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The distance between the centers of standard, large, and slot holes, s, is not less than 22/3 times the nominal diameter, d, of the fastener. According to AISC 360-16, the distance between centers of standard, oversized, or slotted holes of 3D is preferred. (s ≥ 3d)
This control is done automatically and reported in bolted connections.
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The distance from the standard hole diameter center to the edge of the element, in any direction, cannot exceed the values given in AISC 360-16 Table J3.4.
The distance from the center of the large or slotted hole to the connected part edge cannot be less than that required for a standard hole to an edge of a connected part plus the applicable increment, C2, from AISC 360-16 Table J3.5.
This control is done automatically and reported in bolted connections.
TABLE J3.4M | |
---|---|
Bolt Diameter, mm | Minimum Edge Distance |
M16 | 22 |
M20 | 26 |
M22 | 28 |
M24 | 30 |
M27 | 34 |
M30 | 38 |
M36 | 48 |
≥ M36 | 1.25d |
TABLE J3.5M | ||||
---|---|---|---|---|
Nominal Diameter of Fastener | Oversized Holes | Slotted Holes | ||
Long Axis Perpendicular to Edge | Long Axis Parallel to Edge | |||
Short Slots | Long Slots | |||
≤ 22 | 2 | 3 | 0.75d | 0 |
24 | 3 | 3 | ||
≥ 27 | 3 | 5 |
Maximum Bolt Spacing and Distance to Edge
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Note: The points specified in AISC 360-16 J2b.2 for the maximum thickness of the filled welds are not automatically checked.
TABLE J2.3 Minimum Effective Throat of Partial-Joint-Penetration Groove Welds | |
---|---|
Material Thickness of Thinner Part Joined, mm | Minimum Effective Throat, ( mm) |
To 6 inclusive | 3 |
Over 6 to 13 | 5 |
Over 13 to 19 | 6 |
Over 19 to 38 | 8 |
Over 38 to 57 | 10 |
Over 57 to 150 | 13 |
Over 150 | 16 |
TABLE J2.4 | |
---|---|
Material Thickness of Thinner Part Joined, mm | Minimum Effective Throat, ( mm) |
To 6 inclusive | 3 |
Over 6 to 13 | 5 |
Over 13 to 19 | 6 |
Over 19 | 8 |
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