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DNV 2.7-1 Shear Check

DNV 2.7-1 Shear Check

DNV 2.7-1 Shear Check

(OP)
Hi,

I am designing an container and did a stick figure analysis. The reaction in one of the supports comes to 56045 N. As per DNV 2.7-1 there should be a check that the bottom side rail does not fail in shear. As the analysis software only gives the reactions/forces at a point only, is it correct that I divide the force across two cross sections as shown (as these would be the two cross sections under shear). This is because the force in the rectangular beam has to be divided into two sections (at each ends). Is this correct? Please advise.

Regards,

TFR

RE: DNV 2.7-1 Shear Check

hello TFR,

Ideally u would be dividing it off by 4 sections, not two. As each end of the RHS section cuts off the side rail creating a shear path of 4 cross sections on each support.

GEstruc

RE: DNV 2.7-1 Shear Check

You have a beam with a hole in the middle (forklift pocket) and you want to determine the shear force on the beam at a particular position. Does your frame analysis package allow you to plot shear force and moment diagrams for that member?

RE: DNV 2.7-1 Shear Check

TFR, you are correct. But you are better off using a single section rather than dividing it by 2 or 4, which will bring you to a conservative check. We had submitted a design to DNV a couple of years back here in Australia with the same thing you are doing. DNV asked to re-do the hand calcs, so we just didvided the shear force with a single section, although very conservative.

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