engr. mir shabir ali talpur m. eng. asian institute of...
TRANSCRIPT
Engr. Mir Shabir Ali TalpurM. Eng. Asian Institute of Technology
Project Engineer, AIT Consulting
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0
20
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0 0.005 0.01 0.015 0.02
Stre
ss(N
/mm
2)
Strain
Concrete Material Stress Strain
Y
U L
R
Y:(0.6 fcc/Ec, 0.6fcc )
U:(0.75 Ɛc, 0.6fcc )
L:(1.25 Ɛc, 0.6fcc )
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-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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• Rigid Plastic Hinges
• Types
• Moment Hinge Rotation Type
• Moment Hinge Curvature Type
• Shear Hinge Displacement Type
• P-M2-M3 Hinge Rotation Type
• P-M2-M3 Hinge Curvature Type
• V2-V3 Shear Hinge
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• Strength Sections Have a Strength Capacity
• Do not modify the behavior of the structure
• 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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