SHS Jointing, Flowdrill & Hollo-Bolt - Tata Steel

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Structural integrity - tie force capacity of RHS column wall in the presence of axial compression in the column. Note: This check is only needed if it is necessary to comply with structural integrity requirements. Basic Requirement Tie force ≤ Tying capacity of RHS column wall Tying capacity of RHS column wall 8 m u = (� 1+ 1.5 (1 - � 1) 0.5 (1 - � 1) 0.5) (1 - � 1) M u = moment capacity of RHS column wall per unit length p yc t c 2 = 4 p yc = design strength of the RHS column (S275 = 275 N/mm 2 : S355 = 355 N/mm 2) tc = thickness of RHS column wall �1 n = (n - 1)p - d 2 (B - 3tc ) � 1 � 1 = = g (B - 3t c ) d (B - 3t c ) B = overall width of RHS column wall to which the connection is made. d = bolt diameter (or hole diameter in RHS column for Hollo-Bolt) g = bolt gauge width n = number of rows of bolts p = bolt pitch p Yield lines (n-1)p Bolt holes deducted B g Tie force (applied at bolt positions) t c 1.5 t c
British Steel Tubes & Pipes PO Box 101, Weldon Road, Corby, Northants, NN17 5UA Tel: 01536 402121 Fax: 01536 404111 British Steel plc Registered Office: 9 Albert Embankment, London, SE1 7SN Reg. in England No: 2280000 TD 384.12E.95
Page 1 and 2: Corus Tubes library publication The
Page 3 and 4: Flowdrill&Hollo-Bolt Flowdrill & Ho
Page 5 and 6: Flowdrill Flowdrill The Process Flo
Page 7 and 8: Hollo-Bolt Hollo-Bolt HOLLO-BOLT is
Page 9 and 10: Design of Joints in Simple Construc
Page 11: Bolt diameter mm M16 M20 M24 Bolt d

SHS Jointing, Flowdrill & Hollo-Bolt - Tata Steel

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