In LEAP Bridge Concrete , for a flared bridge model with only one single span, the user has to follow some steps to adjust the Precast length : 1. Open the model and go to the Superstructure tab, select the Precast/Prestressed Girder button to open…

Users can create different sections along a beam length or path. The checking of the option "Different end template" allows to turn on the transition between the positions of the specified sections. Users should have some special attention to detail:…

In OBD CE 2021 Release 2 and RM Bridge v11.13, was implemented the Ultimate Check Capacity using different types of force component selections namely: Total: Normal, Total: Split and, Total: Join . The non-composite cross-section defaults to the Total…

In OBD CE 2021 Release 2 and RM Bridge v11.13, was implemented transfer tendon points to all beams in one unique deck cross-section. When transferring OBM model to RM, for analysis, the User can choose the option "Transfer all beams inside one deck…

For bridge precast girders there are some elevation measurements that are an specific geometrical issue to achieve the final roadway profile while accommodating the girder camber and geometric effects of the roadway surface including super elevations…

QUESTION: How do I keep the beam properties different at beam level than what is in Material tab? ANSWER: In Precast-Prestressed/CONSPAN under Show > Preferences we have an option “Retain Beam Level Changes”. This setting is not file specific, it is…

Document Information Document Type: FAQ Product(s): LEAP CONSPAN/ Precast/Prestressed Girder Version(s): All Original Author: Bentley Technical Support Group QUESTION: Where are the strand patterns and stirrup patterns saved? ANSWER: …

Here are the steps to add or modify strand location for Precast/Prestressed Beam sections: Open Precast/Prestressed Module Open the Beam Section library by clicking on Beam Section on the ribbon or by clicking on Libraries > Beam Section from menu…

From the Analysis tab open the Analysis Factors dialog. The Analysis Factors will default to the Distribution tab. The calculated distribution factors will appear on the screen. You can select the Computed option to allow the program to calculate…

When ABC (Create/Edit Bridge) is grayed out and you want to change the span length you will need to open Precast/Prestressed module and change it in the Geometry tab. If the bridge is along a curved alignment click on Layout and change the station…

To add the section from a existing file to the beam section library follow these steps: Open LEAP Bridge Concrete and open the file that has the missing beam section. Go to the Superstructure tab and launch Precast/Prestressed Girder module. You…

Question : Why am I not able to change the Mag1 values in Precast/Prestressed module when generating loads manually? Answer : In OpenBridge Designer (10.09.01.15) > LEAP Bridge Concrete (21.00.00.24) this is a known issue. We are unable to enter the…

The Span Type offers multiple choices to select from: Simple Span: The Simple Span option allows you to specify information for only one span at a time. Multi Span (continuous): The Multi Span (continuous) option should only be selected if the live…

Document Information Document Type: FAQ Product(s): LEAP CONSPAN/ Precast/Prestressed Girder Version(s): All Original Author: Bentley Technical Support Group - VM QUESTION: If the user is using LRFD then he/she does not have to check "Wide…

Document Information Document Type: FAQ Product(s): LEAP CONSPAN/ Precast/Prestressed Girder Version(s): All Original Author: Bentley Technical Support Group -VM QUESTION: AASHTO LFD STANDARD CODE -- How the program is calculating Shear…

Document Information Document Type: FAQ Product(s): LEAP CONSPAN/ Precast/Prestressed Girder Version(s): All Original Author: Bentley Technical Support Group - VM QUESTION: If the user is working on an adjacent box beam design with a 6%…

The Calculation for amount of reinforcing steel needed in the top of the precast section is shown in the CONSPAN tutorials on pages HC-38 & HC-39 and also in other examples and to locate this information in CONSPAN output the user needs to check SERVICE…

Document Information Document Type: FAQ Product(s): LEAP CONSPAN/ Precast/Prestressed Girder Version(s): All Original Author: Bentley Technical Support Group - VM QUESTION: Does Leap Conspan considers centrifugal force and apply distribution…

Document Information Document Type: FAQ Product(s): LEAP CONSPAN/ Precast/Prestressed Girder Version(s): All Original Author: Bentley Technical Support Group - VM QUESTION: How can the user input new AASHTO live load HL93 which is a combination…

Document Information Document Type: FAQ Product(s): LEAP CONSPAN/ Precast/Prestressed Girder Version(s): All Original Author: Bentley Technical Support Group -VM QUESTION: Is it possible to apply live load as point load in Conspan? ANSWER…

Document Information Document Type: FAQ Product(s): LEAP CONSPAN/ Precast/Prestressed Girder Version(s): All Original Author: Bentley Technical Support Group - VM QUESTION: User wants to use LRFD format while applying AREMA-E80(T) loading…

The attached image should explain the Deck Offset and Deck Width along with other terms:

Document Information Document Type: FAQ Product(s): LEAP CONSPAN/ Precast/Prestressed Girder Version(s): All Original Author: Bentley Technical Support Group -VM QUESTION: How does CONSPAN calculate the tenth points? For ex: User is unable…

Document Information Document Type: FAQ Product(s): LEAP CONSPAN/ Precast/Prestressed Girder Version(s): All Original Author: Bentley Technical Support Group - VM QUESTION: Does Conspan calculate the cracked section properties ? ANSWER…

Document Information Document Type: FAQ Product(s): LEAP CONSPAN/ Precast/Prestressed Girder Version(s): All Original Author: Bentley Technical Support Group -VM QUESTION: Are permit vehicles (PV) used in calculation of moments in the negative…