LIGHT-GAUGE STEEL CONNECTION SEMINAR
DEFINITION OF CONNECTION FORCES
FASTENER HEAD TYPES
a.
HEX HEAD
HEX HEADb.HEX HEAD with COMBINATION EPDM/STEEL WASHER
HEX HEAD with COMBINATION EPDM/STEEL WASHERc.HEX WASHER HEAD
HEX WASHER HEADd.HEX WASHER HEAD with COMBINATION EPDM/STEEL WASHER
HEX WASHER HEAD with COMBINATION EPDM/STEEL WASHER e.PANCAKE HEAD with PHILLIPS DRIVE SLOT
PANCAKE HEAD with PHILLIPS DRIVE SLOTFASTENER POINT TYPES
a.GIMLET POINTED (SPEED SCREW)
GIMLET POINTED (SPEED SCREW) b.SELF-DRILLING
SELF-DRILLINGc.A-POINT (PILOT HOLE REQUIRED)
A-POINT (PILOT HOLE REQUIRED) d.BOLTED
BOLTED STAINLESS STEEL FASTENER MATERIAL DISCUSSION
a. 300 SERIES vs. 400 SERIES STAINLESS STEEL
CONNECTION TYPES
a.LAP JOINT
LAP JOINTb.MEMBER “STABBED” INTO MEMBER
MEMBER “STABBED” INTO MEMBERc.SWEDGED FIT MEMBER-TO-MEMBER
SWEDGED FIT MEMBER-TO-MEMBERd.GUSSET PLATED
GUSSET PLATEDDEFINITION OF POSSIBLE FAILURE MODES
a.PULL-OUT
PULL-OUT b.PULL-OVER
PULL-OVERc.SHEAR
SHEAR d.PEEL
PEELe.TENSILE FAILURE OF SCREW SHANK
TENSILE FAILURE OF SCREW SHANKf. TENSILE FAILURE AT HEAD-TO-SHANK TRANSITION
TENSILE FAILURE AT HEAD-TO-SHANK TRANSITION g. STRESS CONCENTRATIONS
CONNECTION FACTORS-OF-SAFETY
a.SINGLE SCREW (or BOLT) per CONNECTION
SINGLE SCREW (or BOLT) per CONNECTIONb.MULTIPLE SCREWS (or BOLTS) per CONNECTION
MULTIPLE SCREWS (or BOLTS) per CONNECTION LABORATORY TESTING OF CONNECTIONS
FIELD TESTING OF CONNECTIONS WITH DEMONSTRATION
SPECIAL FASTENING
a.EXPLOSION VENTING CONNECTIONS
EXPLOSION VENTING CONNECTIONS 1.DEFORMABLE WASHERS
DEFORMABLE WASHERS2.ALUMINUM MACHINE BOLT w/NECKED-DOWN SHANK
ALUMINUM MACHINE BOLT w/NECKED-DOWN SHANK3.AIRCRAFT CABLE RESTRAINT TECHNIQUE FOR WALL SYSTEMS
AIRCRAFT CABLE RESTRAINT TECHNIQUE FOR WALL SYSTEMS4.DISCUSSION OF DYNAMIC TESTING PROTOCOL
DISCUSSION OF DYNAMIC TESTING PROTOCOL 