Page 179 - Advanced Design Examples of Seismic Retrofit of Structures

FIG. 3.33 Drilling the steel plates and their installation in shear wall P 1L . (Photos taken by
T. Honarbakhsh.)

FIG. 3.34 Grouting behind the steel plates, pre-stressing of the bolts, and quality control by the
torque meter in shear wall P 1L . (Photos taken by T. Honarbakhsh.)

2
FIG. 3.35 Shear stresses in the roof of story 2 (kg/cm ).