Detailing of bolts and welds according to Hong Kong Code

Detailing of bolt spacing and edge distance and weld minimal size.

Bolts

Bolt minimum spacing is according to Cl. 9.3.1.1: Centre to centre of bolt should be larger than \(2.5 \cdot d\), where \(d\) is nominal bolt diameter.

Minimum edge distance measured from the centreline of the bolt is according to Table 9.3:

Bolt sizeMinimum edge distance [mm]
M1218
M1622
M1824
M2026
M2228
M24 and over\(1.25 \cdot d\)

Welds

Minimum leg size of fillet welds is checked according to Table 9.1.

Thickness of the thickest part [mm]Minimum leg length [mm]Minimum throat thickness [mm]
\(t \le 6\)32.121
\(6 < t \le 13\)53.536
\(13 < t \le 19\)64.243
\(19 > t \)85.657


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Check of components according to Hong Kong Code of Practice

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