• allowable deflection of a suspension bridge

    Dang Nguyen Khoa
    Dang Nguyen Khoa
    Hi all. Can you tell me what the allowable deflection of a suspension bridge is? And what standard is this deflection limit based on? best regards.
    • 2 months ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • 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
  • upward deflection of the continuous bridge structure

    Dang Nguyen Khoa
    Dang Nguyen Khoa
    Hi all. In continuous beam structures, the allowable downward deflection of the bridge under HL93 load is L/800. So may I ask what is the upward deflection of the continuous bridge structure under HL93 load? best regards.
    • 2 months ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Reinf crack for prestressed concrete

    Dang Nguyen Khoa
    Dang Nguyen Khoa
    Hi all. I have a question about Reinf crack for prestressed concrete as follows: If you calculator stress bot of section beam in MinMz_Service exceeding allowable stress tension limit is 0,5 x sqrt(f'c), you can calculator reinf area to control crack…
    • over 2 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
  • T-beams

    Eswar L
    Eswar L
    How do I calculate AX, IX, IY, IZ, AY, AZ, YD, and ZD for a T-BEAM bridge section in the general option in STAAD ?
    • over 3 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Arch Bridge - Rm bridge

    Due Due
    Due Due
    hello Everybody! At this time! Can you help me? How to draw " this member " of Arch Bridge in Rm-Bridge? Note: only is red lines in the picture.
    • Answered
    • over 4 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Modelling Integral bridges in OpenBridge

    Oliver Nicholls
    Oliver Nicholls
    Hi OpenBridge Community, Has any body modeled any Integral or simi-Integral bridges in OpenBridge Modeler? Has any body come up with a method for producing a 'down stand' as shown below? Thanks Oliver
    • over 5 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Design of Hanger Reinforcement of Muli-Column Inverted Tee bent

    Mustafa Al-shammary
    Mustafa Al-shammary
    Recently, I have started working on Leap Bridge Concrete V 17.01.01.11 , and we start questioning whether the hanger reinforcement check has been considered or not on this version, AASHTO 5.13.2.5.5. I couldn't see anywhere checking the combination of…
    • over 5 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • Skew Girder Ends

    Amber McCullough
    Amber McCullough
    How do I modify the beam template to have skewed ends as detailed by TxDOT for skewed bridges? Currently, the beam ends interfere with the abutment backwalls. ftp.dot.state.tx.us/.../igebsts1.pdf We do not want to put the beams on a skew but rathre…
    • over 5 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • how to make template?

    Eka Silitonga
    Eka Silitonga
    • over 6 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • CONSPAN - Precast Girders at Interior Supports

    J. M.
    J. M.
    I am using CONSPAN in my design and have a couple of questions about the method in which the program performs calculations. Does CONSPAN design prestressed girders, at the interior supports, as reinforced concrete beams? According to AASHTO, LRFD 5.14…
    • over 6 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • LEAP Bridge Concrete DW loads

    Tucker Raney
    Tucker Raney
    How does LEAP Bridge Concrete calculate the reactions for DL-Comp. (DW)? I added up all the DW reactions and compared to a hand calc of utlities and overlay loads. The total DW is nearly 4 times greater than my hand calcs. I have 4 beam lines with 0.05…
    • over 6 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
  • LEAP Bridge Concrete Reactions

    Tucker Raney
    Tucker Raney
    In the Shear/Moment Envelope (&Reactions) Design output what is the difference between live load Max, Truck, and Lane? Is the max HL-93 including truck and lane loading? I have a 6 span continuous concrete superstructure.
    • Answered
    • over 6 years ago
    • LARS | LEAP | OpenBridge | OpenTunnel | RM
    • LARS | LEAP | OpenBridge | OpenTunnel | RM Forum
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