The LBS users can utilize either the Design Mode or the Rating Mode . Therefore, the Rating Combinations are different from the Load Combinations and the Rating Loads can be dissimilar from the Design Loads . The user must initially select the Mode: Rating…

LBS inside OpenBridge Designer , allows users to easily create models with longitudinal stiffeners within a girder element with a variable height. After the usual geometry and modeling steps for creating the main girders in the Member Definition tab,…

LEAP Bridge Steel Analysis Frequent Answered Questions

LEAP Bridge Steel main page

Document Information Document Type: FAQ Product(s): LEAP BRIDGE STEEL Version(s): All Original Author: Bentley Technical Support Group -VM QUESTION: How to assign Cantilever/Overhang definition in LBS? ANSWER: To model cantilever/Overhang…

What's New in OpenBridge Designer CONNECT Edition 2021 Release 2 (March 2022) This topic summarizes the new enhancements in OpenBridge Designer (OBD) CONNECT Edition 2021 Release 2 (v10.10.20.34) and its components OpenBridge Modeler (OBM), RM Bridge…

The Deck Placement Sequence command allows previously defined slab segments (from the Deck Slab command) to be placed into the construction stages, which define the order in which the segments will be placed on the bare steel for the constructibility…

The Loads command provides the means to add a dead load and a live load to the bridge. Additionally, load combinations can be defined for any of the Analysis Stages. LEAP Bridge Steel will automatically generate load cases and load combinations for each…

Initially, the migration from OpenBridge Modeler . to OpenBridge Designer usually allows users to use OpenBridge Modeler from OpenBridge Designer . So, in general, the new licenses are, for now on, for OpenBridge Designer and include OpenBridge Modeler…

For creating a simply supported condition for each span you will have to place groups for each span in Member Groups tool followed by setting the support condition correctly. In example shown we have a 2 span bridge we want to have simply supported condition…

What's New in OBD CONNECT Edition, 2021 Release 1 This topic summarizes the new enhancements in OpenBridge Designer CONNECT Edition v10 Update 10 and its components 1) OpenBridge Modeler (OBM), 2) RM Bridge, 3) LEAP Bridge Concrete (LBC), and 4) LEAP…

OpenBridge Designer CONNECT Edition V10.09.01.15 contains the following analytical enhancements, user request enhancements, and bug fixes in its components (RM/LBC/LBS): AASHTO LRFD 9th Edition update (LBC) This enhancement aims to support the…

QUESTION: How do we see/add WT sections in the standard sections list? ANSWER: Here are the steps to select and add a WT section: Open The Standard Sections List dialog Select W Shape in the left tree Select the section from the list Click…

Document Information Document Type: FAQ Product(s): LEAP BRIDGE STEEL Version(s): All Original Author: Bentley Technical Support Group - VM QUESTION: How to add a Custom Vehicle in Leap Bridge Steel? ANSWER: User can apply Custom Live…

When working in LBS if the program crashes or things that were working/reporting fine before are now showing some issues please do the following clean up of temp file as shown below: Exit any LEAP and OBD file you may have open. Open File Explorer…

As OpenBridge Designer CONNECT Edition includes all bridge analytics products, LEAP: LBC, LBS and RM Bridge Enterprise , it is important for all users to understand that it offers two different workflows: a BIM Workflow , which guides the user through…

QUESTION: It appears that the program applies that load to all beams and when I tried to change the loads to apply just to the 2 exterior barriers I get a warning message that any change to an automatically generated load case will be lost next time the…

By default wind load is not added to the Load Combinations, you will have to create and add to the desired load combination to be considered. To create a new Wind load, right clicking on Wind Load Group and selecting Add Wind Load: Then you right…

You can modify the load modifiers by right clicking on the load combination for which you want to change the eta factors and select Edit Combination and change the Eta factors: