Skip to content

Home > User Interface > Results Processing > Structural Code Check Post-Processing > Code checks on joint

Code checks on joint

Five code checks are implemented for joints:

  • API-RP-2A-WSD-2007
  • API-RP-2A-LRFD-1993
  • ISO-19902-2007
  • NORSOK-N-004-2004
  • NORSOK-N-004-2013

Note

The names used for code checks by DeepLines are those which are listed in the Study tab. To see which regulation (or part of regulation) these names correspond to, you must refer to the section Theory/Structural Code Check.

Definition of a joint

Joints have to be defined as described in the section Joints.

Parameters

There is no code check parameter for a joint.

But it is possible to use reinforced sections for a joint. For that, the user has to select, from the Selection tab, the segments for which he wants to change the default sections. So it is possible to choose, from the Parameters tab, a different section for each segment. These new sections are taking into account when the code checks on joints are computed. We recall that, if the user choose only code checks on joints, the fact of selecting segments do not disturb the code checks computation, because only the joints among the selected elements will participate in the calculation of the code checks.

Options

The code checks options have the same value throughout the code checks study.

API-RP-2A-LRFDD-1993, ISO-19902-2007, NORSOK-N-004-2004, and NORSOK-N-004-2013 on joints

Code checks on joints have two types of ratios for a joint:

  • A geometric ratio independent of the loadings.
  • One (or more) "dynamic" ratio(s) that depend(s) on the loadings. The user can choose one or both of these two types by checking the corresponding check-boxes.

API-RP-2A-WSD-2007 on joint

This code check has another type of check: the strength check which depend on the loadings.

Results

We recall that code checks on joints have two types of ratios for a joint: - A geometric ratio independent of the loadings. - One (or more) "dynamic" ratio(s) that depend(s) on the loadings.

But the geometric ratio often has a value equal to 1 (which is a value acceptable from the point of view of the regulation) and then, the dynamic ratios which are lower than 1 are "hidden" by the geometrical ratio when determining the maximal ratio. So it is only the dynamic ratios that determine the maximal ratios. To view the geometric ratios, select the Maximal ratios by check button of the Results tab, and they appear in the Geometric column, as shown in the screen-shot below.

Similarly, for output in columns, select the Detailed_Ratios column to have geometrical ratios that appear in a dedicated column.

There is another way to obtain the maximal ratio from the loads ratios and to compute also the geometric ratio:

  • Create a first study with the required code check and select only the Load check box in the Options panel. Specify the analyses times you are looking for in the Analysis tab.

  • Create a second study with the same code check and select only the Geometric check box in the Options panel but with only one time step in the Analysis tab (since the Geometric ratio is independent of the loadings).