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Introduction to Nonlinear Time History
Analysis using Perform 3D
Organized by: In collaboration
with:
Supported by:
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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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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Basic Geometry Concepts
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Basic Force Deformation Relationship
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Beam Nonlinear Modeling
6
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Beam Nonlinear Model
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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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Beam Nonlinear Model
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Energy Dissipation
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Energy Dissipation Factors
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Shear Wall Nonlinear Modeling
12
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Shear Wall Fiber Cross Section
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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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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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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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Strength Section
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Limit States
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