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Why does a heavier structure generally develop more earthquake inertia force at the same acceleration?

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  1. Mass does not affect earthquake force
  2. Heavier buildings shake less, so force drops
  3. Greater mass produces greater inertia force

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References

  1. Virginia Tech: Earthquake Loads www.setareh.arch.vt.edu/safas/007_fdmtl_05_types_of_loads_4.html Checked 2026-10-10.

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