• How do I copy a pier to multiple locations in LEAP Concrete?

    I have a multi-span structure with 3 very similar piers with variable pier caps. In the ABC bridge wizard I defined a generic rectangular cap pier since it did not have the variable depth option in the wizard. I have now redefined one of the piers with…

  • How to change the stress limits for the intermediate bent cap from normal exposure (=0.19 sqrt(fc) <0.6ksi ) to severe exposure (=0.0948 sqrt (fc)<0.3ksi) in leap bridge concrete

    I need to change the stress limits for the bent cap from normal exposure (=0.19 sqrt(fc) <0.6ksi ) to severe exposure (=0.0948 sqrt (fc)<0.3ksi)

  • RCPier P-Delta Analysis increases axial forces in the column.

    When running analysis with and without P-delta I noticed there is a substantial increase in the axial column force when P-delta is applied. At the node 1 the difference is about 300 kips. What could be a reason for such an increase? Any insight is appreciated…

  • Shrinkage Strain Load & Moment capacity error - LBC Substructure

    I have bent that is being constructed in two phases so some shrinkage will happen on the first phase before the next phase is constructed. In the final condition, I could assume the entire shrinkage strain is applied to both sections but that will be…

  • How to access RCPIER in LEAP

    To access RC-PIER in LEAP users just need to select the Substructure Tab in the Project and hit the Substructure button, as indicated by the red arrows in the screenshot below.

  • How to reduce Load Combination processing time?

    The Load Combination and Analysis is a very memory intensive process. If you have too many loads you should try reduce them so that # of generated loads is less and in turn the analysis will run better. Here are some steps that may help. One of the…

  • LEAP Bridge - RCPier Centrifugal Forces Considerations

    Hi, There are cases where centrifugal forces produce a moment that actually counteracts the critical moment in the column, does RCPier consider effects due to vehicle cases without centrifugal forces as provisioned in AASHTO Spec (See below excerpt…

  • LEAP RC-PIER P-delta effect in load combinations

    When checking Show P-delta Effects in the Analysis tab, are the values shown represent values with p-delta effect? For example, are the column/shaft moments magnified with p-delta factor in these load combinations (with a "C" on the end of the LC#)? If…

  • SIG Virtual Workshop: OpenBridge - Using a BIM or Standalone Workflow in OpenBridge Designer

    OpenBridge Special Interest Group: Using a BIM or Standalone Workflow in OpenBridge Designer Host: Alex Mabrich, Senior Application Engineer, Bentley Systems, Inc. Date/Time: April 7, 2020 at 2 p.m. EDT Register Now This OpenBridge…

  • Multi column pier in Leap bridge concrete

    Hi All I am modelling and designing multi column pier in Leap, But after applying loads i am getting ambiguous bending moment, also huge reinforcement is showing on designing. Please find the model attached and any one please can help and check the…

  • RC Pier / LEAP Concrete V17 Moment Magnification Check Box Gray

    For column design using "Substructure" (RC Pier) in LEAP Bridge Concrete CONNECT V17, why is the check box for moment magnification gray'd out? I am designing a two column (round) pier with a straight, rectangular bent cap. I have tried to model it both…

  • RC-Pier

    When entering the footing size on the footing definition tab for a spread footing RC Pier has a box you can check that reads "compute forces at bottom of footing". When this box is checked the bearing pressures and shear forces are higher than if this…

  • RC Pier Cap Auto Design

    Hi, Dear All, The model is about a hammer head design. To compare with two modelling options in RC Pier. I used both "Hammer Head" and "Multi Columns" pier configuration options to design it. I found something inconsistent for the cap auto design…

  • "Hammer Head" V.S. "Multi Columns" for single column bent

    Hi, Dear All, I have a question regarding "Pier Configuration" options. I am trying to use RC Pier to design a hammer head. I am wondering whether I could use "Multi Columns" option and design it as a "single-column bent". I know there is an option…

  • Question on "Width of all Compressive Struts" of "Hammer STM"

    Hi, Dear all, In the "Hammer STM" dialogue, "Width of all Compressive Struts" is a required input. Could you please let me know what exactly it is? Please have a look at the attached picture first (from AASHTO LRFD 2014). Question 1: In picture…

  • How does one filter Analysis Results so that we can look at limited nodes/members results?

    RC-PIER provides the option to select specific member or node and force type to be displayed in the Analysis Window. To select the desired location and force, click Filter button. If filter is not selected, program displays results for all members.

  • Questions on Auto Generation Live Load Option 3

    Recently I am working on a transition bent which is a multi-column bent. The approaching span is simple span, and the main span is continuous-three-span. I am considering using the 3rd option for live load auto generation since the first two options …

  • RC Pier - Two Column Combined Footing Design

    The flexure check location in X direction is from one edge to the other edge. I don't know why there is As_req at the edge of the footing. I am new to footing design. Some one helps please~ THX

  • RCPier crashes on open

    I am using Leap Bridge Enterprise v14.00.00.09 in a Win7 environment. When I open the Geomath and Conspan modules, they work fine. When I open RCPier, it gets to a screen which says "Loading Project File" and then crashes, and it sometimes gives me a…

  • RC Pier - Lateral Pile Resistance

    How does RC Pier calculate the lateral pile resistance for battered piles? Thanks.

  • RC Pier - EV & EH loads

    I am designing an abutment using RC Pier. Under the Loads tab, I input/generate EV & EH loads. However, when I run an analysis and review the load combinations the vertical or horizontal earth loads are all "0". It appears that these loads are being applied…

  • LEAP RC-Pier Rotated Column on Pile Footing

    We are working a substructure design in which, due to the geometry of the roadway, it may be necessary to have the column rotated at an angle from the orientation of the pile footing on which it sits. In the past we've had to handle this via calculation…

  • RC Pier - Pier Wall with Cap

    I'm desiging a pier wall with a cap on top. The wall is about 2'-6" wide and the cap is 4'-6" wide (side view). The "Wall Pier" option does not allow a cap. The "Multi-Column" option requires a minimum of two-columns. I've input two wall columns but the…

  • Live Loads in RC-Pier

    I noticed my live loads were larger when I auto-generated them in RC-Pier than compared to when I imported them from Conspan. Is there a reason for this? This yields a more conservative pier design, but is it accurate? Thanks.

  • Load Factor applied to self weight

    In RC Pier, is it possible to apply a load factor to the self weight of concrete (for cap self weight in particular)?
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