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  • Leap bridge concrete Flexure check

    Hi If we define bar length, is leap bridge software have capability to deduct development length based on dia of bar and calculate flexure check at that point.
  • LEAP Bridge Concrete Legal Load Rating Output

    I am performing a load rating of concrete box girders. The rating factors/tons is not displayed since the Inventory Design Load Rating Factor > 1. Is there an option to make the program display the factors even if the RF is greater than 1 or is that information…
  • LEAP Conspan Multiple Presence Factor

    How does LEAP Conspan apply multiple presence factors if live load distribution factors are entered manually? If distribution factors are entered manually, is it up to the user to apply the multiple presence factor to the manually inputted distribution…
  • Leap-Bridge Concrete: -nan(ind) error

    I get the -nan(ind) error during final stress check whenever I provide temperature load for the girders. Is there a solution to this issue? I am using LEAP Bridge Concrete CE 19.02.00.33.
  • Horizontal shear method and result

    I don’t know when I use “include beam and slab contribution in Vu” and “Exclude Beam and Slab contribution form Vu” why are V vh-rg values zero?
  • LEAP BRIDGE CONCRETE V19 U3: CAMBER AND DEFLECTION VALUES NOT CALCULATED IN DESIGN SUMMARY

    Occasionally when I print beam design results, I will get zero camber and deflection values reported in the design summary. I have to go back and rerun the analysis and that clears it up. Is this bug documented and is there a fix?
  • Difference between release stresses and release lifting loops stresses

    What is the difference between the stresses given for the depression point in the "Release Stresses" box and the "Release Lifting Loops" box?
  • LEAP Bridge Concrete Shear Stirrup Spacing

    I hope this is an easy question regarding the shear stirrup spacing... Does the program insert a stirrup at the start location specified? For example, in the image below, is there a #3 2-legged stirrup provided at 0.00', 0.25', etc. or do the stirrups…
  • Additional Composite DW load?

    Is there a way to add a supplemental composite DW load for a poly wearing surface in Leap Concrete Bridge? I want to keep it separate from the Future Wearing Surface (Composite DW) load I already have. This is necessary to accurately calculate camber…
  • LEAP Bridge Concrete DW loads

    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…
  • LEAP Bridge Concrete Reactions

    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.
  • Modifying and fixing lane width in LEAP

    Hi, I am trying to fix the lane position on a bridge which carries railway traffic. Does Leap have the option of fixing the lane width to certain value and certain position , as in a railway bridge the position of rails are fixed ?
  • Upgrade to LEAP Bridge Concrete!

    LEAP Bridge Concrete now includes all of the individual LEAP modules that were previously sold separately (CONSPAN, CONBOX, CONSPLICE, RC-PIER, and GEOMATH.) With LEAP Bridge Concrete you can create 3D bridge models, perform analysis, design, and load…
  • Detensioning Failure

    I have a single span bridge using I-girders that I need close to the max amount of strands in. These are all straight strands, and I've had to debond to 4 different lengths from the end. The longest debond is 25' of my ~90' girder. When I look at the…
  • Customized output reports

    Is there any way to get a customized output in CONSPAN or LEAP Bridge? For example if I only want to print stresses at the same 4-5 locations along with some other outputs. Is there any way to accomplish this?
  • Customizing the section at End girder

    Dear supporter, I study to use Leap Conspan with I section girder; normally, the cross section of this type of girder has the difference from middle and end position (end cross section is bigger than middle one). I could not found any function to describe…
  • Time-Dependent Loss model used by Conspan

    What Time-Dependent Loss model does Conspan use (CEB 90, ACI 209, LRFD 6th etc.)? In the Design Parameters box in the Girder or Analysis tab there are options for Approximate Method, Refined Method, or Pre '2005 Interims' LRFD to compute losses. This…
  • Importing Permit Loads from Conspan to RC-Pier

    I'm modeling a PC/PS Girder Bridhge in LeapBridge, Conspan and RC-pier, based on California amendments to AASHTO. I am able to import my Vehicular LL and Fatigue LL from CONspan into RCpier, but RC-pier isnt letting me import the Permit Loads. Do you…
  • New Release - LEAP Bridge V8i SELECTseries 5 (v12.01.00.57) - now available

    LEAP Bridge v12.01.00.57 Enhancements: Introduced a new analysis option “Integral Abutment Bridge” in the Project tab. This option allows users to analyze and design integral abutments. Support for Pile Bent and Wall Pier Type abutments has…
  • Bridge Engineer? Create your own 3D Bridge Models ...

    Always wanted to create your own 3D Bridge Models for use in presentations and reports? Using LEAP Bridge this is real easy and ultra cool. Most importantly it is the same structural model that is used to analyze and design your bridge. A simple byproduct…
  • CE News Webcast Recording: Replacing the Katrina-Damaged I-10 Twin-Span Bridges

    Watch Now! Discover how the Louisiana Department of Transportation and Development integrated design efforts across multiple teams and locations to complete their bridge project under budget and ahead of schedule!
  • New Release: LEAP Bridge V8i (SELECTseries 2) v10.00.01. Coming Soon ...

    LEAP Bridge v8i (SELECTseries 2) v10.00.01 is a new release which incorporates numerous new features and enhancements component programs. LEAP Bridge v10.00.01 Enhancements ABC Wizard now allows users to model T beam bridges, reinforced or post…
  • LEAP Bridge V8i (SELECTseries 2) maintenance release v10.00.02.19 now available on SELECT

    LEAP Bridge v8i (SELECTseries 2) v10.00.02 is a maintenance release and incorporates the following fixes to itself and its component programs: LEAP Bridge v10.00.02 Fixes: Fixed an error in LEAP Bridge, where if the user selects EXIT option…