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  • RCPier P-Delta Analysis increases axial forces in the column.

    When running analysis with and without P-delta I noticed there is a substantial increase in the axial column force when P-delta is applied. At the node 1 the difference is about 300 kips. What could be a reason for such an increase? Any insight is appreciated…

  • LBS Substructure Module Imported Centrifugal Force

    Hello, When I first open the Substructure Module there is a CE load that is imported from LBS. This load only has a couple force in the Y direction acting at the exterior bearings. However, when the Auto Generation tool is used, lateral forces…

  • How to access RCPIER in LEAP

    To access RC-PIER in LEAP users just need to select the Substructure Tab in the Project and hit the Substructure button, as indicated by the red arrows in the screenshot below.

  • LEAP Bridge - RCPier Centrifugal Forces Considerations

    Hi, There are cases where centrifugal forces produce a moment that actually counteracts the critical moment in the column, does RCPier consider effects due to vehicle cases without centrifugal forces as provisioned in AASHTO Spec (See below excerpt…

  • LEAP RC-PIER P-delta effect in load combinations

    When checking Show P-delta Effects in the Analysis tab, are the values shown represent values with p-delta effect? For example, are the column/shaft moments magnified with p-delta factor in these load combinations (with a "C" on the end of the LC#)? If…
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