• short-term and long-term composite cross-section

    Dang Nguyen Khoa
    Dang Nguyen Khoa
    Hi all. In composite steel girder bridges with concrete decks (continuous span bridges), does RM bridge automatically Calculator effective width of deck to calculate short-term and long-term composite cross-sections? best regards.
    • 2 months ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Steel composite bridge

    Dang Nguyen Khoa
    Dang Nguyen Khoa
    Hi all. I hava some question about steel composite brige as follows: 1. To calculator stress point of section, Rm Bridge automatic use short-term section for live load and load case type Non-permanent and use long-term section for load case type Permanent…
    • 2 months ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • LEAP Steel - Rating Mode - Lateral Torsional Buckling

    Anthony Grkman
    Anthony Grkman
    Hi, I am rating a multi-span steel bridge. When I run the model in "design mode" the program appears to correctly calculate the stress and capacity as per AASHTO specifications. Specifically, when checking Lateral Torsional Bucking within the negative…
    • 4 months ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Gap in Deck

    Micheale Morgan
    Micheale Morgan
    I am trying to model a bridge that has two abutments and five piers. I have two beam groups (one with 7 beams and the next with 8) that changes at the middle pier. At this point I need the deck to have a gap 20" wide, which is filled with a joint filler…
    • over 1 year ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Straight Beams angled at the splices

    Micheale Morgan
    Micheale Morgan
    In LEAP Bridge Steel is there a way to model a beam that is angled at the splice points. The bridge deck is curved but the beams are straight between splice points turning 1-3 degrees at each splice. I need the same member group to run from abutment to…
    • over 1 year ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Steel composite bridge

    Dang Nguyen Khoa
    Dang Nguyen Khoa
    Hi all. I hava some question about steel composite brige as follows: 1. To calculator stress point of section, Rm Bridge automatic use short-term section for live load and load case type Non-permanent and use long-term section for load case type Permanent…
    • over 2 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Leap Steel v19.02.00.06 automatic wearing surface load appears incorrect

    Alexander Abbott
    Alexander Abbott
    I am currently design 4 bridges in LEAP Steel v19 but am encountering an issue with the tool to automatically generate loads for the wearing surface of the structure. The bridges are all of a similar type, but some are wider than others and one is on…
    • over 3 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Beams outside of Deck edge

    Jaimin Patel
    Jaimin Patel
    Hi, I am trying to Model a Steel bridge in OBM (Not too worried about analysis, just need a 3D model). Need to find out the best workflow. There are mainly 3 Questions . (Refer to the images below) 1. What type of Bridge I should pick at the…
    • Answered
    • over 3 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • SIG Workshop: Bentley Bridge – New Developments in OpenBridge Designer

    Patsy Gant
    Patsy Gant
    Bentley Bridge Special Interest Group: New Developments in OpenBridge Designer Host: Alex Mabrich, Senior Application Engineer, Bentley Systems, Inc. 14 November 2019 - 02:00 P.M. EST Register Now Check out November’s Bentley…
    • over 4 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Varying Beam Spacing LEAP Steel

    Amber McCullough
    Amber McCullough
    I have beams with varying spacing. When I try to make multiple beam groups within the same span, an error message says that beam groups are overlapping. Ok, so it obvious you cannot have more than one "beam group" within the same span. If I have 10 beams…
    • over 5 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Fonts cut off?

    Jennifer Fonken
    Jennifer Fonken
    Hello, There appears to be a font compatibility issue. In the program LEAP GEOMATH V8i, it looks like you should be able to adjust the window in order to see the rest of the menu, however there is no option to move it. This issue is not resolved…
    • over 8 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Re: LARS Composite Beam Rating - LFD

    Rita Oglesby
    Rita Oglesby
    LARS steel sections properties are usually the same as many programs. If the Description/Analysis Codes/LFD Moment Redistribution option is checked, LARS will perform the moment redistribution as specified in AASHTO Standard Specification 10.48.1.3…
    • over 11 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • View related content throughout LARS | LEAP | OpenBridge | OpenTunnel | RM
  • More
  • Cancel