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SAS Stressteel Strand Anchors

 

SAS Stressteel has been successfully manufacturing premium Strand Anchors in various length and sizes for the most demanding applications.

With one of the most sophisticated strand machines available, we are proud to offer domestic and non-domestic strand options to be used in the most challenging projects. From the initial design help to the final product, SAS Stressteel has established itself at the top of the industry.

With various approvals, from the City of LA to the California Transit Authority (DOT), SAS Stressteel Strand Anchors have been chosen to be the perfect solution for a variety of infrastructure projects.

Strand an­chors con­sist of three main com­po­n­ents: the an­chor head, a steel ten­don - di­vi­ded in­to the bond sec­tion and fre­e­length - and the grout bo­dy. The steel ten­don is con­struc­ted from a num­ber of 270K 7-wire pre­stres­sing strands.

Strand an­chors can be clo­se­ly matched to the re­qui­red loads by selec­ting the num­ber of strands, strand cross-sec­tion and steel gra­de. Long an­chor lengths can be pro­du­ced wi­thout joints.

Strand Details

 

SAS Strand Anchor Advantages:  

  • Highest quality strands available (domestic and Non-domestic)
  • Sophisticated Strand Machine ensuring highest industry standard wax and grease process, ensuring individual coverage of each 7 strand wire. 
  • Class 1 (permanent application) and Class 2 (temporary application) corrosion protection available
  • Additional corrosion protection of anchor heads and hardware available, ranging from epoxy coating to hot-dipped galvanizing
  • Shop drawing and engineering assistance to our customers
  • Stressing equipment with up to date calibration available on rental basis
  • Short lead time

 

Applications:

  • Permanent Soil Anchor
  • Temporary Soil Anchors
  • Slope Surface Stabilization
  • Foundations
  • Temporary Support of Excavation 

 

The sys­tem is ea­sy to in­stall due to high an­chor fle­xi­bi­li­ty. Trans­por­ta­ti­on is ef­fi­ci­ent due to low space re­qui­re­ment for trans­port and sto­r­a­ge as an­chors are sup­p­lied coi­led up. 

 

Strand Pallets

     

    Corrosion Protection: 

    SAS Stressteel Strand Anchors are manufactured in accordance with the Post-Tensioning Institute (PTI) Recommendations for Prestressed Rock and Soil Anchors.  SAS Strand Anchors meet all required standards as set forth in ASTM A416.  The following corrosion protection options are availble. 

     

    PTI Class I - Encapsulated Tendon

    Anchorage: Trumpet, Grout or corrosion-inhibiting compound-filled cover if exposed.

    Unbonded Length: Corrosion-inhibiting compound-filled sheath encased in grout, or Grout filled sheath, or Grout-encased epoxy coated strand in a successfully water-pressure tested drill hole.

    Bond Length: Grout-filled encapsulation, or Epoxy Coated Strand Anchors in a successfully water-pressure tested drill hole.

     

    PTI Class II - Grout Protected Tendon

    Anchorage: Trumpet, Grout or corrosion-inhibiting compound-filled cover if exposed.

    Unbonded Length: Corrosion-inhibiting compound-filled sheath encased in grout, or Grout filled sheath, or Grout-encased fully or partially bonded tendon in sound rock or concrete.

    Bond Length: Grout encasement.

     

    Temporary - Up to 24 months

    Anchorage: No trumpets.

    Unbonded Length: Corrosion-inhibiting compound-filled sheath.

    Bond Length: No extra protection required.

    Service Life Chart

     

     

     

    Strand Anchor Properties: 

    Strand Properties

    Ultimate Stress (fpu) =   270 ksi (1,862 MPa)

    Weight per Strand =  0.74 lbs/ft  (1.10 kg/m)

     

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    Strand Anchor Pic
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