Retaining Wall Tie Back Anchors
Ground Helical Piers or Screw Anchors --Introduction
Helical piers, also known as helical anchors, piles or screw piles, are deep foundation solutions used to
secure new or repair existing foundations. Due to their design and ease to install, they are most commonly
used whenever soil conditions prevent standard foundation solutions. Instead of requiring large excavation
work, they thread into the ground. Helical piers are round or square, tubular or bar steel shafts with round
helix plates welded to them.
Ground Helical Piers or Screw Anchors--Features
.A time-proven, versatile, and technically sound system.
· Lower cost and faster installation than other methods
· Installs quickly with small or handheld equipment.
· Can be installed in limited-access areas or tight access.
· Site cleanliness and minimize damage to landscape.
· Soil load bearing capacity is tested during installation.
· Helical anchors available with single, double and triple helix blades.
Ground Helical Piers or Screw Anchors--Specification
Shaft | size | 2 7/8" Tubular-0.203"wall |
2 7/8" Tubular-0.262"wall | ||
3 1/2" Tubular-0.300"wall | ||
4 1/2" Tubular-0.337"wall | ||
1 1/2" Square Bar | ||
1 3/4" Square Bar | ||
2 1/4" Square Bar | ||
Material | 40Cr ASTM-5140 | |
Helix | Diameter | 8" 10" 12" 14" etc |
Thickness | 3/8", 1/2" etc | |
Material | Q235 (ASTM A-36) | |
Number | 1,2,3,4 or more | |
Finish | Plain, Hot Dipped Galvanized, Painted, Powder Coating etc | |
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