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  • Material Property changes for Python scripting

    Application PLAXIS 2D, PLAXIS 3D Version PLAXIS 2D CONNECT Edition V22 PLAXIS 3D CONNECT Edition V22 PLAXIS 2D 2023 PLAXIS 3D 2023 Date created May 25, 2022 Date modified Aug 29, 2023 This page gives an overview of…

  • Structural Forces Tunnel

    Dear Ladies and Gentlemen! I have tried to evaluate the structural forces in a tunnel with the help of the automated tool from plaxis (Structural Forces in Volume Plate), This works pretty good for the large areas of the tunnel, but there are still…

  • Interpreting interface results in tables

    Application PLAXIS 2D PLAXIS 3D Version PLAXIS 2D PLAXIS 3D Date created 25 August 2023 Date modified 25 August 2023 Original author Vasileios Basas - Bentley Technical Support Group When viewing nodal interface…

  • UDCAM-S Model_Monopiles

    Hello Everyone. I am working on a design of monopiles under cyclic loading condition. I am using UDCAM-S model. It is clearly mentioned that this model can be used in offshore structures that experience storm loadings. I am aware that using this…

  • SANISAND-MS - PLAXIS UDSM

    Application PLAXIS 3D Version PLAXIS 2023.2 Date created 08 Aug 2023 Date modified 08 Aug 2023 SANISAND-MS (Liu et al., 2019) is a bounding surface plasticity constitutive model particularly suitable for reproducing…

  • Material replacement and fixed displacement

    Hello， If in phase 1, there are two layers of soil in the model, but in phase 2, I need to replace the material of the upper soil with concrete, and at the same time, at this stage, I do not want this layer of concrete to cause any pressure on the lower…

  • How to model impact load in Plaxis 3d over a raft just like a gentle drop hammer?

    Hello Everyone, I am working on Plaxis 3D to model a Combined pile raft system. I want to model pile integrity test, for which i need to give an impact on the raft using a stack hammer. So, how to model this impact load on the raft in Plaxis which is…

  • PLAXIS 3D Tutorial 05: Phased excavation of a shield tunnel

    Generally speaking, after the tail of the shield machine is completely passed, there will be continuous consolidation settlement on the surface, that is, the settlement value at the same point will gradually increase. However, in the case tutorial, I…

  • How to think plaxis 3d results

    Hi Everyone When we analysis in Plaxis2d we see the results of model moment is kNm/m. we understand that the results are unit meter. Finally we multiply the results excavation step length in tunnel. When we analyse same model in plaxis 3d, we see…

  • Reference point for rigid body in PLAXIS 3D

    Hi, I have an annulus modelled as a rigid body that is resting on the surface of the ground. Is it correct to set the geometric centre of the annulus as the reference point (in this case, the geometric centre of the annulus is not on the rigid body itself…

  • PLAXIS 3D 2023.2 Release notes

    New in PLAXIS 3D 2023.2.1 Release: October 2023 PLAXIS 3D 2023.2.1 (23.2.1.1079), superseding PLAXIS 3D 2023.2.0 (23.2.0.1059), contains the following improvements and updates compared to PLAXIS 3D 2023.1 : Compatibility notes : Files created…

  • PLAXIS Output Viewer 2023.2 Release notes

    New in PLAXIS 2D/3D Output Viewer 2023.2.1 Release: October 2023 The PLAXIS 2D/3D Output Viewer Version 2023.2.1 contains the following improvements and updates compared to PLAXIS Output Viewer 2023.1 : PLAXIS 2D Output Viewer 2023.2.1 (23.2…

  • cannot assign geotechnical select entitlement to user

    we have a few select licenses for Plaxis 2d/3d, we also have a practitioner license for plaxis 3d. On the computer we have practitioner license, we used to have the geotechnical select entitlement. I was trying to set up group entitlement for some…

  • Plaxis 3D - Forces signal in plate elements

    Hi, the results for the vertical axial forces N1 in the Plaxis 3D model of a vertical large diameter shaft are shown in the following picture, as well as the deformed shape obtained for the plate elements and the indication of the axis orientation.…

  • Mstage vs displacement

    I’m interested in modeling a deep tunnel. When I activate the embedded beams rows, the Mstage remains constant but displacements continue to evolve.

  • Surface contraction and the reference point of grouting pressure

    Dear engineers In plaxis3D, 1. Regarding the tunnel surface contraction, I did not find a specific calculation formula in the official case. If I know the diameter of the cutter head of the shield machine is a, the diameter of the tail of the shield…

  • the release of stress

    In plaixs2d, the release of stress can be set when the tunnel is excavated. How to realize it in plaxis3D ? Thank you.

  • How to delete user water level in Plaxis 3D

    Hi all, After creating water level in Plaxis 3D (not BH water level), how can delete those if not required because I couldn't find any option to delete it? Thanks,

  • The clipped object Surface_6_1 has multiple primitive surfaces, but its local coordinates are defined differently: Surface_6

    Hi， The clipped object Surface_6_1 has multiple primitive surfaces, but its local coordinates are defined differently: Surface_6 How can I solve this problem, and why does this result in a rather strange calculation

  • User-defined interface materials

    Hi, The interaction between the structure and the soil can be selected to be related to the nearby soil layer or user-defined.When I use a custom interface element, if I extract the earth pressure value on the interface element at this time, whether…

  • mud interface

    Hi, How should I simulate the mud on the outside of the sinking wells to help sink? I know the Kn, Ks, C and φ of mud.If I establish an interface alone, no matter what constitutive model I use, I need to input E, but the mud does not have the so-called…

  • Sinking wells

    Hi, The main difference between the circular precast segmental sinking wells and the shield tunnel is that the segment of the wells will move downward and the segment of the lining will stay at a certain place of the tunnel. Therefore, I have a problem…

  • sinking wells

    Hi， The main difference between the circular precast segmental sinking wells and the shield tunnel is that the segment of the wells will move downward and the segment of the lining will stay at a certain place of the tunnel. Therefore, I have a problem…

  • plate element

    If the plate element is used to simulate the existing shield tunnel, the actual inner diameter of the tunnel is 5.9 and the outer diameter is 6.6. Should the radius of the plate element be set to 5.9 + 0.35 ?

  • Segment bolts

    Dear all At present, in a paper, I see that the author uses the solid element to model the tunnel lining, and seems to simulate the segment by adding the interface between the segment and the segment to divide a ring segment into several blocks. At…
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