40.13.1 - Types of Irregularities (IS 1893 Clause 7.1)
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Practice Questions
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Define plan irregularity.
💡 Hint: Think about the horizontal layout of a building.
What is a torsional irregularity?
💡 Hint: It involves twisting caused by unequal movement.
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Interactive Quizzes
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What is torsional irregularity?
💡 Hint: It involves how a structure moves sideways during an earthquake.
True or False: Geometric irregularities do not affect seismic performance.
💡 Hint: Think about how shapes can impact stability.
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Challenge Problems
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A multi-story building has a soft first floor and a heavy rooftop garden. Discuss the implications of these elements on the design strategy during an earthquake.
💡 Hint: Consider how both elements affect lateral loads.
Evaluate the potential risks of a building with re-entrant corners during an earthquake, including suggested design improvements.
💡 Hint: Think about how shapes can influence stability.
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