UCSD, PCA & NEES BLIND PREDICTION CONTEST

Building’s s Response to Sylmar
Earthquake EQ4
• Performance levels anticipated were met:
– Cosmetic damage at the base of the wall
– Reinforcement strains reached 2.7%
– Peak roof-drift ratio was 2.1%
– Residual crack widths less than 1/20 th of an inch
– Negligible residual displacements (1/2 in. at the roof )
• The building slice could perhaps not be
immediately “occupied” but only required
minimum repairs