introduction to nonlinear time history analysis using...
TRANSCRIPT
![Page 1: Introduction to Nonlinear Time History Analysis using ...solutions.ait.ac.th/wp-content/uploads/2016/11/04... · Shabir Talpur 2 PBD Guidelines PEER 2010/05, “Tall Building Initiative,](https://reader030.vdocuments.site/reader030/viewer/2022040116/5e9b85c0596d2e21cf5e5863/html5/thumbnails/1.jpg)
Introduction to Nonlinear Time History
Analysis using Perform 3D
Organized by: In collaboration
with:
Supported by:
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Shabir Talpur2
PBD Guidelines
PEER 2010/05, “Tall Building Initiative,
Guidelines for Performance Based Seismic
Design of Tall Buildings”
PEER/ATC 72-1, “Modeling and
Acceptance Criteria for Seismic Design and
Analysis of Tall Buildings”
ASCE/SEI 41-13, “Seismic Evaluation and
Retrofit of Existing Buildings”
LATBSDC 2014, “An Alternative Procedure
for Seismic Analysis and Design of Tall
Buildings Located in the Los Angeles Region”
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Shabir Talpur3
Content
• Basic Concepts Related To Model Geometry
• Basic Force Deformation Relationship
• Beam Nonlinear Modeling
• Shear Wall Nonlinear Modeling
• Strength Sections and limit states
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Shabir Talpur4
Basic Geometry Concepts
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Shabir Talpur5
Basic Force Deformation Relationship
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Shabir Talpur
Beam Nonlinear Modeling
6
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Shabir Talpur7
Beam Nonlinear Model
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Shabir Talpur8
Rotation Hinge
DU = DL/1.02
FY
FU
= 1
.13
FY
DL = a from ASCE 41-13
DR = 1.1 DL
DX
FR =
0.1
76 F
UF
D
Conventional reinforced beam
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Shabir Talpur9
Beam Nonlinear Model
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Shabir Talpur10
Energy Dissipation
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Shabir Talpur11
Energy Dissipation Factors
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Shabir Talpur
Shear Wall Nonlinear Modeling
12
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Shabir Talpur13
Shear Wall Fiber Cross Section
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Shabir Talpur14
Concrete Material Stress Strain
0
20
40
60
80
100
120
0 0.002 0.004 0.006 0.008 0.01 0.012 0.014 0.016 0.018 0.02
Stre
ss(N
/mm
2)
Strain
Concrete Material Stress Strain
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Shabir Talpur15
Steel Material Stress Strain
-800
-600
-400
-200
0
200
400
600
800
-0.15 -0.1 -0.05 0 0.05 0.1 0.15
Stre
ss(N
/mm
2)
Strain
Rebar Strain Stress
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Shear Wall Fiber Cross Section
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Shabir Talpur
Strength Sections Limit States
17
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Strength Section
• Strength Sections Have a Strength Capacity
• Types
• Moment Strength Section
• Shear Force Strength Section
• Axial Force Strength Section
• P-M2-M3 Strength Section
• V2-V3 Strength Section
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Shabir Talpur19
Strength Section
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Shabir Talpur20
Limit States
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