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WoodWorks® Shearwalls 2352.wsw Feb. 20,2023 13:29:46 HOLD-DOWN DISPLACEMENT(flexible seismic design) Wall, Hold- Uplift Elong/Disp Slippage Shrink Crush+ Total Hold segment Dir down force Manuf Add da Pf da da Extra da Defl lbs in in in lbs in in in in in Level 1 Line 1 1-1,2 S->N HDU8-SDS 3768 .083 .000 0.083 - - .068 0.04 0.19 0.38 N->S HDU8-SDS 3459 .078 .000 0.078 - - .068 0.04 0.19 0.37 Line 2 2-1,2 S->N HDU8-SDS 3127 .068 .000 0.068 - - .068 0.04 0.18 0.35 N->S HDU8-SDS 3108 .072 .000 0.072 - - .068 0.04 0.18 0.36 Line A A-1,1 W->E HDU2-SDS 187 .010 .000 0.010 - - .068 0.04 0.12 0.09 E->W HDU2-SDS 101 .008 .000 0.008 - - .068 0.04 0.12 0.08 A-1,2 W->E HDU2-SDS 91 .008 .000 0.008 - - .068 0.04 0.12 0.09 E->W HDU2-SDS 177 .010 .000 0.010 - - .068 0.04 0.12 0.09 Line B B-1,1 W->E HDU2-SDS 2309 .082 .000 0.082 - - .068 0.04 0.19 0.38 E->W HDU2-SDS 3501 .129 .000 0.129 - - .068 0.04 0.24 0.47 B-1,2 W->E HDU2-SDS 4024 .147 .000 0.147 - - .068 0.04 0.25 0.51 E->W HDU2-SDS 2832 .100 .000 0.100 - - .068 0.04 0.21 0.42 Wall, Hold- Uplift Elong/Disp Slippage Shrink Crush+ Total Hold segment Dir down force Manuf Add da Pf da da Extra I da Defl lbs in in in lbs in in in in in Level 2 Line 1 1-2 S->N HDU2-SDS 332 .034 .000 0.034 - - .248 0.04 0.32 0.28 N->S HDU2-SDS 332 .017 .000 0.017 - - .248 0.04 0.30 0.26 Line 2 2-1,1 S->N HDU2-SDS 1088 .080 .000 0.080 - - .248 0.04 0.37 0.79 N->S HDU2-SDS 718 .030 .001 0.031 - - .248 0.04 0.32 0.68 2-1,2 S->N HDU2-SDS 773 .064 .000 0.064 - - .248 0.04 0.35 0.90 N->S HDU2-SDS 1142 .041 .001 0.042 - - .248 0.04 0.33 0.85 Line A A-2 Both HDU2-SDS 1102 .077 .000 0.077 - - .248 0.04 0.36 0.26 A-3 Both HDU2-SDS 0 .000 .000 0.000 - - .000 0.00 0.00 0.00 Line B B-1,2 Both HDU2-SDS 1511 .106 .000 0.136 - - .248 0.04 0.39 0.68 B-1,3 Both HDU2-SDS 1023 .071 .000 0.072 - - .248 0.04 3.36 0.70 Legend: Wall,segment-Wall and segment between openings,e.g. B-3,2=second segment on Wall 3 on Shearline B Dir-Force direction Uplift force(P)-Strength-level accumulated hold-down tension force from overturning,dead and wind uplift.For perforated walls, T from SDPWS 4.3-8 is used for overturning da-Vertical displacements due to the following components: Elong/Disp-Elongation when slippage calculated separately;displacement when combined elongation/slippage used Manuf-Using manufacturer's value for anchor bolt length,or no bolt contribution for connector-only elongation. Unless marked with*=(ASD uplift force/ASD hold-down capacity)x max strength-level elongation or displacement *-Maximum strength-level elongation or displacement is used.May result in higher than actual displacements for lightly loaded hold-downs,causing the segment to draw less force due to lower than actual stiffness. Add-Due to longer anchor bolt length than manufacturer's value,or entire bolt length for connector-only elongation= PL/(Ab x Es); Ab-bolt cross-sectional area; Es=steel modulus=29000000 psi; L=Lb-Lh; Lb=Total bolt length shown in Storey Information table; Lh=Manufacturer's anchor bolt length for given displacement/elongation from hold-down database. Slippage-Due to vertical slippage of hold-down fasteners attached to stud(s)when not combined with elongation Pf=ASD uplift force P/number of fasteners Bolts: = Pf/(270,000 D^1.5) (NDS 11.3.6);D=bolt diameter Nails: =en,from SDPWS Table C4.2.2D using Pf for Vn and values for Wood Structural Panel Shrink- Wood shrinkage= 0.002 x(19%fabrication-10% in-service moisture contents)x Ls Ls=Perp.-to-grain length between fasteners subject to shrinkage,shown in Storey Information table Crush+Extra-0.04"wood crushing at compression end of wall segment plus extra displacement due to mis-cuts,gaps,etc. Total da= Elong/Disp+Slippage+Shrink+Crush+Extra Hold Defl-Horizontal deflection= h/b x da (4th term in the deflection equation SDPWS C4.3.2-1) h=wall height;b=segment length between openings;h,b values in Deflection table.For end segments from force-transfer walls,h is the average of the distance from bottom of opening to top of wall and the wall height. 30 Page 55 of 63