soil nails are effective as temporary or permanent geostructural solutions

Designed to be installed horizontally or at a slight angle (20-25°), provide reinforcement for earth retention structures within excavations and on slopes in top-down construction. Installed into a drilled hole and used in combination with plate washers and shotcrete, soil nails are effective as temporary or permanent geostructural solutions.

Soil Nailing Applications

• Temporary and permanent excavation support/retaining walls
• Stabilization of tunnel portals
• Stabilization of slopes
• Repair of retaining walls

  Types of Facing

  The type of facing depends on application and soil type. Current facings include:
• Shotcrete, generally reinforced with either o Welded wire mesh o Rebar o Steel or polyester fibers
• Prefabricated concrete or steel panels

  Corrosion Protection

  Corrosion protection is necessary for long-term temporary and/or permanent works
• Epoxy Coatings
• Polyethylene Sheathing

  Soil Nailing Design Steps

  1. Perform geotechnical site investigation
  2. Evaluate excavation/nailed wall geometry
  3. Check wall stability - internal/external
  4. Incorporate drainage control system with nail wall design
  5. Finalize nailing layout and work sequence

  Suitable Application Media

  is possible in a wide range of materials including:
• Clays
• Sandy soils
• Weathered rock; tallus slope deposits
• Heterogeneous and stratified soils

  Soil nailing is not practical in:

• Soft, plastic clays
• Organics/Peat
• Loose (N less than 10), low density and/or saturated soils
• Fills (rubble, cinder, ash, etc.)

  Soil Nailing Drainage Systems

  Drainage systems are incorporated into the nailed wall, reducing liquid pressure and preventing saturation of the reinforced ground. Drainage systems include:
• Geotextile facing : Drilled in place relief wells
• Slotted plastic collection piping Surface drainage control above and behind the retaining wall is also critical to the system.

  Soil Nailing Quality Control

• Nailing installation sequence o Verification testing - pull test to verify design strengths o Progressive monitoring for design performance
• Conventional movement monitoring o Inclinometers o Optical survey of fixed targets o Shotcrete : Thickness, Strength

Other supplier products

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	For every part of the soil nailing system, each accessory has its own function	For every part of the, each accessory has its own function. Anchor coupling is used to connect two or more soil nailing systems together to extend ...
	soil nails are effective as temporary or permanent geostructural solutions	Designed to be installed horizontally or at a slight angle (20-25°), provide reinforcement for earth retention structures within excavations a...
	Sinorock is special in soil nailing field	is an economical technique for stabilizing slopes and for constructing retaining walls from the top down. The process is based on using ground rei...
	Soil nail are used to attach structures and fixtures to masonry	the face of a rock slope or cut. When securing the face of an excavation, rock bolts are used to support the unstable rock on the surface to the m...

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