Presentation on Axis System
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Transcript of Presentation on Axis System
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Ahsanullah University of Science and Technology Department of Civil Engineering
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CE-416Prestress Concrete Design Sessional
Presentation on
Axis System
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Presented byMashrekur Rahman
Student ID: 10.01.03.001
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Let us draw a line!
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Engineers Use Axes!
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What is an Axis?
An unlimited line, half-line, or line segment serving to orient a space or a geometric object, especially a line about which the object is symmetric.
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2D and 3D Axes
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Uses in Structural Analysis
1
• Represent the direction of internal and external forces
2
• Denote the relative position of structural members
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Consider a Simply Supported Beam
External Forces
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Local & Global Axes
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Axial Force in a Beam
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Rotational Axis
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Torsional Action in Structural Members
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Movement about Rotational Axis in a Prestressed I-beam
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Axis System to analyze I-beam
Major Axis gives the algebraically larger moment of inertia.Minor Axis gives the relatively smaller moment of inertia.
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Axis System and Prestressed Concrete
Axis system is the cradle of design and analysis of Prestressed Concrete members.
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Feel Free To Ask Questions