Flat cover opening reinforcement problem
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The effect of opening weakening has been taken into account in the flat cover calculations; is it then still necessary to perform calculations for opening reinforcement?
The flat cover calculation does not take into account the weakening effect of openings; reinforcement calculations are required for openings.
The effect of opening weakening has been taken into account in the flat cover calculation
But after the adapter was installed, were additional stresses generated due to misalignment in deformation?
Calculate based on sw6 flat cover openings; however, some specifications do not fall within the 150-opening range
If it is not necessary to carry out further reinforcement calculations for openings, then there is no need to include the calculations for reinforcing openings in flat covers as specified in GB150.3. The flat covers calculated according to Chapter 5 are either hole-free or have holes that have been reinforced, so the effect of weakening caused by openings has already been taken into account.