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Strong-Wall® High-Strength Wood Shearwalls: Anchorage Solutions

WSWH-AB Anchor Bolts

WSWH-AB anchor bolts in 1" diameters offer flexibility to meet specific project demands. Inspection is easy; the head is stamped with a No-Equal® symbol for identification, bolt length, bolt diameter, and optional “HS” for “High-Strength” if specified.

Material: ASTM F1554 Grade 36; High-Strength (HS) ASTM A193 Grade B7

An additional nut for template installation is provided with each WSWH-AB.

Table: WSWH-AB Anchor Bolts

WSWH-HSR Extension Kit

WSWH-HSR allows for anchorage in tall stemwall applications where full embedment of a WSWH-AB into the footing is required. The head is stamped for identification like a WSWH-AB. Kit includes ASTM A193 Grade B7 high-strength rod with heavy hex nut fixed in place and high-strength coupler nut.

Table: WSWH-HSR Extension Kit

Note: Do not use in place of WSWH-AB.

Table: Total le = WSWH-HSR le + WSWH-AB le + 6 1/2 inches
Drawing: WSWH-AB
WSWH-AB
Drawing: WSWH-HSRXXKT
WSWH-HSRXXKT
Drawing: WSWH-HSRXXKT
WSWH-HSR and WSWH-AB Assembly

Tension Anchorage Solutions — 2,500 psi Concrete1,5,6

Table: Tension Anchorage Solutions — 2,500 psi Concrete

See footnotes under Tension Anchorage Solutions — 4,500 psi Concrete1,5,6.

Tension Anchorage Solutions — 3,000 psi Concrete1,5,6

Table: Tension Anchorage Solutions — 3,000 psi Concrete

See footnotes under Tension Anchorage Solutions — 4,500 psi Concrete1,5,6.

Tension Anchorage Solutions — 4,500 psi Concrete1,5,6

Tension Anchorage Solutions — 4,500 psi Concrete
  1. Anchorage designs conform to ACI 318-14 Chapter 17 and ACI 318-11 Appendix D with no supplementary reinforcement for cracked and uncracked concrete as noted.
  2. Anchor strength indicates required grade of WSWH-AB anchor bolt. Standard (ASTM F1554 Grade 36) or high strength (HS) (ASTM A193 Grade B7).
  3. Seismic indicates Seismic Design Categories C through F. Detached one- and two-family dwellings in SDC C may use wind anchorage solutions. Seismic anchorage designs conform to ACI 318-14 Section 17.2.3.4.3 and ACI 318-11 Section D.3.3.4.
  4. Wind includes Seismic Design Categories A and B and detached one- and two-family dwellings in SDC C.
  5. Foundation dimensions are for anchorage only. Foundation design (size and reinforcement) by others. The registered design professional may specify alternative embedment, footing size or anchor bolt.
  6. Refer to slab on grade, curb, stemwall and interior footing details for W and de as shown below.

Foundation shear reinforcement to resist shear forces from Strong-Wall high-strength wood shearwalls located at the edge of concrete is shown in the table below. The WSWH12 used in wind applications does not require shear reinforcement when the panel design shear force is less than the anchorage allowable shear load shown in the table below.

Shear Anchorage Solutions

Table: Shear Anchorage Solutions
  1. Shear anchorage designs conform to ACI 318-14 Chapter 17 and ACI 318-11 and assume minimum 2,500 psi concrete. See Tension Anchorage Solutions.
  2. Shear reinforcement is not required for interior foundation applications (panel installed away from edge of concrete), or braced wall panel applications.
  3. . Seismic indicates seismic design category C through F. Detached one- and two-family dwellings in SDC C may use wind anchorage solutions. Seismic shear reinforcement designs conform to ACI 318-14, section 17.2.3.5.3 and ACI 318-11 section D.3.3.5.
  4. .Wind includes seismic design category A and B and detached one- and two-family dwellings in SDC C.
  5. Additional ties may be required at garage curb or stemwall installations below anchor reinforcement per designer.
  6. Use (1) #3 hairpin for WSWH18 when standard strength anchor is used.
  7. Use (1) #3 tie for WSWH12 when panel design shear force exceeds tabulated anchorage allowable shear load.
  8. No. 4 grade 40 shear reinforcement may be substituted for WSWH shear anchorage solutions.
  9. Concrete edge distance for anchors must comply with ACI 318-14 section 17.7.2 and ACI 318-11 section D.8.2.
  10. The designer may specify alternate shear anchorage.
Drawing: Hairpin Shear Reinforcement
Hairpin Shear Reinforcement
Drawing: Tie Shear Reinforcement
Tie Shear Reinforcement
Drawing: Hairpin Installation
Hairpin Installation
(Garage curb shown, other footing types similar)

Curb or Stemwall Installation

Drawing: Curb or Stemwall Section View
Curb or Stemwall Section View
Drawing: Perspective View
Perspective View
(Slab not shown for clarity)
Drawing: Footing Plan
Footing Plan

Slab-on-Grade Installation

Drawing: Slab-on-Grade Section View
Slab-on-Grade Section View
Drawing: Perspective View
Perspective View
Drawing: Footing Plan
Footing Plan

Brick Ledge Installation

Drawing: Brick Ledge Section View
Brick Ledge Section View
Drawing: Perspective View
Perspective View
Drawing: Footing Plan
Footing Plan

Anchorage Solutions General Notes

  1. The designer may specify alternate embedment, footing size or bolt grade.
  2. Footing dimensions and rebar requirements are for anchorage only.
  3. See Tension Anchorage Solutions above for W and de and see below for B definitions.
Image: Foundation deign (size and reinforcement) by designer.

Interior Installation

Drawing: Interior Section View
Interior Section View
Drawing: Footing Plan
Footing Plan

Stemwall Extension Installation

Drawing: Section at Stemwall WSWH-AB and WSWH-HSR Extension Application
Section at Stemwall WSWH-AB and WSWH-HSR Extension Application

Anchorage Solutions General Notes

  1. The designer may specify alternate embedment, footing size or bolt grade.
  2. Footing dimensions and rebar requirements are for anchorage only.
  3. See Tension Anchorage Solutions above for W and de definitions.

Anchor Bolt Layout

Table: Anchor Bolt Layout
Drawing: WSWH Plan View Anchorage Layout
WSWH Plan View Anchorage Layout