3" members are only required if the nailing schedule is 3" o.c. or closer with 10D nails. 8D nails are allowed for 3" nailing into 2X. When the need arises for blocked diaphragms with 2", 2 1/2" or 3" o.c. nailing w/ 10D nails I usually ...
Examples of fragility curves are developed considering peak wall displacement and ultimate uplift force at the hold-down. The effects of nailing schedule, seismic weight, and choice of response modification factor(R)are considered. 展开 关键词: Earthquake engineering Probability Seismic design Shear ...