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What is the difference between the stresses given for the depression point in the "Release Stresses" box and the "Release Lifting Loops" box?

I'm running a curved bridge in LEAP Concrete. The begin and end bents have different skews resulting in variable girder lengths. LEAP suggests running the, "Girder-by-Girder" analysis. However, when running this analysis my girder is failing, miserably…

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…

It appears that the Future Wearing Surface ksf in the wizard is being multiplied by the entire width of the bridge (minus barriers) and then being applied to every beam (slab). I have to enter the load without the wizard to get the proper load per foot…

It is unclear to me what is to be input for beam spacings. When I input the spacing measured between bearings measured parallel to the support, I get the error message "Sum of beam spacings is greater than Overall Width in Span."

Hello, Camber and deflections are reported at 10th points along the beam. I am modelling a longer span which will require more than 10 screed points. Is there a way to toggle the number of points? Or do I have to interpolate? Thanks,

I am using Leap Bridge Concrete CONNECT Edition v17.01.01.07. I used ABC wizard to model a two span non continuous bridge (110'-104') with a 17.5 degree skew. The deck in span 1 is 66.6 ft while in span 2, it flares from 66.6ft in the interior bent to…

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…

I'm looking to test some individual locations for stirrups in a beam and was trying to insert a single stirrup into the design to test a few variables is this possible and if so how do you make sure it gets into the right location.

We've run into an issue where files created in the Precast/Prestressed Girder module in LEAP Bridge Concrete sometimes are not able to be opened after we save and come back to our work. We attempt to open the file and it will begin to load, then it stops…

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…

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…

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.

When calculating the top and bottom stresses at the transfer and bearings, does LEAP take into account the development length? It seems that the stresses its calculating at the bearings and the transfer are higher than what they should be. Does LEAP use…

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 ?

Hello, I'm designed a decked bulb tee and I notice that the composite section is the same as the beam section. The composite section should include the closure pours, but I can't seem to find a way to make this happen via the program or manual override…

In the hand calculations tutorial for elastic gains HC-37 None of the gains listed in my output can be matched when using the equation above. Has the equation changed recently and the tutorial not updated?

I am receive the error dialog box below when opening a .csl file directly (double clicking on the file from Windows Explorer to open) from a network drive after updating to latest release on CONSPAN 14.01.00.01. I can select OK and move on but the…

From what I understand Conspan calculates 10th point increments from the total precast length and not the bearing to bearing span length. Is there a way to get camber and deflection readouts at the bearing to bearing 10th points? All the DOTs in New England…

Is there a tutorial or further information on how to use the "Flared Girder" option in Conspan? I am using version 14 and have entered the spacing between beams along the support but when the spacing is shown in the bridge section, the beam spacing is…

Hi, I am designing girders for a span that has no skew on one end and a 45 degree skew on the other. There are 7 girders with lengths that range from 102.5' to 142.5'. I used the center girder's length as the Precast Length under the geometry tab…

I am having an issue with CONSPAN calculating the shear and moment envelopes. I am designing a 75 ft beam using the AREMA Cooper E-80 Live load. The shear and moment envelopes that I get are not symmetrical. The live load shear row (highlighted),…