4/27/2021 0 Comments Plaxis 3D Foundation
Calculation of a multi-storey building with a slab foundation (PLAXIS 3D and LIRA 10) PLAXIS 3D model (left) and LIRA 10 model (right) PLAXIS 3D model (left) and LIRA 10 model (right) Foundation slab deformations in PLAXIS 3D (left) and LIRA 10 (right) Bending moments in foundation slab in PLAXIS 3D (left) and LIRA 10 (right) Video: Exporting LIRA 10 model to PLAXIS 3D Note that the YouTube auto-translated subtitles for your language can be shown using the settings button in the bottom right menu.The link with PLAXIS 3D is realized for the next finite elements software packages: ETABS, SAP2000, CSiBridge, SCAD, LIRA, Autodesk Robot and LIRA-SAPR.
![]() Learn more about SELECT (VIP) ). How is a calculation model created As a calculation model, the PSI allows to use the existing model created in software packages for structural analysis. Plaxis 3D Foundation Full Software PackageHow is the calculation done The program has two approaches to soil-structure coupled analysis: Full software package model or its part is exported to PLAXIS 3D. After PLAXIS 3D calculation coefficients of soil reaction and pile stiffness are updated in software package model. The principle of the program when using export Iterative approach. Plaxis 3D Foundation Full Software PackageThis method allows to export not the full software package model, but only its structure spot. Structure spot is a set of points and surfaces in which structure at software package contacts the soil at PLAXIS 3D. The influence of a structure on the soil is modeled by the support nodes offsets. During the iterative process, based on the given support nodes offsets, the coefficients of soil reaction, pile stiffness and additional loads are calculated and returned to the software package model. This approach is convenient to use for large models or for modeling specific elements and loads. The principle of the program when using iterative approach What is the result of the soil-structure coupled analysis The result of the soil-structure coupled analysis is the stress-strain state of the structures and the soils, obtained as a result of this analysis. ![]() In this case, the rigidity of the upper structure is not taken into account. An example would be a brick and a sheet of paper placed on sand. If you apply pressure to both, the mark on the sand will be radically different. The effect of rigidity of building on foundation slab deformations Request for the PLAXIS-Structure Interaction Why should I use PLAXIS 3D when I can use the calculator of coefficients of soil reaction in software packages for structural analysis PSI allows user to: take into account the non-linear soil behavior when using models such as Mohr-Coulomb, Hardening Soil, Hardening Soil Small Strain Stiffness, Soft Soil Creep, etc.; set complex engineering and geological conditions; take into account the influence of adjacent structures on each other; take into account the stages of construction; and other factors. For such situations, the result obtained in the PSI can radically differ from the result obtained by using simplified methods. Are there real examples of application of the PSI Yes, there are many examples. Below are both examples of using the PSI in real projects and test tasks. Calculation of a multi-storey monolithic building with a pile foundation (PLAXIS 3D and ETABS) PLAXIS 3D model (left) and ETABS model (right) PLAXIS 3D model (left) and ETABS model (right) PLAXIS 3D model (left) and ETABS model (right) Foundation slab deformations in PLAXIS 3D (left) and ETABS (right) Bending moments in foundation slab in PLAXIS 3D (left) and ETABS (right) Video: Exporting ETABS model to PLAXIS 3D Note that the YouTube auto-translated subtitles for your language can be shown using the settings button in the bottom right menu. Calculation of a multi-storey building with a slab foundation (PLAXIS 3D and LIRA-SAPR) PLAXIS 3D model (left) and LIRA-SAPR model (right) PLAXIS 3D model (left) and LIRA-SAPR model (right) Bending moments in foundation slab in PLAXIS 3D (left) and LIRA-SAPR (right) Foundation slab deformations in PLAXIS 3D (left) and LIRA-SAPR (right) Video: Exporting LIRA-SAPR model to PLAXIS 3D Note that the YouTube auto-translated subtitles for your language can be shown using the settings button in the bottom right menu. Calculation of a multi-storey monolithic building with a slab foundation (PLAXIS 3D and SCAD) PLAXIS 3D model (left) and SCAD model (right) PLAXIS 3D model (left) and SCAD model (right) Foundation slab deformations in PLAXIS 3D (left) and SCAD (right) Bending moments in foundation slab in PLAXIS 3D (left) and SCAD (right) Video: Exporting SCAD model to PLAXIS 3D Note that the YouTube auto-translated subtitles for your language can be shown using the settings button in the bottom right menu.
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