Which of the following are seismic reinforcement methods for existing wooden buildings in Japan

Which of the following are seismic reinforcement methods for existing wooden buildings in Japan

Which of the following are seismic reinforcement methods for existing wooden buildings in Japan? (Select all that apply)

A. Installing steel brackets (Kizuna Kan) at beam-column connections

B. Adding shear walls with plywood sheathing

C. Replacing wooden beams with steel beams

D. Applying carbon fiber sheets to walls

E. Increasing the building’s weight

Answer: ABCD

Explanation: Common seismic reinforcement methods for existing wooden buildings include installing steel brackets, adding shear walls, replacing wooden beams with steel beams, and applying carbon fiber sheets. Increasing the building’s weight (E) reduces seismic performance and is not a reinforcement method.