Wind Load Design Considerations for Out-of-Plane Loading
Innovation in construction technology has been often driven by a desire to improve performance (e.g., reduction in energy use) and/or to gain efficiency in the construction process (e.g., garage portal frames, SIP construction). On the other hand, a re-evaluation of existing code provisions is often prompted by a desire to align conventional practices more closely with engineering estimates (e.g., wall bracing provisions of the International Residential Code (IRC)). Because conventional practices have a history of successful field performance, a re-evaluation task typically involves (1) development of analytical methods that are representative of the actual system performance, and (2) establishment of appropriate applicability limits on the prescriptive requirements (e.g., wind speeds less than 100 mph).
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