Question

12.8 The single-story wood frame building in Fig. 12.B has a double 2 x 4 top wall plate of Southern Pine. This top plate serves as the chord and drag strut along line 1 Seismic loads are wgr 191 Ib/ft and wEL 319 lb/ft. CM 1.0. Use LRFD pro- cedures and remember to use the appropriate LRFD load factor for seismic forces. Find: a. The maximum chord force along line 1. b. The maximum drag strut force along line 1. c. Determine the number of 16d common nails necessary to splice the top plate for the maximum force determined in a and b. 10' 30 )o LONGITUDINAL FORCE W TRANSVERSE FORCE W PLAN Figure 12.B

Answer 1

exiviuC e L au d C Mam Chord to>s

n. DS ox 3D orce chord 30.0 kips 532.12 30 は、5 OTE

ed wail ave 32 2 Mail Orce.