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Group of bolt-rows
The EN 1993-1-8 Art 6.2.4.2 specifies that each bolt-row should be considered either as an individual bolt-row and also as a part of the group of bolt-rows if possible.
Within SCIA Engineer, we can split the making "group of bolt-rows" approach into two steps:
- Define the borders for a group of bolt-rows. Presence of the beam/haunch flange or a stiffener creates such a border. As a result of that, we know to which group every bolt-row belongs.
- Considering the first bolt-row (the one farthest away from center of compression) in each of the group from previous step, as a starting bolt-row and by adding additional bolt-rows below, the final groups of bolt-rows are generated. Then we do the same the second, the third and other bolt-rows, until we hit the last bolt-row.
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