Since the allowable loads determined in this manner represent the extreme case for both the connector and anchorage, they are conservative for most practical design conditions and can be used without adjustment as long as the minimum of the tabulated allowable connector load and allowable anchorage load is used for design. Testing to determine FCB allowable anchorage loads, on the other hand, was conducted on test setups that required all of the moment be resisted in the anchorage of the fixed connector to the supporting structure (see Figure B). This condition results in both shear and moment on the fastener group attaching the connector to the stud and therefore is critical for the connector. Testing to establish FCB allowable connector loads was conducted on test setups where most of the moment was resolved through a horizontal force couple as shown in Figure A. If more detailed information regarding LRFD design strengths is required, please contact Simpson Strong-Tie.įor the FCB bypass framing fixed-clip connectors, the tabulated allowable connector loads and allowable anchorage loads for F4 (vertical) loads can be used for both conditions (see Figures A and B below). For serviceability checks, the tabulated allowable loads can conservatively be considered to correspond to a deflection of 1/8" in the direction of the applied load. Simpson Strong-Tie® Titen® hex-head screwsĭesign strengths obtained in this manner will be accurate for conditions where allowable loads are controlled by strength limits, and conservative if the allowable load is limited by serviceability (deflection) criteria. Simpson Strong-Tie® PDPT and PDPAT powder-actuated fasteners /td> Can I use Simpson Strong-Tie ® Titen ® hex-head screws, PDPT pins, or PDPAT pins to anchor curtain-wall clips when resisting seismic loads? See below for further information. For other connectors, Designers can multiply allowable loads by the factors tabulated below to obtain design strength for use with LRFD. Simpson Strong-Tie Research and Testing Laboratory at WSUįor select curtain-wall connectors reference Curtain-Wall Connectors: Service Load Limits, LRFD Design Strengths, and Nominal Strengths or the information provided in the Connectors For Cold-Formed Steel Construction catalog.Simpson Strong-Tie Materials Demonstration Laboratory at Cal Poly.New Product Testing in a Virtual Environment.Outdoor Living: Where Great Backyards Begin.Soft-Story Retrofit for Building Owners.
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Component Manufacturer Software Solutions.Anchoring Solutions for Value-Added Manufacturing.Cross-Laminated Timber (CLT) & Mass Timber Connector Products.Robert Grupe, director of technical services at the.
CFS framing can also be the primary structural element in mid-rise construction and meet the exterior continuous insulation requirements set by IECC, ASHRAE 90.1, ASHRAE 189.1, IgCC and LEED. 25 Gauge EQ Galvanized Steel Wall Framing. Cold-formed steel (CFS) framing has a proven track record of providing energy-saving and sustainability benefits for buildings of all shapes and sizes.
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