Uploaded March 2025 | Updated September 2026, 5 days ago

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During an earthquake, irregular building shapes like U-plans or X-plans tend to experience uneven force distribution, causing twisting and localized failures. This short explains why separation joins are important for converting irregular shapes into safer, more symmetric blocks.

✅ Key Takeaways:
U-Plan and X-Plan:

Complex shapes are prone to damage due to unequal load paths.

Separation Joints:

Dividing complex shapes into simpler blocks helps distribute seismic forces uniformly.

Symmetry is Key:

Symmetric, compact shapes ensure better earthquake performance.

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