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Match the technique with the deficiency it addresses.

1. Seismic bands   2. Column jacketing   3. Added shear walls

P. Insufficient overall lateral strength   Q. Walls acting independently   R. Inadequate confinement in a member

  • A.1-Q, 2-R, 3-P
  • B.1-R, 2-Q, 3-P
  • C.1-Q, 2-P, 3-R
  • D.1-P, 2-R, 3-Q

Answer: A

Correct answer: 1-Q, 2-R, 3-P

Three deficiencies and three remedies. Bands tie walls that would otherwise act independently. Jacketing wraps a column that lacks confinement, giving it the ductility to survive large deformations. And new shear walls supply lateral strength the building as a whole does not have.

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