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The 3D Suite package contains the programs 3DTunnel and 3DFoundation. These programs combine to form a 3D geotechnical finite element package especially designed for the three-dimensional analysis of deformation and stability in tunnel & foundation projects.

Geotechnical applications require advanced constitutive models for the simulation of the non-linear, time-dependent and anisotropic behaviour of soils and rocks. In addition, since soil is a multi-phase material, special procedures are required to deal with hydrostatic and non-hydrostatic pore pressures in the soil.

PLAXIS 3D Tunnel

Although the modelling of the soil itself is an important issue, many tunnel projects involve the modelling of structures and the interaction between the structures and the soil. PLAXIS 3D Tunnel is equipped with special features to deal with the numerous aspects of complex geotechnical structures. In this version new features have been added to the existing ones, including 3D consolidation, 3D groundwater flow and updated mesh.

PLAXIS 3D Foundation

PLAXIS 3D Foundation forms the interaction between an upper structure and the soil. Settlements depend on local soil conditions and on the construction method. Especially for pile-raft foundations there is an important interplay between the pile, the raft and the soil to support the forces from the upper structure. In this interplay deformations are a key factor. Such a situation can only be analysed effectively by means of three-dimensional finite element calculations in which proper models are incorporated to simulate soil behaviour and soil-structure interaction. The PLAXIS 3D Foundation program offers these facilities.