capacity of bolts in bearing connection based on aisc-asd 9th edition
DESCRIPTION
Bolt CapacityTRANSCRIPT
-
PROJECT : PAGE :
CLIENT : DESIGN BY :
JOB NO. : DATE : REVIEW BY :
INPUT DATA & DESIGN SUMMARY
BOLT DIAMETER = 0.875 in ( 7/8 in)BOLT MATERIAL (A307, A325, A490) ASTM = A325
HOLE TYPE (STD, NSL, OVS, SSL, LSL) = > STD
STD = Standard round holes ( d + 1/16 " )
NSL = Long or short-slotted hole normal to load direction
OVS = Oversize round holes
SSL = Short-slotted holes holes
LSL = Long-slotted holes
LOADING (S=single shear,S=double shear) D
CONNECTION TYPE (SC, N, X) = > N
SC = Slip critical connection
N = Bearing-type connection with threads included in the shear plane
X = Bearing-type connection with threads excluded from the shear plane
PLATE THICKNESS t1 = 1 in
PLATE MATERIAL (A36, A441-46, A472-50,A514-90) ASTM = A36
NUMBER OF ROWS = > 3
NUMBER OF BOLTS / ROW = > 3 Pallowable = 161 kipsBOLT SPACING s = 3 in
EDGE DISTANCE e = 1.25 in
ANALYSIS
MIN.THICKNESS OF SIDE PLATES t2 = 0.5 in PLATE YIELD STRENGTH Fy = 36.0 kips
PLATE WIDTH D = 8.50 in PLATE TENSILE STRENGTH Fu = 58.0 kips
Bolt P (kips)
CHECK MIDDLE PLATE FOR SHEAR : 0.875 25.30 228
CHECK MIDDLE PLATE FOR BEARING DUE TO BOLT SPACING : 0.875 60.90 5483 1.5
CHECK MIDDLE PLATE FOR BEARING DUE TO EDGE DISTANCE : 3.00 1.50 0.875 36.3 327
CHECK MIDDLE PLATE FOR TENSION : 0.6 Fy Ag = 184 0.5 Fu U An = 161