Slope stability application — anchors and shotcrete on site
SERVICE AREAS

Slope Stability

Stabilisation solutions that safeguard natural slopes, excavation faces and retaining structures against sliding, collapse and landslide risks.

OVERVIEW

Keeps the slope in balance,
protects the structure and people.

Slope stability works aim to safely support natural slopes, excavation faces and retaining structures against sliding, collapse and landslide risks.

On sloping terrain, along deep excavation edges and in road/slope cuttings, preserving the stability of the ground is critically important for both working safety and structural safety. Based on stability analyses, Geobim Engineering applies methods such as anchors, soil nailing and shotcrete, individually or in combination, to produce permanent and safe slope solutions.

OUR APPLICATIONS

Our slope stability
solutions.

Select any of the headings below to explore the details of the relevant application.

Soil/rock anchor application — prestressed steel support system
01
Soil / Rock Anchor

Soil / Rock Anchor

An active support system that transfers tensile forces to competent strata at depth by grout-bonding prestressed steel strands or bars into the soil/rock.

Active (prestressed) · Depth ≤ 40 m
Rock & soil slopes Shoring wall support Pull-out test
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Soil nailing — strengthening an excavation slope
02
Soil Nailing

Soil Nailing

An economical, top-down stabilisation method that holds the soil together by placing passive steel bars grout-bonded into the ground on the excavation/slope face.

Passive (non-prestressed) · Ø 25–40 mm bar
Excavation slope stabilisation Economical Staged application
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Shotcrete — slope surface protection
03
Shotcrete

Shotcrete

Sprayed at high velocity onto the surface with compressed air and applicable to irregular surfaces without formwork; an indispensable lining system for slope, excavation and tunnel initial support.

Thickness 50–200 mm · Steel mesh / fibre reinforcement
Surface protection Tunnel initial support Integrated with anchors
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01 — SOIL / ROCK ANCHOR

Soil / Rock Anchor

A soil/rock anchor is an active support system that transfers tensile forces safely to competent strata at depth by placing steel strands or bars into drilled holes, grout-bonding them to the soil/rock and then stressing them through prestressing. This provides stability in slopes, retaining structures and deep excavation walls.

Anchors are widely used to laterally support deep excavation shoring systems, to stabilise rock and soil slopes, to strengthen retaining walls and to reduce landslide risk. Thanks to the ability to apply prestress, they bring structural deformation under control from the very outset.

In anchor applications, Geobim Engineering carries out pull-out tests to determine the bearing capacity; by designing the anchor length, inclination and prestress load specifically for the project, it provides safe and long-lasting stabilisation solutions.

Active Support

Prestressed Anchor

Applies force before the ground moves; ensures stability before deformation occurs. Ideal for critical structures and sensitive areas.

Permanent / Temporary

Corrosion-Protected System

Long-term durability assurance in permanent anchors with double protective sheathing and epoxy coating. Temporary anchors serve throughout the construction period.

Soil/rock anchor application on site
02 — SOIL NAILING

Soil Nailing

Soil nailing is a passive ground strengthening method formed by grout-bonding steel bars placed at defined intervals on the excavation or slope face into the soil and covering the surface with shotcrete. Unlike anchors, no prestress is applied; the nails engage when the soil tends to move, holding the mass together.

Soil nailing is effectively used to stabilise excavation slopes, strengthen existing retaining structures, in road and slope cuttings and to bring landslide-prone areas under control. Being applicable in a staged, top-down manner and being economical make it a preferred choice in many slope stabilisation projects.

In soil nailing applications, Geobim Engineering designs the nail length, spacing and inclination according to stability analyses; by integrating them with a shotcrete surface lining, it creates durable and safe slope systems.

Soil nailing — slope surface strengthening
03 — SHOTCRETE

Shotcrete

Shotcrete is a special type of concrete sprayed at high velocity onto the surface with compressed air, adhering and hardening the moment it is applied. Being applicable to complex and irregular surfaces without formwork makes it an indispensable component of slope protection and support works.

Shotcrete is widely used in the surface lining of soil nailing and anchor systems, in protecting rock and soil slopes, in stabilising excavation faces and in the initial support of tunnels and underground structures. Where necessary, it is applied together with steel mesh or steel fibre reinforcement to increase its strength.

In shotcrete applications, Geobim Engineering determines the mix design, application thickness and reinforcement layout to suit the project; it provides long-lasting surface protection solutions with high adhesion and strength.

01
Surface Preparation Loose soil and rock fragments are cleaned off; drainage holes are opened and reinforcement mesh or fibre reinforcement is placed.
02
Spraying A mix of cement, aggregate and water is applied to the surface at high velocity with compressed air; the desired thickness is reached through layered spraying.
03
Curing & Control The concrete surface is cured to protect it against premature drying; the application thickness and surface integrity are checked.
Shotcrete — slope surface lining application
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