Titen HD Anchors Load Adjustment Factors: Spacing, Tension and Shear Loads ~ Simpson Strong-Tie Anchor Systems®

The following tables are for reduced Spacing.
Locate the anchor size to be used for either a tension and/or shear load application.
Locate the anchor embedment (E) used for either a tension and/or shear load application.
Locate the spacing (S_act) at which the anchor is to be installed.
The load adjustment factor (f_s) is the intersection of the row and column.
Multiply the allowable load by the applicable load adjustment factor(s).
Reduction factors for multiple spacings are multiplied together.

The tabled adjustment values (f_s) have been calculated using the following information:

E = embedment depth (inches).
S_act = actual spacing distance at which anchors are installed (inches).
S_cr = critical spacing distance for 100% load (inches).
S_min = minimum spacing distance for reduced load (inches).
f_s = adjustment factor for allowable load at actual spacing distance.
f_scr = adjustment factor for allowable load at critical spacing distance. f_scr is always = 1.00.
f_smin = adjustment factor for allowable load at minimum spacing distance.
f_s = f_smin + [(1 - f_smin) (S_act - S_min) / (S_cr - S_min)].

The tabled adjustment values (f_s) have been calculated using the following information:

E = embedment depth (inches).
S_act = actual spacing distance at which anchors are installed (inches).
S_cr = critical spacing distance for 100% load (inches).
S_min = minimum spacing distance for reduced load (inches).
f_s = adjustment factor for allowable load at actual spacing distance.
f_scr = adjustment factor for allowable load at critical spacing distance. f_scr is always = 1.00.
f_smin = adjustment factor for allowable load at minimum spacing distance.
f_s = f_smin + [(1 - f_smin) (S_act - S_min) / (S_cr - S_min)].

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TITEN HD® Heavy Duty Screw Anchor for Concrete & Masonry