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7/28/2019 Weld Calculation Equivalent to Bolts
1/3
WELD CALCULATION EQUIVALENT TO BOLTS
BOLTS:
DIAMETER OF BOTLS = M20 mm
NO OF BOLTS = 4 Nos
SHEAR STRENGTH OF EACH BOLT = 65 KN (REFER SHEAR CAPACITY TABLE)
SHEAR CAPACITY OF TOTAL BOLTS = 260 KN
WELDS:
LENGTH OF WELD = 2 X 250 + 95 + 90 (EXAMPLE)
120
= 340 mm
STRENGTH OF WELD = 145 N/mm2
EQUIVALENT THICKNESS OF THE WELD = 7.46 mm
THE REQUIRED WELD THICKNESS = 7.46 mm
110
110
7/28/2019 Weld Calculation Equivalent to Bolts
2/3
WELD CALCULATION EQUIVALENT TO BOLTS
BOLTS:
DIAMETER OF BOTLS = M24 mm
NO OF BOLTS = 5 Nos
SHEAR STRENGTH OF EACH BOLT = 93.6 KN (REFER SHEAR CAPACITY TABLE)
SHEAR CAPACITY OF TOTAL BOLTS = 468 KN
WELDS:
LENGTH OF WELD = 2 X 250 + 95 + 90 (EXAMPLE)
500
= 1100 mm
STRENGTH OF WELD = 145 N/mm2
EQUIVALENT THICKNESS OF THE WELD = 4.16 mm
THE REQUIRED WELD THICKNESS = 4.16 mm
50
50
7/28/2019 Weld Calculation Equivalent to Bolts
3/3
WELD CALCULATION EQUIVALENT TO BOLTS
BOLTS:
DIAMETER OF BOTLS = M24 mm
NO OF BOLTS = 10 Nos
SHEAR STRENGTH OF EACH BOLT = 93.6 KN (REFER SHEAR CAPACITY TABLE)
SHEAR CAPACITY OF TOTAL BOLTS = 936 KN
WELDS:
LENGTH OF WELD = 2 X 250 + 95 + 90 (EXAMPLE)
440
= 1040 mm
STRENGTH OF WELD = 145 N/mm2
EQUIVALENT THICKNESS OF THE WELD = 8.78 mm
THE REQUIRED WELD THICKNESS = 8.78 mm
80
80