introduction to soilworks for practical design -...

Introduction to SoilWorks

for Practical Design

MIDAS Information Technology

Product Overview

About SoilWorks

Smart SoilWorks

Pre-Processing

Geometry Modeling

Properties

Mesh Generation

Analysis Types

Modules

Ground Module

Foundation Module

Slope Module

Rock Module

Soft Ground Module

Dynamic Module

Seepage Module

Project Applications

Index

Product Overview About SoilWorks

Smart SoilWorks

Geotechnical Solutions for Practical Design Product Overview

3/99

About SoilWorks


4/99

A New Paradigm for Geotechnical Engineering Solutions • SoilWorks is all-in-one 2D Finite Element Analysis & Analytical software for Structural and Geotechnical engineers. • Fully integrated Pre/Post and Solver

About SoilWorks

Slope

Ground

Soft Ground Foundation

Seepage Dynamic

Rock


5/99

Structural & Geotechnical

engineers

SoilWorks

About SoilWorks

Complete FEM Software Package

CAD based environment

Intuitive

Automation

Robust

Work Flow

Geometry Modeling Properties / Meshing / Loads / Boundaries

Analysis Post-Processing

Product Overview About SoilWorks

Smart SoilWorks


7/99

Smart SoilWorks

How is it fast?

• Addition of Innovative features • Reduced steps for engineers • Elimination of repetitive process • 7 SMART Automated Features for fast modeling, analysis and results extraction

Geometry Modeling

Meshing/Boundary

Analysis

Report


8/99

Smart SoilWorks

Generate (unstructured)

Auto-mesh for a closed domain

Generate structured mesh

for a closed domain

Auto Mesh Map Mesh Grid Mesh Pattern Mesh

SMART Mesh

Generate mesh for 2D elements by

pre-defined mesh pattern

Generate orthogonal mesh for a closed

domain using Quadrilateral and

Triangular Element

Easy to meshing No need for in-depth knowledge of FEM to Meshing


9/99

1. Smart Modeling CAD based Operating Environment

• Use a CAD file by ‘Copy & Paste’ function • CAD Command Line • Simple and convenient • Shortens modeling time

Smart SoilWorks


10/99

2. Smart Surface Auto-generation of Surfaces for enclosed domains

• Automatic Surface creation • Drag and Drop material properties

Smart SoilWorks


11/99

3. Smart Mesh Auto-generation of mesh

• No element size input is required • Quick and easy

Smart SoilWorks


12/99

4. Smart Support Auto-generation of boundary conditions

• Automatic boundary generation • Intuitive checking

Smart SoilWorks


13/99

5. Smart Technical Review Technical Review to prevent Analysis errors

• Check errors • Enhance analytical skills

Smart SoilWorks


14/99

6. Smart Analysis Robust Parametric Analysis Capability and Data interface between Modules

• Robust Parametric Analysis • Coupled Analysis

Smart SoilWorks


15/99

7. Smart Results Auto-generation of high quality reports

• High Quality report generation • Simplify work process • Increase Productivity

Smart SoilWorks


16/99

How is it Affordable ?

Smart SoilWorks

Cost Effective Training provided without

additional cost All in one software

7 modules without limitation


17/99

Why is it Fast, Easy and Affordable ?

Smart SoilWorks

Any Engineer can use

7-in-1 Software

Saves modeling & learning time Practical results Report generation

Requires only 1 software for all geotechnical work

Engineer : easy to use regardless of in-depth FEM knowledge Senior / Project engineer : easy to use for simple to detailed design works

7 Smart Features

Pre-Processing Geometry Modeling

Properties

Mesh Generation

Analysis Types

Pre-Processing Geotechnical Solutions for Practical Design

19/99

To use the function ‘Surface’, the bounding curves of an enclosed domain need to be hand-picked whereas, ‘Smart Surface’ automatically generates Surface for the enclosed domain.

CAD based geometry modeling Various Tools to create and edit geometry

Compatible with CAD

Compatible with CAD

Command Line

Modeling features

Geometry Modeling


Properties

Mesh Generation

Analysis Types


21/99

Properties

Easy to use constitutive models without FEA knowledge

Guide values for Mohr-Coulomb parameters

Various types of ground materials

User-defined material DB by excel format


22/99

Ground Slope Rock Soft Ground Foundation Seepage Dynamic

Elastic Ground Mohr-Coulomb (LEM)

Mohr-Coulomb Embankment Clay Seepage Elastic Ground

Mohr-Coulomb Elastic Ground Barton-Bandis Sand Sand Elastic Ground (Equivalent Linear)

von Mises Mohr-Coulomb Hoek-Brown Clay C phi Mohr-Coulomb

Tresca Generalized Hoek-Brown

Modified Cam Clay

Soft Rock

Hoek-Brown Power Curve Elastic Ground Hard Rock

Hyperbolic (Duncan-Chang)

Mohr-Coulomb

Drucker-Prager Sekiguchi Ohta (Elasto-plastic)

Sekiguchi Ohta (Visco Elasto-plastic)

Ground Materials

Properties


23/99

Ground Slope Soft Ground Foundation Seepage Dynamic

Elastic Ground Mohr-Coulomb (LEM)

Embankment Clay Seepage Elastic Ground

Mohr-Coulomb Elastic Ground Sand Sand Elastic Ground (Equivalent Linear)

von Mises Mohr-Coulomb

Clay C phi Mohr-Coulomb

Tresca Modified Cam Clay

Soft Rock

Hoek-Brown Elastic Ground Hard Rock

Hyperbolic (Duncan-Chang)

Mohr-Coulomb

Drucker-Prager Sekiguchi Ohta (Elasto-plastic)

Sekiguchi Ohta (Visco Elasto-plastic)

Ground Materials

Properties


24/99

Line Type • Beam Element • Truss / Embedded Truss • Geogrid

Plane Type • Triangular Element • Quadrilateral Element

Others • Pile Element • Spring • Interface Element • Rigid Link, Elastic Link • Surface Spring • Boundary Element (Dynamic Module only)

Structural Elements

Properties


Properties

Mesh Generation

Analysis Types


26/99

Auto Mesh

Map Mesh

Grid Mesh

Smart Mesh Auto Mesh Grid Mesh

Map Mesh

Mesh Generation

Generate mesh considering nodal connectivity, element size and quality automatically.

Generate Auto-mesh for a closed domain and curve.

Element Type: Triangle (T) / Quadrilateral (Q) / Combined (T+Q)

Generate structured mesh for a closed domain

Generate orthogonal mesh for a closed domain using Quadrilateral and Triangular Element


Properties

Mesh Generation

Analysis Types


28/99

Analysis Types

Ground

Slope

Soft Ground Foundation

Seepage

Dynamic

Rock

Analysis

Static Linear/Nonlinear Analysis

Construction Stage

Analysis

Slope Stability

(SRM/SAM/ LEM)

Analysis

Stereo Net/ LEM Analysis

Consolidation (FEM)

Analysis 1D

Consolidation Analysis

p-y Nonlinear Analysis

Seepage (Steady/

Transient & Coupled) Analysis

Eigenvalue/ Response Spectrum/

Time History Analysis

1D/2D Equivalent

Linear Analysis


29/99

Analysis Types

Static Nonlinear

Analysis

Construction Stage

Analysis

Slope Stability (SRM,SAM,

LEM) Analysis

p-y Nonlinear Analysis

Simple Analysis

Ground Module Slope Module Foundation Module

Easy to meshing No need for in-depth knowledge of FEM to Meshing

Modules Ground Module

Foundation Module

Slope Module

Rock Module

Soft Ground Module

Dynamic Module

Seepage Module


Geotechnical Solutions for Practical Design Modules

31/99

A module dedicated to Tunnel Analysis

Design Application Areas:

• Stability checks for Tunnel reinforcements • Stability of Adjacent structures • Lining Analysis • Stress-Seepage Coupled Analysis

Ground Module

Tunnel Reinforcement Adjacent Sewer Pipes Lining Analysis


32/99

Boundary Conditions

• Smart Support • Auto Support • Change Attribute

• Functions - Water Level

All Boundary Conditions can be applied both to Geometry and FE Mesh

Ground Module


33/99

Load Types • Self Weight • Nodal Load • Pressure Load • Beam Load • Initial Stress Load • Prestress Load • Prescribed Displacement Load

• Nodal / Element Temperature Load • Temperature Gradient Load • Result from other case • Combined Load

Load applied on Geometry

Load applied on FE Mesh

Ground Module

Combined Load Set


34/99

Analysis Features • Material Models – Mohr-Coulomb, Hoek-Brown, Duncan-Chang • Construction Stage Analysis • Static Nonlinear Analysis • Technical Review

Ground Module

Definition stages and step models to simulate Construction Stage Analysis


35/99

Design Results • Built-in allowable displacement and stress criteria for tunnel members • Built-in allowable displacement criteria for adjacent structures

Design criteria for tunnel members

Design criteria for adjacent structures

Ground Module


36/99

Contour with mesh edge Contour without mesh edge Contour with line Iso line

Graphic Results

• Various contour plot types to increase the quality of results

Ground Module


37/99

Table Results

Graph Results

Table Results

• Result values will be provided by table format as well as contour. • Table results can be compatible with MS-Excel

Ground Module


38/99

Report Generation

• Organized design results by report format • Data Graphs, Tables and Diagrams included • Formatted Report for each view

Design report of tunnel analysis

Ground Module


39/99


Foundation Module

Slope Module

Rock Module

Soft Ground Module

Dynamic Module

Seepage Module



41/99

A module dedicated to Foundation Analysis


• Vertical stability checks for Pile foundations • Horizontal stability checks for Pile foundations • Group pile foundation design based on p-y method

Foundation Module

Group Pile Foundation


42/99

Intuitive Modeling Features

• Perform simultaneous analysis for varying foundation types and sizes • Pile head condition • Multiple design cases

Foundation Module


43/99

Various loading conditions

• Define axial, shear loads and moments • Condition-Seismic and Normal

Foundation Module

Define Load Set


44/99

Analysis Features

• p-y Analysis • Calculation of pile member forces • Analysis result report for comparing various piles types

Define analysis case

Foundation Module


45/99

Results

• Comparison of displacement between different pile types • Horizontal stability check

Foundation Module

Results of p-y nonlinear analysis


46/99


Foundation Module

Slope Module

Rock Module

Soft Ground Module

Dynamic Module

Seepage Module



48/99

A module dedicated to Slope Analysis


• Stability checks for cut/banked slopes • Lateral movement check for abutment reflecting pile effect • Slope-Seepage coupled analysis

Slope Module

Arc Failure Surface for Reinforced Slope Stability Check for Tunnel Exit


49/99

Boundary conditions to search for the failure surface

• Arc Failure Surface • Polygonal Failure Surface • Auto-search Failure Surface

Slope Module

Polygonal Failure Surface Arc Failure Surface Auto Failure Surface


50/99

Loading Conditions

• Line Load for LEM analysis • Static Seismic load for LEM analysis

Slope Module

Line Load Pseudo static analysis load


51/99

Slope Module

SRM(c-phi reduction method)

• Bishop • Fellenius • Janbu

Limit Equilibrium Method

Analysis Capabilities

• Simultaneous calculations of safety factors for LEM and SRM analysis • LEM Analysis coupled with Seepage effects • LEM Analysis coupled with 1D Consolidation


52/99

Graphic Results

• Graphical results for factor of safety • Free body diagram for each soil slice

Slope Module

Free Body Diagram of a Slice


53/99


Foundation Module

Slope Module

Rock Module

Soft Ground Module

Dynamic Module

Seepage Module



55/99

Stability of Discontinuities

• Weighting option to account for the sampling bias introduced by scanline • Data visualization with the various plot - Pole / Symbol / Contour / Rosette

Rock Module – Stereo Net Analysis

Apply Weighting Option


56/99

Preliminary Evaluation for Failure Modes

• Select failure mode and input slope information • Auto-search for unstable zone of each failure mode • Auto-search for unstable discontinuities • Evaluation Result (Orientation of Discontinuities)



57/99

Pole & Great-Circle Plot

• Plane failure – Adjust over-estimated zone • Wedge failure – Sliding on single plane / Sliding on intersection line • Toppling failure – Direct toppling & sliding / Flexural toppling



58/99

Modeling and Analysis

• Slope modeling wizard • Five types of shear strength model • Roughness and filling materials between discontinuities

Rock Module – LEM Analysis

Slope Geometry Joint Information


59/99

Design Reinforcement

• Automatic arrangement by vertical and horizontal spacing • Reinforcing forces including shear and pullout forces • Text output for analysis results • Total length of reinforcement



60/99

Design Optimization

• Auto-calculate of minimum anchored length of reinforcement • Auto or manual input of anchored length • Quantity of required reinforcement



61/99

Design Optimization

• Edit coordinates of reinforcement • Add / Delete reinforcement through table • Check factor of safety in real time



62/99

Back Analysis

• Output equivalent cohesion and friction angle of joints • All combinations of cohesion and friction angle by target factor of safety • Graphic result and export to excel



63/99

Additional Analysis Options

• Including or excluding site conditions - Filling materials and roughness of discontinuities - Water pressure / Seismic load / External load - Before and after reinforcement arrangement


Back Analysis


64/99

Loading Conditions

• Define water level and distribution of water pressure • Define seismic coefficient and direction - Horizontal / Sliding / User-defined • External loads - Multiple loads with different position



65/99

Import from Stereo Net

• Import joint information in unstable zone - Automatic generation of slope and failure block



Foundation Module

Slope Module

Rock Module

Soft Ground Module

Dynamic Module

Seepage Module



67/99

A module dedicated to Analysis and Optimal design of Soft Ground

Design Application Areas: • Primary & Secondary Consolidation for Soft Clays • Immediate settlements in Granular Soils • Calculation of Construction Periods on Staged Embankments • 1D Consolidation-Slope Coupled analysis • Drainage functionality Check • Calculation of Preloading height

Soft Ground Module


68/99

Intuitive Modeling Features

• Practice oriented drainage types • Consideration of Smear Effects • Arrangement type – Quadrilateral and Triangular

Soft Ground Module


69/99

Boundary Conditions for FEM • Draining Condition • Non-Consolidation Boundary Element

Boundary Conditions for 1D Consolidation • Change in Drain Property • Strength Increase Zone • Settlement Calculation Position

Soft Ground Module

Change in Drain Property

Settlement Calculation Positions


70/99

Load Type

• Point Load • Uniform Line Load • Strip Load • Uniform Rectangular Load

Soft Ground Module

Define Line Load


71/99

Soft Ground Module

Analysis Types

• 1D Consolidation (Terzaghi theory) • FEM

Parametric Analysis

• Preliminary Analysis • Drain Spacing • Preloading

Preliminary Analysis Drain Spacing Parametric Analysis


72/99

FEM Results • Stability check for adjacent structures • Calculation of Construction Periods on staged embankments

1D Consolidation Results • Checking settlement based on staged embankments • Change in soil strength due to drain placement • Residual settlement check based on preloading height

Soft Ground Module

Settlement reflecting Drainage Type Settlement with Consolidation Period


73/99


Foundation Module

Slope Module

Rock Module

Soft Ground Module

Dynamic Module

Seepage Module



75/99

A module dedicated to Dynamic and Seismic Analysis

Design Application Areas: • Calculation of maximum acceleration for ground layers • Seismic analysis • Soil-Structure Interaction problems • Train vibration loads, vibration effects due to blasting

Dynamic Module

Ground Layer Modeling Evaluation of Train Vibration Loads


76/99

Dynamic Module

Boundary Conditions

• Automatic generation of Boundary Elements – Elastic or Viscous • Automatic generation of 2D Equivalent Linear Analysis Boundary Elements

Auto Generate Element Boundary


77/99

Dynamic Module

Load Conditions

• Nodal Mass • Response Spectrum Load – Response Spectrum Functions • Time History Functions – Ground Acceleration Load, Dynamic Nodal Load, Time History Result Functions

Built-in Earthquake Database Ground Acceleration Load


78/99

Dynamic Module

Analysis Features

• Eigenvalue Analysis • Response Spectrum Analysis • Time History Analysis • Equivalent Linear Analysis • Free Field Analysis


79/99

Dynamic Module

Graphic Results

• Maximum acceleration of ground layers by 1D Free Field Analysis • Member forces in 2D Equivalent Linear (SSI) Analysis • Maximum vibrations in adjacent structures due to vibration loads • Maximum displacements of structures due to seismic waves

Displacement – Depth Results Soil-Structure Interaction Effect


80/99

Dynamic Module

Table Results

• Eigenvalue Analysis Table • Time History Results – Result Graph, Draw Time History

Eigenvalue Results Hysteresis Graph


Foundation Module

Slope Module

Rock Module

Soft Ground Module

Dynamic Module

Seepage Module



82/99

A module dedicated to Seepage Analysis and Coupled Analysis

Design Application Areas: • Seepage and flux analysis for tunnel construction stages • Seepage analysis coupled with slope stability analysis • Cut-off wall problems • Pump capacity design for temporary structures and foundations

Seepage Module

Pore Pressure for Levee Seepage Flux for Tunnels


83/99

Seepage Module

Boundary Conditions

• Nodal Head / Flux • Surface Flux • Water Level Boundary

• Functions - Seepage Function

Water Level with Time

Seepage Boundary Condition


84/99

Seepage Module

Analysis Features

• Permeability Coefficient and Water Content Curves • Saturated and Unsaturated grounds • Steady State/Transient State Analysis • Consideration of Seepage forces

Define Unsaturated Properties


85/99

Seepage Module

Results

• Seepage into tunnels • Calculation of ground water drawdown and outflow flux due to excavation • Change in GWL due to intensity of precipitation • Seepage analysis results coupled with Stress/LEM analysis

Flux Results along Tunnel Excavation Surfaces Flow Paths for Levee


Foundation Module

Slope Module

Rock Module

Soft Ground Module

Dynamic Module

Seepage Module



87/99


Stress & Deformation check through change in K0 Stability check for central pillar Considering the reinforced zone

Mountain Tunnel


88/99


Tunnels with Temporary Structures

Check the differential settlement of the adjacent building Tunnel stability check during the excavation work Excavation analysis considering temporary structures


89/99


Subway Tunnel Construction with Adjacent Structures & Sewer Pipes

Check the differential settlement of the adjacent building Stability check for the existing sewer pipes Shallow tunnel stability check considering reinforced zone


90/99


Reinforcement for Cut Slopes

Simultaneous analysis of reinforced/unreinforced slopes Considering dry/rainy seasons conditions Stability check reflecting the rainfall intensity


91/99


Slope Stability at Tunnel Exit

Stability check for the both side of slopes Calculation of safety factors by SRM as well as LEM Pseudo static analysis considering seismic loading condition


92/99


Reinforced Earth Retaining Walls

Stability check reflecting multiple arc failure surfaces Reflecting various practical reinforcement materials Considering dry/rainy season conditions


93/99


Abutment Pile Foundation on Slopes

Lateral displacements of an abutment foundation system P-y analysis for pile foundations Construction stage analysis reflecting excavation and backfill


94/99


Stability of Piled Raft Foundation

Stability check for the building foundation system Group pile analysis for 76 cast-in-place piles Considering horizontal and vertical loading conditions


95/99


Group Pile Behavior

Vertical and horizontal displacements check for the battered pile Checking member forces for determining pile type/shape/size Results comparison with 3D FEM analysis


96/99


Settlement in Soft Ground

Calculation of primary & secondary consolidation settlements Parametric analysis for drainage types and spacing Check through the 1-D theoretical & finite element analysis


97/99


SSI of Underground Structure

Checking the stability of structures under the seismic condition Applying the historical seismic waves and artificial waves Considering dynamic nonlinear properties of ground


98/99


Dams/Levees with Cut-off Wall

Checking the optimal embedded depth of a sheet pile Checking the outflow speed at the protected side Seepage-stress coupled analysis

99/99

Why SoilWorks…

SoilWorks represents the complete 2D FEA solution to geo-structural

problems for structural and geotechnical engineers

7 Smart Features for easy modeling and reviewing results

Extensive library of material models and structural elements

Streamlining Design Process (Repetition eliminated) - Parametric Analysis

Dedicated User Support

Simple Modeling - CAD based modeling environment

Intuitive Graphic user interface

Eliminate the blind spot between structural & geotechnical engineers. Increase productivity into a new dimension.

Expand your business areas & Secure more projects. Rely on the Midas support team as a part of your project team.

We build our success on your success.

Thank you!

introduction to soilworks for practical design -...

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