AISC LRFD 1.pdf

Sect. J3.] BOLTS AND THREADED PARTS 65TABLE J3.5Nominal Tension Stress (F t ), ksi (MPa)Fasteners in Bearing-type ConnectionsDescription of FastenersThreads Included inthe Shear PlaneA307 bolts 59 – 2.5f v 45(171 – 2.5f v 310)A325 boltsA325M boltsA490 boltsA490M boltsThreaded parts A449 boltsover 1 1 2 diameter117 – 2.5f v 90(807 – 2.5f v 621)147 – 2.5f v 113(1010 – 2.5f v 779)Threads Excluded fromthe Shear Plane117 – 2.0f v 90(807 – 2.0f v 621)147 – 2.0f v 113(1010 – 2.0f v 779)0.98F u – 2.5f v 0.75F u 0.98F u – 2.0f v 0.75F uA502 Gr. 1 rivets 59 – 2.4f v 45(407 – 2.4f v 310)A502 Gr. 2 rivets 78 – 2.4f v 60(538 – 2.4f v 414)NominalDiameter ofFastener (in.)TABLE J3.6Values of Edge Distance Increment C 2 , in.Oversized HolesSlotted HolesLong Axis Perpendicular to EdgeShort SlotsLong Slots [a]Long AxisParallel to Edge 7 81 161 83 4d 011 81 8 1 1 81 83 16[a] When length of slot is less than maximum allowable (see Table J3.5), C 2 are permitted to bereduced by one-half the difference between the maximum and actual slot lengths.TABLE J3.6MValues of Edge Distance Increment C 2 , mmSlotted HolesNominalDiameter ofLong Axis Perpendicular to EdgeFastener (mm) Oversized Holes Short Slots Long Slots [a] 22 2 324 3 3 27 3 5Long AxisParallel to Edge0.75d 0[a] When length of slot is less than maximum allowable (see Table J3.5), C 2 are permitted to bereduced by one-half the difference between the maximum and actual slot lengths.LRFD Specification for Structural Steel Buildings, December 27, 1999AMERICAN INSTITUTE OF STEEL CONSTRUCTION