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Gen 2012 (v3.1) Release Note Integrated Design System for Building and General Structures
ACI318-08/11 & IBC DESIGN CODE Updates in Gen
• April, 2012
• Design Tech Development Team
ACI318-08/11 Updates
RC Common
5 / 14
▶ Design > General Design Parameter > Seismic Design Type Assign member type for seismic design. • for Seismic Design: Apply seismic design for the selected members.
• for Non-Seismic Design: Do not apply seismic design for the selected members.
• for Non-Seismic-Force Resisting System : Apply the clause 21.13 Members not designated as part of the seismic-force-resisting system.
- Available only when Special Moment Frames is selected.
ACI318-08/11 Updates
RC Beam/Column
6 / 14
R is the factor to consider Vc=0 for the Special Moment Frame.
▶ See Beam : 21.5.4.2, Column : 21.6.5.2
Design Shear Force is calculated based on Mpr for the Special Moment Frame.
▶ See Beam : 21.5.4.1, Column : 21.6.5.1
Select member types for which seismic design is not applied. You can also select individual
members using General Design Parameter>Seismic Design Type.
▶ Design > Concrete Design Parameter > Design Code : Select [Special Moment Frames].
ACI318-08/11 Updates
RC Beam/Column
7 / 14
Design shear forces for the Intermediate Moment Frame
▶ See Beam : 21.3.3.1, Column : 21.3.3.2
▶ Design > Concrete Design Parameters > Design Code : Select [Intermediate Moment Frames].
RC Beam/Column
ACI318-08/11 Updates 8 / 14
For the Ordinary Moment Frames, any input is not required for Special RC Structural Wall
(Clause 21.9)
▶ Design > Concrete Design Parameter > Design Code : Select [Ordinary Moment Frames].
ACI318-08/11 Updates
RC Wall
9 / 14
21.9 Special structural walls
Boundary Element Methods are provided as per 21.9.6.2 and 21.9.6.3
21.9.6.2 21.9.6.3
Boundary element condition
c ≥ lw/600(δu/hw) ※ δu = δe*Cd/Ie
(Design displacement) fc ≥ 0.2fc’
Boundary element vertical
length MAX[lw, Mu/(4Vu)] fc ≥ 0.15fc’
▶ Design > Concrete Design Parameter > Design Code : Check-On [Special RC Wall Structural Wall].
RC Wall
ACI318-08/11 Updates 10 / 14
▶ Design > Concrete Design Parameter > Modify Wall Rebar Data When Special RC Structural Wall is checked on, “BE Horizontal” is activated.
Dxx@yy: Reinforcement size and spacing of horizontal reinforcements
RC Wall
ACI318-08/11 Updates 11 / 14
▶ Design > Concrete Design Parameter > Design Criteria for Rebars / Design Criteria for Rebars by
Member When Special RC Structural Wall is checked on, Boundary Element reinforcement input is activated.
Design Criteria for Rebars
Design Criteria for Rebars by Member
RC Wall
ACI318-08/11 Updates 12 / 14
▶ Design > Concrete Design Parameter > Boundary Element Method by Wall ID Boundary Element design method and reference wall can be determined by Wall ID.
• Displacement Based Method : 21.9.6.2.
• Stress Based Method : 21.9.6.3.
RC Wall
ACI318-08/11 Updates 13 / 14
When Special RC Structural Wall is checked on, “B.E.” is included.
• YES: Boundary Element is necessary.
• - : Boundary Element is not necessary.
When Special RC Structural Wall is checked on, “B.E.-Rebar, B.E.-L” is included.
B.E.-Rebar B.E.-L
Description Required horizontal
reinforcement size and spacing in the Boundary Element
When Boundary Element is necessary, the required
length of Boundary Element.
Boundary Element is not
necessary. Not Use -
▶ Wall Design Result Dialog
RC Wall
ACI318-08/11 Updates 14 / 14
▶ Wall Design Result Report
Detail Report
Graphic Report
Summary
Report
RC Wall
ACI318-08/11 Updates 15 / 14
▶ Display Option Display options are added for the input data and results of Boundary Element.
Wind Loads
IBC 2009 & 2012 Updates 16 / 14
▶ Wind Load Code IBC2009 (ASCE-05) Loads>Lateral Loads >Wind Loads.
Wind Loads
17 / 14
▶ Wind Load Code IBC2012 (ASCE-10) Loads>Lateral Loads >Wind Loads.
IBC 2009 & 2012 Updates
Seismic Load
18 / 14
▶ Seismic Load Code IBC2009 (ASCE-05) Loads>Lateral Loads >Seismic Load.
IBC 2009 & 2012 Updates
Seismic Load
19 / 14
▶ Seismic Load Code IBC2012(ASCE-10) Loads>Lateral Loads >Seismic Load.
IBC 2009 & 2012 Updates
Response Spectrum Analysis
20 / 14
▶ Response Spectrum Function :IBC2009 (ASCE-05) Loads>Response Spectrum Analysis Data>Response Spectrum Functions
IBC 2009 & 2012 Updates
Response Spectrum Analysis
21 / 14
▶ Response Spectrum Function :IBC2012 (ASCE-10) Loads>Response Spectrum Analysis Data>Response Spectrum Functions
IBC 2009 & 2012 Updates
A New Paradigm for Geotechnical Engineering Solutions SoilWorks is an all-in one 2D Finite Element Analysis software for Structural and Geotechnical engineers. Fully integrated Pre/Post and Solver.
Intuitive
Tunnel
Slope
Soft Ground
Foundation
Seepage
Dynamic
SoilWorks
The Software with 7 Smart Automated Features Smart features for fast modeling, analysis and results extraction
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Slope Module • Simultaneous analyses for dry/rainy seasons • Perform SRM, SAM and LEM Analysis in one model • LEM Analysis coupled with Seepage and Soft Ground Analyses
Soft Ground Module • Calculate Consolidation / Settlement • 1-D Consolidation
• Drainage Analysis • Preloading Analysis • Preliminary Analysis
• FEM Analysis • Parametric Analysis
Seepage Module • Steady State / Transient State Seepage Analysis • Upward/downward Seepage forces • Coupled Analysis
Why SoilWorks…
SoilWorks represents the complete 2D FEA solution to geo-structural proble
ms for structural and geotechnical engineers
7 Smart Features for easy modeling , analysis and reviewing results
Streamlining Design Process (Repetition eliminated) - Parametric Analysis
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Eliminate the blind spot between structural & geotechnical engineers Increase productivity into a new dimension
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Bridging Your Innovations to Realities
Date: May 15, 2012
Topic: General Use of midas Gen
Presenter: Yaman Wadhwani
midas Gen Webinar
Gen
Midas Gen One Stop Solution for Building and General Structures Webinar Schedule
Webinar Schedule
May Basic Product Introduction & General Use Yaman 5/15, Tue
Advanced Time History Analysis Ravi 5/29, Tue
June Basic Product Introduction & General Use Yaman 6/12, Tue
Advanced Construction Stage Analysis & Column Shortening Ravi 6/26, Tue
Midas Gen One Stop Solution for Building and General Structures Introduction
midas Gen Introduction
2) Modeling
3) Boundary Conditions
4) Loading
5) Analysis results
6) Design
1) midas Gen INTRODUCTION
Midas Gen One Stop Solution for Building and General Structures Introduction
Stadiums
Power Plants
Hangar
Airport
Transmission
Towers
Cranes
Pressure Vessels
Machine Structures
Underground
Structures …
Versatility
Specialty Structures Applications
Beijing National Stadium Beijing National Aquatic Center Beijing Olympic Basketball Gymnasium
Seoul World Cup Stadium JeonJu World Cup Stadium DeaJeon World Cup Stadium
USA Pavilion China Pavilion German Pavilion
Midas Gen One Stop Solution for Building and General Structures Introduction
Analysis Types
Static Analysis Dynamic Analysis Free Vibration Analysis Response Spectrum Analysis Time History Analysis Geometric Nonlinear Analysis P-Delta Analysis Large Displacement Analysis Material Nonlinear Analysis
Structural Masonry Analysis Linear Buckling Analysis
Lateral Torsional Buckling Heat Transfer Analysis Time Transient Analysis Heat of Hydration Analysis
Thermo-elastic Analysis Maturity, Creep, Shrinkage, Pipe Cooling Construction Stage Analysis Time Dependent Material Column Shortening Analysis (Elastic/Inelastic) Pushover Analysis
FEMA, Eurocode, Multi-linear hinge properties RC, Steel, SRC, Masonry material types
Boundary Nonlinear Time History Analysis Damper, Isolator, Gap, Hook
Inelastic Time History Analysis Other Analysis Unknown Forces by Optimization Moving load analysis Settlement analysis
[Construction Stage Analysis] [Construction Stage Analysis] [Dynamic Boundary Nonlinear] [Dynamic Boundary Nonlinear]
[Post-tensioning girder analysis] [Post-tensioning girder analysis] [Pushover analysis] [Pushover analysis]
Midas Gen One Stop Solution for Building and General Structures Introduction
Graphic User Interface
Midas Gen One Stop Solution for Building and General Structures Introduction
Various Useful Functions and windows
[Multiple Viewpoints and Table] [Multiple Viewpoints and Table] [Different Display Modes] [Different Display Modes]
Frame Hidden Inactive Hidden
[Table Windows] [Table Windows] [Various Types of Graphs] [Various Types of Graphs]
Midas Gen One Stop Solution for Building and General Structures Introduction
Special Visualization features
[Transparency] [Transparency] [Walk Through] [Walk Through]
Midas Gen One Stop Solution for Building and General Structures Modeling
Modeling
2) Dxf Import
4) Define Material Properties
3) Structure Wizard
5) Define Section properties
6) Create Elements
7) Define Mass Data
1) File Manipulation
Midas Gen One Stop Solution for Building and General Structures Modeling
Data Exchange /Merge Files
• Direct Data Transfer with Tekla Structures, Revit Structure & STAAD
• Import/Export (AutoCAD DXF, MSC.Nastran, STAAD, SAP2000, etc.)
Analysis & Design midas Gen
Tekla Structure
[Tekla interface] [Tekla interface]
Revit Structure Revit Structure
Analysis & Design midas Gen
Analysis & Design midas Gen
[Revit interface] [Revit interface]
Midas Gen One Stop Solution for Building and General Structures Modeling
Data Exchange /Merge Files
Merged
[Merge Data Files] [Merge Data Files]
• Model merge function
• MGT command shell
[MGT command shell] [MGT command shell]
Midas Gen One Stop Solution for Building and General Structures Modeling
Structure Wizard
[Arch Wizard] [Arch Wizard] [Shell Wizard] [Shell Wizard]
[Plate Wizard] [Plate Wizard] [Truss Wizard] [Truss Wizard]
Midas Gen One Stop Solution for Building and General Structures Modeling
Quick and Easiness features
Active Identity
Select Identity
Select Volume [Selections Methods] [Selections Methods]
[User coordinates] [User coordinates] [Unit Conversion] [Unit Conversion] [Unlimited Undo/Redo] [Unlimited Undo/Redo]
[Activities Menu] [Activities Menu]
Midas Gen One Stop Solution for Building and General Structures Modeling
Define Material properties
*SRC and User Defined material properties can be defined
Database Code Name
BS British Standards
ASTM American Society for Testing Materials
EN European Code
DIN Deutshes Institute Fur Normung e.v
CSA Canadian Standards Association
IS Indian Standards
JIS Japanese Industrial Standards
KS Korean Industrial Standards
GB Chinese National Standard
JGJ Chinese Engineering Standard
JTJ Chinese Transportation Department Standard
• Creep/Shrinkage
- Eurocode, ACI, CEB-FIP, PCA…
• Comp. Strength - Eurocode, ACI, CEB-FIP, Ohzagi…
[Steel & Concrete Material Database] [Steel & Concrete Material Database]
[Time Dependent Materials] [Time Dependent Materials]
Midas Gen One Stop Solution for Building and General Structures Modeling
Define Section Properties
• Section Database
• AISC2K(US), AISC2K(SI), AISC,
• CISC02(US), CISC02(SI), BS, DIN…
• Import data file already defined
• Input dimensions of typical sections
• Typical steel section (I, T, Channel, Angle, Pipe…)
• Steel – Concrete composite section (SRC)
• Tapered section
• Section Property Calculator tool
[Section Database] [Section Database]
[Arbitrary Section Definition] [Arbitrary Section Definition]
Midas Gen One Stop Solution for Building and General Structures Building Generation
Building Generation
• Defining ground level for generating static seismic and wind loads
• Building generation wizard
[Story Data] [Story Data] [Automatic Diaphragm Control] [Automatic Diaphragm Control]
Midas Gen One Stop Solution for Building and General Structures Modeling
Define Mass Data
• Nodal Masses
• Floor Diaphragm Masses
• Loads to Masses
• Consistent Mass
• Self-weight to Mass
[Floor Diaphragm Masses] [Floor Diaphragm Masses]
[Load to Masses] [Load to Masses]
[Lumped Mass and Constant Mass] [Lumped Mass and Constant Mass]
Midas Gen One Stop Solution for Building and General Structures Boundary Conditions
Boundary Conditions
2) Boundary Non Linear Analysis with Isolator
3) Spring Supports for soil interaction .
1) Applicable Boundary Conditions
Midas Gen One Stop Solution for Building and General Structures Boundary Conditions
Applicable Boundary Conditions
• Supports • Elastic Link • Linear Constraints
• Point Spring Supports • Nodal Coordinate System • Rigid Link
• General Spring Supports • Beam End Release (Semi-rigid connection)
• Diaphragm Disconnection
• Surface Spring Supports • Beam End Offset • Panel Zone Effects
• Pile Spring Supports • Plate End Release
[Rigid Link] [Rigid Link] [Floor Diaphragm] [Floor Diaphragm]
[General Spring Supports] [General Spring Supports]
Midas Gen One Stop Solution for Building and General Structures Boundary Conditions
Boundary Non Linear Analysis with Isolator
[Fixed Support] [Fixed Support] [Isolator] [Isolator]
Midas Gen One Stop Solution for Building and General Structures Boundary Conditions
Spring Supports for Soil Interaction
• Point Spring Support (Linear, Comp.-only, Tens.-only, and Multi-linear type)
• Pile Spring Support
• Surface Spring Support (Nodal Spring, and Distributed Spring)
[Nonlinear point spring support] [Nonlinear point spring support]
[Surface Spring Support] [Surface Spring Support] [Pile Spring Support] [Pile Spring Support]
Midas Gen One Stop Solution for Building and General Structures Loading
Loading
2) Floor Load and Pressure Loads
4)Dynamic Loads
3) Static Wind and Seismic Loads
5) Hydrostatic pressure Loads
1) Applicable loads
Midas Gen One Stop Solution for Building and General Structures Loading
Applicable Loads
• midas Gen enables us to specify all types of nodal, element, point, surface, dynamic, prestressing and thermal loads encountered in practice.
• Load combination based on the various design codes
• Load group generation of load case from load combinations
• Self Weight
• Nodal Load
• Prescribed Displacement
• Elements Beam Load
• Line Beam Load
• Floor Load
• Prestress Beam Load
• Pretension Load
• Tendon Prestress Load
• Hydrostatic Pressure Load
• Temperature load
• Pressure Load
• Static Wind Load
• Static Seismic Load
• Construction Stage Load
• Initial Forces
• Time History Load
• Moving Load
• Pushover Loads
• Response Spectrum Function
• Ground Acceleration
• Dynamic Nodal Loads
[Floor Load] [Floor Load] [Time History Load] [Time History Load]
[Wind and Seismic Load Generation] [Wind and Seismic Load Generation]
Midas Gen One Stop Solution for Building and General Structures Loading
Floor Load and Pressure Load
• Readily specify uniformly distributed dead and live loads on specific areas of a floor
• Automatically distributed and applied to the individual beams, girders and columns
[Pressure Load] [Pressure Load] [Floor Load] [Floor Load]
Midas Gen One Stop Solution for Building and General Structures Loading
Static Wind and Seismic Loads
Wind Load Code Seismic Load Code
IBC IBC
UBC UBC
ANSI ATC
Eurocode Eurocode
BS -
IS IS
NBC NBC
GB GB
Japan Japan
Taiwan Taiwan
Korea Korea
[Assigning Wind and Seismic Load for Flexible Floors] [Assigning Wind and Seismic Load for Flexible Floors] [Static wind and seismic loads] [Static wind and seismic loads]
Midas Gen One Stop Solution for Building and General Structures Loading
Dynamic Loads
• Response spectrum load
• Time history load (earthquake records, Heel drop)
[Time Varying Load: Heel Drop] [Time Varying Load: Heel Drop] [Earthquake Response spectrum] [Earthquake Response spectrum]
Midas Gen One Stop Solution for Building and General Structures Loading
Hydrostatic pressure loads
• Hydrostatic Pressure Loads for applying lateral earth pressure
[Hydrostatic Pressure Load] [Hydrostatic Pressure Load]
Midas Gen One Stop Solution for Building and General Structures Analysis Results
Analysis Results
2) Contours
4) Special Plot and Graphs
3) Vibration Mode Shape
5) Cutting Plane stresses
6) Table Output
7) Story Related Tables and Define Modules
1) Beam Results
Midas Gen One Stop Solution for Building and General Structures Analysis Results
Beam Results
Beam Moment Diagram Beam Moment Diagram Beam Detail Analysis Results Beam Detail Analysis Results
Midas Gen One Stop Solution for Building and General Structures Analysis Results
Analysis Results
Von Mises Stresses Contour Von Mises Stresses Contour Displacement Contour Displacement Contour
Midas Gen One Stop Solution for Building and General Structures Analysis Results
Vibration Mode Shape
Midas Gen One Stop Solution for Building and General Structures Analysis Results
Special Plots and Graph
Stress Results (Diagrams & Graphics Stress Results (Diagrams & Graphics Solid Stresses (Iso-Surface) Solid Stresses (Iso-Surface)
Midas Gen One Stop Solution for Building and General Structures Analysis Results
Cutting Plane Stresses
Midas Gen One Stop Solution for Building and General Structures Analysis Results
Table Output
Convenient features of checking results in table formats
• Spread sheets provided for all analysis and design results
• Powerful filtering in conjunction with various selection functions
• Various sorting methods
• Various editing function (Add, Modify, Group Copy, Replace, Search, etc.)
• Copy & Paste using Clipboard
• Interface with other software such as MS-Excel, etc.
Midas Gen One Stop Solution for Building and General Structures Analysis Results
Story Related Tables and Define Modules
Define modules for a twin tower to check following results: • Story Drift
• Story Displacement
• Story Mode Shape
• Torsional Amplification Factor
• Overturning Moment
• Story Axial Force Sum
• Stability Coefficient
• Torsional Irregularity Check
• Stiffness Irregularity Check (Soft Story)
• Weight Irregularity Check
• Capacity Irregularity Check (Weak Story)
Module 1
Module 2
Module 3
Midas Gen One Stop Solution for Building and General Structures Introduction
Dynamic Report Generation
1 1
Drag & Drop
Midas Gen One Stop Solution for Building and General Structures Design Capabilities
Design Capabilities
2) Concrete & Steel Design Feature
4) Capacity Design Feature
3) Optimal Design Feature
5) Meshed Slab and Wall Design
1) Available Design Code
Midas Gen One Stop Solution for Building and General Structures Design Capabilities
Available Design Code
RC Design Steel Design SRC Design
ACI318 AISC-LRFD SSRC79
Eurocode 2, Eurocode 8 AISC-ASD JGJ138
BS8110 AISI-CFSD CECS28
IS:456 & IS:13920 Eurocode 3 AIJ-SRC
CSA-A23.3 BS5950 TWN-SRC
GB50010 IS:800 AIK-SRC
AIJ-WSD CSA-S16-01 KSSC-CFT
TWN-USD GBJ17, GB50017 Footing Design
AIK-USD, WSD AIJ-ASD ACI318
KSCE-USD TWN-ASD, LSD BS8110
KCI-USD AIK-ASD, LSD, CFSD
Slab Design KSCE-ASD
Eurocode 2 KSSC-ASD
Midas Gen One Stop Solution for Building and General Structures Design Capabilities
Concrete & Steel Design Feature
RC Column Design Results RC Column Design Results
Graphical Display of Design Results Graphical Display of Design Results
P-M Curve by Column P-M Curve by Column
Design Results Graphic Design Results Graphic
Design Results Detail Design Results Detail
Footing Design Results Footing Design Results
Midas Gen One Stop Solution for Building and General Structures Design Capabilities
Optimal Design Feature
The optimal design feature of midas Gen optimizes the member sections, which determines the
section dimensions automatically for the minimum sectional area (minimum weights) satisfying
the specified design standard through verifying strength ratio (or stress ratio) in iterative
analysis.
Steel Optimal Design Displacement Optimal Design
Midas Gen One Stop Solution for Building and General Structures Design Capabilities
Capacity Design feature
• structures to provide the appropriate amount of ductility in the corresponding ductility classes.
• Automatic capacity design capability for beam, column, wall and beam-column joint • EN 1998-1: 2004 (DCM/DCH) • NTC2008 (CD “B”, CD “A”) • Design action effects are calculated in accordance with the capacity design rule. Special
provision for ductile primary seismic walls is considered. • Detailing for local ductility is considered.
- max/min reinforcement ratio of the tension zone - the spacing of hoops within the critical region - mechanical volumetric ratio of confining hoops with the critical regions
Capacity design shear forces on beams
Define ductility class and check design results
Design envelope moments in walls
Midas Gen One Stop Solution for Building and General Structures Design Capabilities
Meshed slab wall Design
• Slab and wall design for meshed plate elements as per Eurocode2-1-1:2004 • Slab design for non-orthogonal reinforcement directions based on the Wood-Armer formula • Smooth moment and shear forces • Automatic generation of Static wind and seismic loads for flexible floors • Detailing for local ductility
Wall design
Slab serviceability checking
Punching shear check
result
Slab flexural design
Define reinforcement direction
Midas Gen One Stop Solution for Building and General Structures
Question and Answers ?
Midas Gen One Stop Solution for Building and General Structures Thank You !
Thank You !
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