Cold-Formed Steel Bolted Connections without Washers on Oversized and Slotted Holes

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The use of the cold-formed steel sheet bolted connections without washers is so significant; however, the North American Specifications for the Design of Cold Formed Steel Structural Members, NASPEC, doesn't provide provisions for such connections. The bearing failure of sheet and the shear failure of sheet were considered in this study. For the sheet shear strength, it was found that the NASPEC (2007) design provisions can be used for oversized holes in both single and double shear configurations and for the double shear connections on short slotted holes. For the sheet bearing strength, a new design method was proposed to ... continued below

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Sheerah, Ibraheem May 2009.

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  • Sheerah, Ibraheem

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The use of the cold-formed steel sheet bolted connections without washers is so significant; however, the North American Specifications for the Design of Cold Formed Steel Structural Members, NASPEC, doesn't provide provisions for such connections. The bearing failure of sheet and the shear failure of sheet were considered in this study. For the sheet shear strength, it was found that the NASPEC (2007) design provisions can be used for oversized holes in both single and double shear configurations and for the double shear connections on short slotted holes. For the sheet bearing strength, a new design method was proposed to be used for low and high ductile steel sheets. The method was compared with the NASPEC and the University of Waterloo approach. Washers were still required for single shear connections on short slotted holes. Besides, connections using ASTM A325 bolts yielded higher bearing strength than connections using ASTM A307 bolts.

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  • May 2009

Added to The UNT Digital Library

  • Nov. 19, 2009, 8:15 p.m.

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  • April 1, 2010, 2:30 p.m.

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Sheerah, Ibraheem. Cold-Formed Steel Bolted Connections without Washers on Oversized and Slotted Holes, thesis, May 2009; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc10983/: accessed April 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .