requirements for various parts of the building, from subfloor to wall to roof, using examples to illustrate how to apply NZS 3604:2011. PROVIDING SUFFICIENT BRACING CAPACITY FOR WIND AND EARTHQUAKE ...
Figure 5.1 shows bracing examples for roofs, walls and subfloors. It should be noted that the wind force on unclad frames can be substantial and should be considered in the bracing design. Horizontal wind (racking) forces on the external surfaces are transferred by horizontal or near horizontal diaphragms and bracing.
WE COMPLETE THIS FOUR-PART BUILD SERIES ON CALCULATING BRACING REQUIREMENTS BY LOOKING AT ROOF BRACING. TOM EDHOUSE, BRANZ TECHNICAL ADVISOR.
In an effort to assist designers with the IRC wall bracing provisions, Simpson Strong-Tie has developed this calculator, which features inputs for all of the variables which are needed to determine the required bracing amount.
Brace Angle: Install the brace at an angle of between 40 and 50 degrees to the horizontal if possible. Otherwise, the minimum is 30 degrees, maximum 60 degrees. Strap Tensioning: Ensure each length of Strap Brace has a Pryda Tensioner, properly tightened prior to nailing. Tension Speedbrace by hammering it flat over each stud and wall plate.
