Common mistakes in shear wall constr tion Shear wall uplift restraint Partial uplift restraint eld-dew Partial uplift restraint Problems with uplift restraints by anchor bolt tCommon mistakes in shear wall construction Missing nails 49 Over-driven nails 50 Common mistakes in shear wall construction Shear wall uplift restraint hold-down anchor bolts horizontal force 51 Partial uplift restraint full uplift restraint partial uplift restraint 52 Problems with uplift restraints by anchor bolts sill plate splitting load transfer through nails Solution: use larger washer reduce shear capacity for double duty nails 53 Partial uplift restraint α = Vr‘/ Vr , ratio of shear capacities of the partially restrained wall versus the fully restrained wall. φ = the ratio of the restraint force on the end stud (i.e. from a hold down, a perpendicular wall or vertical top load) versus the full nail capacity along the height of the end stud 54