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SSTB® Anchor Bolts

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Installation

View step-by-step installation instructions

The SSTB is designed for maximum performance as an anchor bolt for holdowns and Strong-Wall® shearwalls. Extensive SSTB testing has been done to determine the design load capacity at a common application, the garage stem wall. Design loads are based on a series of five tests, with a three-times reduction factor. SSTB14 is a 5/8" diameter anchor bolt designed and tested specifically for shallow foundation installations.

The Simpson Strong-Tie™ SSTB™ anchor bolts are now code listed by ICC-ES under the 2006 and 2009 IBC® and IRC® to meet the requirements of the new ICC-ES acceptance criteria – AC 399. ICC-ES ESR-2611 is the industry’s first code report issued for proprietary anchor bolts evaluated to the criteria of AC 399.

Additionally, Simpson Strong-Tie has tested the SSTB anchor bolts per AC 399 for higher loads in slab-on-grade and stemwall-into-the-footing foundations.

Special Features:

Material: ASTM A36

Finish: None. May be ordered HDG; Contact Simpson Strong-Tie.

Installation:

top Gallery:
  roll over images below to see larger image
 
Identification on the bolt head showing embedment angle and model.
   
SSTB16L
(others similar, see footnote #6 below)
SSTB16
(others similar see footnote #7 below)
  SSTB14
(others similar)
SSTB14
Installation Detail
U.S. Patent 5,317,850
Typical SSTB Installation in Concrete Foundation
Maintain minimum rebar cover, per ACI-318 concrete code requirements
Typical SSTB Installation with Mudsill and Holdown Two Pour Installation (SSTB20, 24 and 34) Typical SSTB Installation in Grouted Concrete Block
 
topPlan view of SSTB Placement in Concrete:
  roll over images below to see larger image
 
Corner Installation
(Install with arrow on top of the bolt oriented as shown)
Non-Corner Installation
(Bolt may be installed @ 45° to 135° as shown)
Corner Installation
(Install with arrow on top of the bolt oriented as shown)

topTypical Plan Views of Rebar Installation:
  roll over images below to see larger image
 
Corner Installation Continuous Stemwall End Wall
(See footnote 4)
'

top Load Table: See code report listings below

Table
See Typical Plan Views of Rebar Installation: for installation details
  1. Loads may not be increased for short-term loading. Loads apply to earthquake and wind loading.
  2. Minimum anchor center-to-center spacing is 2le for anchors acting in tension at the same time for full load.
  3. The SSTB was tested in a stem wall with a minimum amount of concrete cover.
  4. Use full table load when installed 24" from the end or installed in a corner condition (see illustrations). When used 5" from the end of a concrete foundation (see end wall graphic), the maximum allowable load is 9045 lbs. for SSTB28, 9585 lbs. for SSTB34 and 36 bolts, and table loads for all other models (these loads are not Code listed - Contact Simpson Strong-Tie for test data).
  5. HDU and HTT minimum end distance is 4 3/8".
  6. Order the SSTBL models (ex. SSTB24L) for longer thread length (16L = 5 1/2", 20L = 6 1/2", 24L = 6", 28L = 6 1/2"). SSTBL and SSTB loads are the same. Not available on SSTB14.
  7. SSTB34 has 4 1/2" of thread and SSTB36 has 6 1/2". These two models are not available in SSTBL versions.
  8. Use 90% of the table load for 2000 psi concrete.
  9. Allowable load for SSTB14 is 5020 lbs. when f'c = 3000 psi.
  10. Minimum end distance required to achieve table loads is le.
  11. Testing to new ICC-ES acceptance criteria to be completed in 2009. Reference this web site for latest loads and information.
top Loads for SSTB14:

3000 psi compressive strength concrete = 5020 lb
2500 psi compressive strength concrete = 3835 lbs

Note: assumes a 9" stemwall, 4 1/2" minimum end distance and 1 3/4" minimum edge distance


top Selection Guide (Per Anchor Bolt Diameter)
Table
  1. SSTBL models are recommended for HDU, HDQ8, and HD holdowns on 2-2x and 3x sill plates. Where SSTB14’s are specified for these products, use SSTB16L.
  2. No cold joint within embedment depth unless provisions are made to transfer the load.
  3. The design engineer may specify an alternate anchorage system, provided the anchor diameter is the same.
  4. Increase the embedment depth 2 1/2" to accommodate the HDC standoff block.
  5. Where noted the allowable load for this application is limited to 4600 lbs. which is less than the published loads for these holdowns.
  6. Where noted the allowable load for single pour is limited to 5175 lbs. which is less than the published loads for these holdowns.
  7. SSTB14 can be used for this application with a 9" stemwall width.
  8. Where noted SSTB20 may be used on 1 1/2", 2" and 3" (post) wood member thicknesses. See (post) wood member thickness info
  9. Where noted SSTB28 may be used on 3" (post) wood member thickness
next  top Code Reports (PDFs):
Legacy Reports
  IAPMO ES ER ICC-ES ESR CITY OF LOS ANGELES STATE OF FLORIDA ICC-ES NER ICC-ES ER ICC-ES ES
SSTBSee specific model numbers for code listings.
SSTB14No code listing: Please contact us for test data.
SSTB16  ESR-2611 RR25827 FL13628   ER-4935
SSTB16L  ESR-2611 RR25827     ER-4935
SSTB20  ESR-2611 RR25827 FL13628   ER-4935
SSTB20L  ESR-2611 RR25827 FL13628   ER-4935
SSTB24  ESR-2611 RR25827 FL13628   ER-4935
SSTB24L  ESR-2611 RR25827 FL13628   ER-4935
SSTB28  ESR-2611 RR25827 FL13628   ER-4935
SSTB28L  ESR-2611 RR25827 FL13628   ER-4935
SSTB34  ESR-2611 RR25827 FL13628   ER-4935
SSTB34LNo code listing: Please contact us for test data.
SSTB36  ESR-2611 RR25827 FL13628   ER-4935
SSTB36LNo code listing: Please contact us for test data.
SSTBLNo code listing: Please contact us for test data.



next  topDrawings: To download drawings, right-click or Ctrl-click on the link, then choose "Save Target As..."
Download the Simpson AutoCad Menu, which allows you to insert Ortho views directly into your AutoCAD drawing.

 ORTHOGRAPHIC
PERSPECTIVE
SSTBNone for this model BP and SSTB: DWG | DXF
HD5A with SSTB: DWG | DXF
Shear Load Parallel to Edge: DWG | DXF
SSTB View 1: DWG | DXF
SSTB View 2: DWG | DXF
SSTB View 3: DWG | DXF
SSTB View 4: DWG | DXF
SSTB14 SSTB14: DWG | DXF
SSTB14 front view: DWG | DXF
SSTB14 top view: DWG | DXF
None for this model
SSTB16 SSTB16: DWG | DXF
SSTB16 front view: DWG | DXF
SSTB16 top view: DWG | DXF
None for this model
SSTB16LNone for this model None for this model
SSTB20 SSTB20: DWG | DXF
SSTB20 front view: DWG | DXF
SSTB20 top view: DWG | DXF
None for this model
SSTB20LNone for this model None for this model
SSTB24 SSTB24: DWG | DXF
SSTB24 front view: DWG | DXF
SSTB24 top view: DWG | DXF
None for this model
SSTB24LNone for this model None for this model
SSTB28 SSTB28: DWG | DXF
SSTB28 front view: DWG | DXF
SSTB28 top view: DWG | DXF
None for this model
SSTB28LNone for this model None for this model
SSTB34 SSTB34: DWG | DXF
SSTB34 front view: DWG | DXF
SSTB34 top view: DWG | DXF
None for this model
SSTB34LNone for this model None for this model
SSTB36 SSTB36: DWG | DXF
SSTB36 front view: DWG | DXF
SSTB36 top view: DWG | DXF
None for this model
SSTB36LNone for this model None for this model
SSTBLNone for this model None for this model

   
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