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Tabulated allowable load is the lowest allowable load of the threaded rod, coupler nut, take-up device and bearing plate components for each URS model.
Table 2 — Deflection Equations
Tabulated deflection formulas account for rod elongation, wood bearing deformation and deflection of shrinkage compensating device.
Where PD is the demand (or design) uplift load and L is the total length of the rod in inches between restraints (foundation level to take-up device).
Table 3 — Tabulated Deflection Tables Using RTUD
Tabulated deflection values include rod elongation, wood bearing deformation and deflection of shrinkage compensating device.
Noted values exceed the maximum allowable load for the URS run.
Noted values exceed the maximum rod elongation of 0.18" specified in Section 3.2.1.1 of ICC-ES AC391.
Where PD is the demand (or design) uplift load and L is the total length of the rod between restraints (foundation level to take-up device).