Anchor Types and Corrosion Protection

Anchor Types and Corrosion Protection

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  5. Anchor Types and Corrosion Protection

DYWIDAG Strand Anchor Systems

Anchor Types and Corrosion Protection

Temporary Anchor

  • Grout Protected Bond Length
  • Greased & PE Extruded Unbonded Length

Typical Uses:
Temporary Applications with a service life of <= 24 Month

DYWIDAG Temporary Anchor

1. Wedge
2. Wedge Plate
3. Bearing Plate
4. Greased & PE or PP Extruded Strand in Unbonded Length
5. Spacers along Bond Length
6. Bare Strand in Bond Length
7. Centralizer


A.Unbonded Length
B.Bond Length

Anchor with Single Corrosion Protection (PTI-Class II)

  • Grout Protected Bond Length
  • Greased & PE Extruded Unbonded Length

Typical Uses:
Anchor in known non-aggressive ground (refer to PTI Recommendations)

Anchor with Single Corrosion Protection (PTI-Class II)

1. Cover Cap
2. Wedge
3. Wedge Plate
4. Bearing Plate
5. Trumpet
6. Greased & PE or PP Extruded Strand in Unbonded Length
7.Spacers along Bond Length
8. Bare Strand in Bond Length
9. Centralizer

A.Unbonded Length
B.Bond Length

Anchor with Double Corrosion Protection (PTI-Class I)

  • Grout Filled Bond Length Encapsulated
  • Greased & PE Extruded Unbonded Length

Typical Uses:
Permanent Application where a pre-grouted sheathing is an advantage

Anchor with Double Corrosion Protection (PTI-Class II)

1. Cover Cap
2. Wedge
3. Wedge Plate
4. Bearing Plate
5. Trumpet
6. Greased & PE or PP Extruded Strand in Unbonded Length
7. Corrugated Sheathing
8. Spacers along Bond Length
9. Bare Strand in Bond Length
10. Centralizer
11. End Cap

A.Unbonded Length
B.Bond Length

Anchor with Double Corrosion Protection (PTI-Class I)

  • Grout Filled Corrugated Sheath Full Length


Typical Uses:
All Permanent Applications

Anchor with Double Corrosion Protection (PTI-Class I)

1. Cover Cap
2. Wedge
3. Wedge Plate
4. Bearing Plate
5. Greased & PE or PP Extruded Strand in Unbonded Length
6. Trumpet
7. Corrugated Sheathing
8. Bare Strand in Bond Length
9. Spacers along Bond Length
10. Centralizer
11. End Cap

A.Unbonded Length
B.Bond Length

Anchor with Epoxy Coated Strand (PTI-Class I)

  • Two Stage Grouted Hole
  • Optional: Corrugated Sheathing (not shown)

Typical Uses:
All Permanent Applications

Anchor with Epoxy Coated Strand (PTI-Class I)

1. Cover Cap
2. Wedge
3. Wedge Plate
4. Bearing Plate
5. Trumpet
6. Option A: Greased & PE/PP Extruded in Unbonded Length
7. Option B: Without Bond Breaker
8. Spacers along Bond Length
9. Epoxy Coated Strand
10. Centralizer

A.Unbonded Length B.Bond Length

Anchor with Epoxy Coated Strand (PTI-Class I)

  • Greased & PE Extruded Unbonded Length
  • Optional: Corrugated Sheathing

Typical Uses:
Large Capacity Permanent Anchors

Anchor with Epoxy Coated Strand (PTI-Class I)

1. Cover Cap
2. Wedge
3. Wedge Plate
4. Bearing Plate
5. Greased & PE or PP Extruded Epoxy Coated Strand in Unbonded Length
6. Trumpet
7. Corrugated Sheathing (Optional)
8. Epoxy Coated Strand
9. Spacers along Bond Length
10. Centralizer
11. End Cap


A.Unbonded Length
B.Bond Length

DYWIDAG-Systems International USA Inc.

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