4 Questions
What is the main purpose of the yield line theory?
To analyze the reinforcement yielding in a slab
What is the role of yield lines in the yield line theory?
To indicate points of maximum bending moment in the slab
Why do slabs under the yield line theory mostly have under-reinforcement?
To facilitate the yielding of reinforcement at points of high bending moment
What leads to the formation of a mechanism causing the collapse of a slab under the yield line theory?
Uncontrolled rotation of members
Study Notes
Yield Line Theory
- The main purpose of the yield line theory is to predict the ultimate load-carrying capacity of a slab by analyzing the formation of a collapse mechanism.
Role of Yield Lines
- Yield lines are lines of maximum bending moment and minimum curvature, playing a crucial role in the yield line theory by dividing the slab into a series of strips.
Under-Reinforcement in Slabs
- Slabs under the yield line theory often have under-reinforcement, which is attributed to the assumption that the reinforcement is only capable of resisting the bending moment at the yield line.
Collapse Mechanism
- The formation of a mechanism causing the collapse of a slab under the yield line theory is led by the concentration of bending moments at the yield lines, resulting in the failure of the slab.
Test your knowledge about the yield line theory, an analysis method for evaluating the collapse loads of slabs based on bending moments and development of yield lines.
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