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PLAXIS Is The Most Used Software For Geotechnical

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PLAXIS

PLAXIS 2D is The most used software for geotech applications


PLAXIS 2D is a powerful and user friendly finite element package intended for two-dimensional analysis of deformation and stability in geotechnical engineering and rock mechanics. PLAXIS is used worldwide by top engineering companies and institutions in the civil and geotechnical engineering industry. Applications range from excavations, embankments, and foundations to tunneling, mining and reservoir geomechanics.
One package, many applications
PLAXIS is equipped with a broad range of advanced features to model a diverse range of geotechnical problems, all from within a single integrated software package.
The most efficient tool for geotechnical modelling
PLAXIS uses predefined structural elements and loading types in a CAD-like environment. This empowers the user with fast and efficient model creation, allowing more time to interpret the results.

Why Choose

PLAXIS

Architectural Design

Collaboration

Manufacturing

Documentation

Framing & Detailing

Truss Design & Engineering

PLAXIS 3D is the most easy and robust tool  to model complex geometry of soil and structures.

PLAXIS 3D is a powerful and user friendly finite element package intended for three-dimensional analysis of deformation and stability in geotechnical engineering and rock mechanics. PLAXIS is used worldwide by top engineering companies and institutions in the civil and geotechnical engineering industry. Applications range from excavations, embankments and foundations to tunnelling, mining and reservoir geomechanics.

The most advanced tool on the market

PLAXIS 3D has advanced features to tackle modelling challenges in the most complex geotechnical projects, that cannot be solved with PLAXIS 2D.

Complex modelling made easy

Finite element modelling in full 3D has never been easier with a range of CAD-like drawing tools and extrude, intersect, combine and array operations. It’s almost like sculpting.

Unique Features

Costs below 2500$ per year
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Gantry frames with steel scissors and rolled I profiles
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Reinforced concrete and steel column systems
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Solve together with singular foundations.
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While performing cost analysis, this can calculate the amount and cost of paint to be used, as well as the surface area to be painted.
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By calculating the quantity of welding, the required labor force and cost as well as the quantity of steel and reinforced concrete structural elements, it can help you to make accurate quotations with realistic cost analysis and prepare business plans.
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Comosys

Analyses
Element Library
Supershell & Automatic Meshing
Loading
Foundations Analyses
General Purpose Finite Element Analysis
Post Processing
International Design Codes
Flexible Design Scenarios
Design Parameter Overrides
Intelligent Design Combo Generation
Design Evaluation
Correct Calculation of K-Factors
Deflection Checks
Special Design Checks
Color Coded Design Output and Easy to Use Output Files
Response Spectrum Analysis Combinations
General Modeling Capabilities
Extensive Connection Library
Complex Details
Comclash Technology
Auto Adjust
IntelliConnect & Intelliclone
Ancillary Steelwork
Automatic Drawings & Lists
General Modeling Capabilities
Modeling of Formwork Elements
Secondary Concrete Modeling
Embedded Steel Modeling
Generalized Anchor Bolt Modeling
Concrete and Formwork Material Take-Off
Embedded Steel Drawings
Formwork Drawings
Surface Rebar-Tracer Technology
Specific Template Macros
Automatic Numbering
Operations on Surface Bars
Template Rebar Drawings
General Rebar Drawings
Model Based – Specification Driven
Cable Tray & Raceway Modeling
Support Modeling
Cable Routing & Cable Lists
Consumer Modeling
Material Take-Off
Electrical Panels
Automatic Plans, Sections, and 3D Views
Shell Plates Modeling
Base Plates Modeling
Roof Plates Modeling
Nozzle and Manhole Modeling
Ladder Modeling
Foundation Modeling
Manual Modeling
Production of Shop Drawings
Automatic Material Take-Off
Adding Views
Taking Sections
Dimensions
Frame, Plate, Bolt, and Weld Annotations
REBAR Annotaions
Material Take-Off
Insertion of Special CAD Details
Export to Popular CAD Formats
Drawing Manager
Automatically Produce Drawings – Steel Shop drawings (Assembly drawings), Steel single-part drawings, Concrete rebar template drawings, Tank detail drawings
Manually Produce Drawings – Steel General Arrangement drawings, Concrete Formwork drawings

Why is COMOSYS different?

PLAXIS 2D
PLAXIS 2D Advanced
PLAXIS 2D Ultimate

Consolidation deformation calculation type

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Dynamic deformation calculation type

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Dynamic with consolidation deformation calculation type

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Earth Gradient thermal pressure calculation type

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Field Stress initial calculation type

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Flow Only initial calculation type

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Fully coupled flow-deformation calculation type

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Gravity Loading initial calculation type

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Ignore Temperature thermal pressure calculation type

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K0 Procedure initial calculation type

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Phreatic Level pore pressure calculation type

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Plastic deformation calculation type

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Safety deformation calculation type

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Steady-State Groundwater Flow pore pressure calculation type

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Steady-State Thermal Flow thermal pressure calculation type

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Transient Groundwater Flow pore pressure calculation type

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Transient Thermal Flow thermal pressure calculation type

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Use Pore Pressures from Previous Phase pore pressure calculation type

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Use temperatures from Previous Phase thermal pressure calculation type

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Automatic geotechnical model generation from/by OpenTunnel Designer 

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CAD import and export

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Generate stratigraphy from imported CPT logs

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Import Leapfrog cross sections from Seequent Central

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PLAXIS 2D to 3D converter

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ProjectWise integration, loading from and saving to ProjectWise server

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Remote scripting for input, output, and SoilTest

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Concrete

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Hardening soil

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Hardening soil small strain stiffness

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Hoek-Brown, with parameter guide

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Jointed Rock Model

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Linear Elastic

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Modified Cam-Clay

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Mohr-Coulomb

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NGI-ADP

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Sekiguchi-Ohta (inviscid)

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Sekiguchi-Ohta (viscid)

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Soft soil

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Soft soil creep

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UBC3D-PLM (liquefaction)

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UDCAM-S and cyclic accumulation tool

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Barcelona Basic Model

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Clay and Sand model (CASM)

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Creep-SCLAY1S

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Fluid

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Frozen and Unfrozen Soil

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Generalised Hardening Soil

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Hoek-Brown with Softening (strength softening and GSI softening models)

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Hypoplastic Model with Inter-Granular Strain

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Isotropic Jointed Rock with Mohr-Coulomb Failure Criterion

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Masonry

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N2PC-MCT Rock Creep (Norton-based double power creep with Mohr-Coulomb and tension cut-off failure surface)

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NorSand

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Overconsolidated Clay

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PM4SAND

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PM4SILT

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SHANSEP Mohr-Coulomb

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SHANSEP NGI-ADP

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Swelling rock

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Visco-Elastic Perfectly Plastic

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PLAXIS 3D
PLAXIS 3D Advanced
PLAXIS 3D Ultimate

Consolidation deformation calculation type

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Dynamic deformation calculation type

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Dynamic with consolidation deformation calculation type

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Field Stress initial calculation type

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Flow Only initial calculation type

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Fully coupled flow-deformation calculation type

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Gravity Loading initial calculation type

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K0 Procedure initial calculation type

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Phreatic Level pore pressure calculation type

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Plastic deformation calculation type

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Safety deformation calculation type

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Steady-State Groundwater Flow pore pressure calculation type

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checked
checked

Transient Groundwater Flow pore pressure calculation type

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Use Pore Pressures from Previous Phase pore pressure calculation type

checked
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checked

Automatic geotechnical model generation from/by OpenTunnel Designer 

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checked

CAD import and export

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checked

Generate stratigraphy from imported CPT logs

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Import Leapfrog surfaces from Seequent Central

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ProjectWise integration, loading from and saving to ProjectWise server

checked
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checked

Remote scripting for input, output, and SoilTest

checked
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checked

Concrete

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Hardening soil

checked
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checked

Hardening soil small strain stiffness

checked
checked
checked

Hoek-Brown, with parameter guide

checked
checked
checked

Jointed Rock Model

checked
checked
checked

Linear Elastic

checked
checked
checked

Modified Cam-Clay

checked
checked
checked

Mohr-Coulomb

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NGI-ADP

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Sekiguchi-Ohta (inviscid)

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checked

Sekiguchi-Ohta (viscid)

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Soft soil

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Soft soil creep

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UBC3D-PLM (liquefaction)

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UDCAM-S and cyclic accumulation tool

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Barcelona Basic Model

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Clay and Sand model (CASM)

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Creep-SCLAY1S

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Fluid

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Generalised Hardening Soil

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Hoek-Brown with Softening (strength softening and GSI softening models)

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Hypoplastic Model with Inter-Granular Strain

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Isotropic Jointed Rock with Mohr-Coulomb Failure Criterion

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Masonry

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N2PC-MCT Rock Creep (Norton-based double power creep with Mohr-Coulomb and tension cut-off failure surface)

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NorSand

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Overconsolidated Clay

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SANISAND-MS

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SHANSEP Mohr-Coulomb

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SHANSEP NGI-ADP

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Swelling rock

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Visco-Elastic Perfectly Plastic

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Geotechnics

CESAR is a calculation software enabling modelling and analysis of geotechnical problems. Proven, powerful and user-friendly, it covers a wide scope of soil and rock mechanics applications (deformation, stability…). It is a valuable tool for geotechnical engineers for embankment, excavation, foundation or tunnel studies, and more.

Geotechnical Engineering Applications

CESAR is bundled with an extensive constitutive model library (linear and non-linear elasticity, Mohr-Coulomb, Hardening Soil, Cam-Clay…) relevant to the study of deformations and stresses in soil masses.

Consolidation analysis (coupling) allows the study of primary and secondary settlement of soil masses.

Finally, CESAR features the required calculation procedures in order to obtain safety coefficients in regards to stability (c-phi reduction procedure) or stresses (e.g. limit pressure search).

Failure mechanism of a slope after c-phi reduction (from Perau et al.)

Stability of a slope reinforced with nails

Bearing capacity a footing after limit pressure analysis

CESAR offers intuitive and comprehensive tools for simulating consecutive passes of embanking or excavation, integrating realistic construction stages. Numerous pre-defined elements are available to model structures and their interaction with the soil mass, or the reinforcement of soil masses (anchors, geogrids, bolts…).

These tools enable geotechnical engineers to predict ground movements induced by and endured throughout construction.

Model of retaining wall with anchors

Excavation supported by a braced sheeting wall
 

CESAR is bundled with the required tools for modelling the water table as a mechanical load. The user can also perform independent hydrogeological calculations: transient and steady state flows, in saturated or unsaturated soils (van Genuchten and Gardner models or user-defined saturation curves).

Thus, the user is able to model complex hydrogeologic problems with varying water levels and flow conditions such as dewatering or groundwater control.

Dewatering inside an excavation

Flow in a dike with drainage system

Customer Projects

mkaPEB Features

STRUCTURAL MODELLING ELEMENTS

LOADING

ANALYSIS

RESULTS OUTPUT

CONCRETE DESIGN

STEEL DESIGN

Tunnels

CESAR is a powerful geotechnical software for modeling and analyzing tunnel projects. It supports conventional excavation methods like NATM, tunnel boring machines (TBM), cut-and-cover construction, and ground support design. With its detailed tools for modeling excavation sequences, soil-structure interactions, and reinforcement strategies, CESAR is essential for ensuring stability and minimizing settlements in tunnel engineering

Tunnel Applications

The user will easily produce tunnel design projects by the Conventional Method (or New Austrian Tunneling Method, NATM, or Sequential Excavation Method, SEM). The complete set of CAD tools in CESAR 2D and CESAR 3D allows unlimited types of sketches of the tunnel. The detailed sequence of ground excavation and the activation of the structural components of the final project (shotcrete, final lining and station infrastructure) can be modelled using specific and intuitive tools (excavation forces, long-term effects on the concrete…).

Design of a tunnel section with NATM

Vertical displacements induced by 3D tunnelling in urban area

CESAR (2D and 3D) is bundled with the required tools for modelling the complex sequence of the tunnel boring machine excavation.
  • Pressure at the front,
  • Controlled excavation forces for TBM shield conicity,
  • Variable pressure for the radial grouting,
  • Modelling of the lining segments with shell or volume elements.
All these tools help the tunnel engineer for the calculation of the settlement trough and the control of the volume loss.

Modelling of the TBM excavation process

Bi-tube tunnel (vertical displacements)

This method is declined in Conventional Bottom-Up Construction or in Top-Down Construction. CESAR 2D and CESAR 3D provides the tools and analysis components for the accurate modelling of the construction stages: retaining walls, struts, the various slabs and final backfill. With structural elements (beams and bars, shells) and adapted interface elements (joints), the tunnel engineer will analyse properly the soil-structure interaction.

Cut-and-cover construction of a metro station

Covered trench analysis

In poor ground conditions or in urban projects, the design of the tunnel requires the soils reinforcement in order to reduce the settlements. CESAR is equipped with a full set of elements (1D beams and bars) for the modelling of radial or front bolts, or pipe umbrellas. User can also use specific elements with friction law for a sharp modelling of the soil-reinforcement behaviour.

Bolted tunnel

Pipe umbrella and front reinforcement

Structural Expertise

CESAR is equipped with standard features for structural analysis: beams and shell elements, springs and other links, various types of loads, static and dynamic analysis algorithms….

CESAR proposes several constitutive models dedicated to the modelling of concrete (parabolic criterion, Willam-Warnke…) or masonry (homogenization of Zucchini…). In particular, damage models are integrated for the evaluation of durability of structures: Mazars, Faria, Oliver…

In addition, CESAR is suited to analyse the concrete behaviour in service or ultimate conditions. Specific modules, named TEXO & MEXO, have also been developed to enable modelling of the early age concrete behaviour. TEXO serves to compute both the temperature and degree of hydration fields, used to express the material’s state of hardening. These results are then input in the MEXO module in order to determine the displacement and stress fields, in the aim of predicting the risk of cracking at early age.

As such, CESAR can contribute to the understanding of the overall behaviour of a project and to the expertise of failure mechanisms.

IDEA StatiCa Connection

Any Geometry and Loading

Design steel connections of any type or complexity. Start from scratch or import connections directly from your CAD or FEA software. Apply simplified or complex loading, visualize the behavior, and generate connection sketches and detailed reports. Connections include:

  • Steel moment connections in steel structures, shear and axial connections, including seismic 
  • Beam to beam, beam to column, column to column, or column to base plate connections

The Worlds Largest Database of Steel Connections

Connection Library is a cloud application that provides you with 700,000+ ideas for your connection designs from all around the world.

Browse examples matching your project, find & download the best suitable model for your project in 4 steps! 

  1. Define geometry
  2. Browse the database
  3. Sign in or create account
  4. Explore & Download the model

Bolted and welded connections, anchoring
Stress&strain analysis of steel sections and plates
Stiffness analysis
Buckling analysis (local stability)
Capacity design (seismicity)
Fatigue analysis
Joint design resistance
Fire design
Horizontal tying resistance
Rolled sections
Welded sections
Thin-walled sections
General cross-section
Cut, stiffener, rib, stub
End plate, connecting plate, gusset plate
Angles
Anchoring
Steel-to-timber connections with gusset plate
Timber-to-timber connections with gusset plate
250+ editable templates
Pre-design
Connection browser – clever templates
Connection browser – company set in the cloud
Report
Bill of material
Drawings of plates
User-defined views and cuts

IDEA StatiCa Member

No More Estimates of Buckling Lengths and Connection Stiffness

Using the easy-to-use interactive application, perform advanced analysis of members modeled in 3D by shell elements with a detailed connection model with all stiffeners, bolts, openings, etc. Accurately simulate the behavior of your structures and members and use code-based geometrically and materially nonlinear analysis with imperfection (GMNIA) for final checks.

Rolled sections
Welded sections
Thin-walled sections
General cross-section
Cut
Stiffener
Stiffening member
Opening
Stress/strain analysis (MNA)
Stability analysis (LBA)
Geometrically nonlinear analysis with imperfections (GMNIA)
Fire resistance
Report

Checkbot

Steel Design without Re-Entry

Design any steel connection or member without re-entering data you already have in another application. Import and synchronize all your connections and members and slash design time by up to 80%!

Use your FEA Model

Use your CAD Model

Share Connections

Links with FEA software – SAP 2000, ETABS, Robot Structural Analysis, STAAD PRO, RAM Structural System, STRAP, Tekla Structural Designer, Scia Engineer, RFEM/RSTAB. AXIS VM and others
Links with CAD software – Tekla Structures, Advance Steel, Revit
Automatically update models in IDEA StatiCa based on changes in the FEA/CAD application
IDEA StatiCa API, IDEA Open Model (IOM), support through Github

Features List

IDEA StatiCa Detail

Get your report in 3 simple steps
Create a model
  • Create any shape you need
  • Import from DXF
  • Add openings, hangers, supports
  • Model real reinforcement
  • Define loads and combinations
Run the calculation
  • Uses an advanced nonlinear FEA model called CSFM, enabling sophisticated code-based design
  • Concrete modeled in compression only
  • All rebars taken into account
  • Considers bonds between rebars and concrete
  • Tension stiffening and compression softening effects included
Get outputs
  • Go through the results
  • Create a detailed or simplified report
  • Export the model to DXF
  • Generate a bill of materials

Details: dapped ends, openings, hangings, frame joints
Walls, deep beams, corbels, diaphragms, pier caps, general detail
Geometry and reinforcement import from DXF file
Prestressing – pre-tensioned, post-tensioned detail
Imperial rounding
Realistic reinforcement layouts
Topology optimization
ULS checks – stress and strain in concrete, reinforcement, anchorage stress
SLS checks – crack width, crack directions, stress limitation, deflection
Limited stress check
Long-term losses
Support of regional code ANSI/AISC 360-22
Customized report including export to PDF, Word
2D drawings export
Bill of material

RCS Application

Get your report in 4 simple steps
Define cross-section
  • Use templates
  • Import shape from DXF
  • Create own template
Apply loads
  • Apply all internal forces
  • Import forces from Excel 
  • Load model from your FEA
Specify reinforcement
  • Use smart templates for common cross-sections
  • Edit or add any other rebar or tendon
  • Create your own templates
Get results
  • Quickly perform overall checks
  • Go through them
  • Generate the report
  • Export the reinforced section to DXF

Topology optimization
ULS checks – stress and strain in concrete, reinforcement, anchorage stress
SLS checks – crack width, crack directions, stress limitation, deflection
Limited stress check
Long-term losses
Support of regional code ANSI/AISC 360-22
ULS – Capacity N-M-M, Shear, Torsion, Interaction, Response N-M-M
SLS – Stress limitation, crack width
Flexural slenderness, detailing, stiffnesses, M-N-k diagram
Fire resistance
Customized report including export to PDF, Word

IDEA StatiCa Beam

Reinforced concrete beam
Pre-tensioned and post-tensioned prestressed beam (including combination)
Beam loaded in 3D
Continuous composite beam
Non-linear deflection
Bridge load rating
Tendon shape design, prestressing losses, prestressing effects
Construction stages, time dependent analysis (TDA)
Cross-section code-checks for ULS, SLS – export to the RCS application
Deflection check – short term, long term
Non-linear creep
Customized report including export to PDF, Word

IDEA StatiCa Member

General beams, columns, frames, tepered members
Linear analysis, Materialy non-linear analysis (MNA)
Linear buckling analysis (LBA)
Geometricaly and materialy non-linear analysis with imperfections (GMNIA)
Slender columns analysis
Thermal analysis of concrete members
Customized report including export to PDF, Word

BIM links

RFEM/RSTAB. AXIS VM, SAP 2000, Robot Structural Analysis, ETABS, STAAD PRO
Midas Civil/GEN, AXIS VM, SCIA Engineer
Advance Design, AXIS VM, RFEM/RSTAB, Robot Structural Analysis, SAP 2000

National codes and languages

EN 1992-1-1, EN 1992-2, EN 1992-3; national annexes CZ, SK, AT, BE, DE, UK, NL, PL, SG, SIA 262, and ACI
English, German, French, French, Spanish, Polish, Hungarian, Russian, Dutch, Italian, Romanian, Spanish, Chinese, Czech, Slovak

Features

mkaPEB has a wide range of template types defined for portal frame and steel roof truss systems with variable cross-sections. All the features of the roof systems in these templates are parametric. If needed, they can be defined side by side and at different levels.

Snow Loads

Recognisıng the building structure and understanding the regional snow loads within the areas where snow accumulates on the roof, dependent on the load standards selected by the user.

It automatically loads varying loads according to the regions where the roof purlins are located.

When an engineer makes a change in the dimensions and shape of the structure, the most time-consuming load analysis is done in less than 1 second.

Wind Loads

Wind loads are the most complex of loads acting on the structure. The value of the load on the roof and facades varies regionally.

mkaPEB is familiar with the structure and knows the Eurocode, ASCE-07, IS-875 standards, automatically performs this complex calculation when the structure properties change.

The calculation which has been made by the software is automatically transferred to the roof and facade purlins and the main carrier system.

Crane Loads

For overhead crane loads, the overhead crane runway beam should be designed first. mkaPEB calculates this according to the rules given in AISC-Design Guide 7 and EN-1991-3 and automatically assigns loads to the columns.

Earthquake Loads

TDY-2018, AISC-341-16, Eurocode-8, EAK-2000 (Greece), IS 1893 Earthquake regulations are implemented in mkaPEB.

Tension-only member design for wall and roof bracings.

Elements on roofs and facades, especially central braces, buckle under compression loads due to their slenderness. mkaPEB can identify which element will buckle under which load and analyzes the system so that it is only supported by the tension-only members. Whilst making this analysis, it takes into account the thermal effects of Summer-Winter temperature differences and wind and earthquake loads coming from the facade. After solving each one separately, it superposes and controls the element strengths according to this last situation.

By doing this, mkaPEB was able to use tension-only rods in the braces.

Design of main members

Detailed design will be carried out according to various international codes.

Connections Design

mkaPEB steel truss automatically performs joint calculations for many joints on roofs and facades.

It resizes the connection plates according to the welding lengths calculated in the steel shears. Thus, the processing time is shortened and the possibility of error is eliminated.

If the selected steel structure design regulation is AISC-360, Connections is based on AISC-360-16 and design guides published by AISC.

If Eurocode 3 is selected, the strength of the connections is checked based on EN-1993-1-8.

The design of other combinations can be done after static calculations are made from the combination design page.

The properties of the combination can be changed parametrically.

The distances of the bolts to the edges and the limits of the welds are checked.

While calculating the strength of the connection, the changes can be followed on the 3D model.

2D technical drawing of the connection can also be taken.

Pad footing design

In our single-story warehouse-hangar type structure, the columns are under the effect of one-way bending. Especially when calculating foundations in structures with overhead cranes or under the influence of high wind force – Soil capacity It is thought that geotechnical controls should be done in addition to the reinforcement calculation.

The general bearing capacity formula recommended by Hansen Vesic in Eurocode -7 is used. Our aim with mkaPEB is to make all the elements of the steel structure, from the roof to the timeline, resistant to disaster situations.

Detailed design reports

Today, many structure analysis software gives their calculations within tables. And they show the accuracy of their calculations with verification solutions. This view was not adopted in mkaPEB. For this reason, the load calculations are given with detailed calculation reports for the design of steel structural elements and connections. The engineer can follow the reference, formulas, and process steps of the calculation.

We came to the first question asked by the engineer or the investor who prepared the proposal or made the analysis. What is the cost of this structure we calculated?

mkaPEB can extract all the material lists used in the building. The user can change the unit prices of the materials. Amended new unit prices are saved for future projects. Prices can be updated automatically according to the daily changing exchange rates. The ratio of scrap quantities for the offer can be changed from the table. On the table, the total used steel, m2 used steel, m2 unit cost, and the total cost can be examined.

mkaPEB prepares 3D solid model along with connections, which practically represent real-life structure.

DSTV-NC files for CNC machines

Today, CNC machines are widely used in the manufacture of steel structures. The biggest feature of 3D modeling software such as Tekla, Advance Steel, Bocad, SDS/2 is that it can produce DSTV-NC files. This issue was primarily targeted when mkaPEB was started to be developed

DRAWINGS – Footing plan

DRAWINGS – Anchor and base plate details

DRAWINGS – General arrangement

DRAWINGS – Assembly

DRAWINGS – Parts

Export model to Tekla with macros

Design Codes

EN-1991-1-3 (Snow Load + 16 EU-National Annexes)
EN-1991-1-4 (Wind Load + 16 EU-National Annexes)
EN-1991-1-5 Temperature Load
EN-1991-3: Crane Loads
EN-1992-1 (RC Column Design)
EN-1993-1-1 (Hot rolled Steel Design)
EN-1993-1-3 (Cold Formed Steel Design for purlins and girts)
EN-1993-1-8 (Steel Connection Design)
EN-1998-1 (Eearhquake Loads + 16 EU-National Annexes)
ASCE-07-16/22 (Wind Loads – Chapter27, Chapter28, Chapter30)
ASCE-07-16/22 (Snow Loads)
ASCE-07-16/22 (Eearthquake Loads)
AISC-Desgn Guide 7: Crane Loads
AISC-360-10/16 (Hot Rolled Steel Member)
AISC-341 (Seismic Design for Steel Members)
AISI-S100-16 (Coming soon: Cold Formed Steel Design for purlins and girts)
ACI-318-2014 (RC Column Design)
AISC-358 (Steel Connection Design)
IS-875-1-3 (Wind Loads)
IS-875-1-4 (Snow Loads)
IS-1893 (Eearhquake Loads)
ACI-318 (RC Column Design)
IS-800 ( Hot Rolled Steel Design)
EN-1993-1-3 (Cold Formed Steel Design for purlins and girts)
AISC-358 (Steel Connection Design)
TS–EN–1991–1–3 (Snow loads)
TS–EN–1991–1–4 (Wind loads)
TS–EN–1991–1–5 Thermal effects
AISC-Desgn Guide 7: Crane Loads
2018 Earthquake Code
2016 Steel Structures Code
2016 AISC-358 Steel Connection Calculations

Earthquake Codes

IS 1893 : 2016 Indian Standard: Criteria for Earthquake Resistant Design of Structures
GB50011: 2010 Chineese Standard: Code for Seismic Design of Buildings
SBC-301: 2016 Saudi Arabia: Seismic Provisions in the Saudi Building Code
DUBAI: 2013 United Arab Emirates: Seismic Design Code For Dubai, Dubai Municipality
BNBC: 2020 Seismic Provisions in the Bangladesh National Building Code
BCP: 2021 Seismic Provisions in the Building Code of Pakistan
NSCP: 2010 Seismic Provisions in the National Structural Code of the Philippines
SI-413: 2019 Israeli Standard: Design of Structures for Earthquake Resistance
TAIWAN:2019 Seismic Force Requirements for Buildings in Taiwan
MALAYSIA: EC-8 NA Malaysia National Annex to MS EN 1998
SINGAPORE: EC-8 NA Singapore National Annex to SS EN 1998
TCXDVN 375-2006 Vietnamese Earthquake Design Code (Based on EN-1998)
ASCE/SEI 7-16 USA Standard: Minimum Design Loads For Buildings And Other Structures
ANSI/AISC 341-16 USA Standard: Seismic Provisions for Structural Steel Buildings
NBCC-2020 Canada: Seismic Provisions in the National Building Code of Canada
INPRESS-CIRCOS-103 Argentinean Standards for Earthquake Resistant Constructions
NDBS: 2006 Bolivia: Norma Boliviana de Diseño Sísmico (2006)
NCH433: 2012 Chile: Chilean seismic code
NSR-10 Colombia: Reglamento colombiano de construcción sismo resistente
CRSC- 2010 Costa Rica: Código sísmico de Costa Rica 2010
MOC-2008 Mexico: Normas Técnicas Complementarias para Diseño por Sismo
ECP‑201: 2012 Egyptian Code of Practice for Calculation of Loads and Forces in Structures and Buildings (Based on EN-1998)
RPA-99: 2003 Algerian Earthquake Resistant Regulations
RPS-2011 Morocco: D’utilisation Du Reglement De Construction Parasismique
SANS-10163-4 South Africa: Seismic actions and general requirements for buildings (Based on EN-1998)

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EN (Eurocode), AISC (USA), AS (Australia), CISC (Canada), SNiP (Russia), GB (China), IS (India), HKG (Hong Kong)
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Frequently Ask Questions

PLAXIS 2D is a special purpose two-dimensional finite element program used to perform deformation, stability and flow analysis for various types of geotechnical applications.

PLAXIS stands for Plain strain and Axial symmetry. It is used for the analysis of deformation, stability and groundwater flow in geotechnical engineering.

Interfaces are joint elements to be added to plates or geogrids to allow for a proper modelling of soil-structure interaction. Interfaces may be used to simulate, for example, the thin zone of intensely shearing material at the contact between a plate and the surrounding soil. Interfaces can be created next to plate or geogrid elements or between two soil polygons.

GSE stands for Geotechnical SELECT entitlement. It is an is an additional subscription system on top of the professional software licenses. Geotechnical SELECT subscribers benefit from the latest releases of their PLAXIS software maintenance and support from PLAXIS technical experts. In addition, some features of PLAXIS programs are only available to Geotechnical SELECT subscribers.

GSE stands for Geotechnical SELECT entitlement. It is an is an additional subscription system on top of the professional software licenses. Geotechnical SELECT subscribers benefit from the latest releases of their PLAXIS software maintenance and support from PLAXIS technical experts. In addition, some features of PLAXIS programs are only available to Geotechnical SELECT subscribers.

Positive pore stresses may also occur as a result of unloading in undrained materials. However, there is a limit to the amount of positive pore stresses (pore water tension) that can occur, which is the cavitation stress. This limit can be taken into account in PLAXIS 2D by selecting the Cavitation cut-off option and setting the cavitation stress.

One 15-node element can be thought of a composition of four 6-node elements, since the total number of nodes and stress points is equal. However, one 15-node element is more powerful than four 6-node elements as the former provides a fourth order interpolation for displacements and the numerical integration involves twelve Gauss points (stress points), whereas the latter provides a second order interpolation for displacements and the numerical integration involves three Gauss points.

In some practical problems, like the soil surface near a trench in clay sometimes shows tensile cracks which indicates that soil may also fail in tension instead of in shear. Such behaviour can be included in a PLAXIS analysis by selecting the tension cut-off and entering the tensile strength. Tension cut-off points are generally the visualization of all stress points that exceeds the entered value.

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