Sequential Phased Displacement Cyclic Tests of Wood-Frame Shear Walls withVarious Openings and Base Restraint Configuration

摘要

This study examines the performance of long, full-sized, shear walls with andwithout openings, and with and without overturning restraint tested under monotonic and reversed cyclic loads. To improve the accuracy of designs when no overturning restrains are provided, tests of shorter wall specimiens with corner framing were also tested. The results of this investigation provide useful information in determining at what wind and seimsic force levels the different numbers of overturning restraints are required for a given wall configuration. This also provides information necessary to determine which regions of the United States need not require overturning restraint due to low lateral load levels and which regions should require overturning restraint due to high wind or seismic loads. Six long, fully-sheathed and perforated walls were tested under Sequential Phased Displacement (SPD) loading, providing quantitative information about earthquake performance and the effect of overturning restraint.