Ground anchors are active structural reinforcements that optimise safety and ground stability, for both temporary and permanent structures.
Anchors are often used in temporary retaining walls to stabilise excavation during the construction phase, or they can even be used as a permanent solution for retaining walls – especially when building in unstable or sloping soil.
A stable borehole is executed to the right diameter and designed length, filled with cement grout and then the anchor (strand or bar with free and bond length) installed. Post grouting can be done after few hours if necessary. The anchor head is then installed and stressing completed.
Temporary anchors, in single-rod or strand anchor configuration, which can be removed fully or partially, are used to secure retaining walls for a maximum of two years. They are quick to install and highly cost-effective. The load-bearing behaviour of each anchor is tested and logged during the acceptance procedure. Strand anchors are delivered to the site in coils, which means they can also be used in tight operating environments.
Permanent anchors are ground anchors usable for longer than two years, and thus part of a permanent structure. Permanent anchors are executed as strand anchors, single-rod corrugated tube anchors or single-rod pressure tube anchors. The steel tendon and anchor head are protected against corrosion by special measures. Each hollow space in the anchor head is filled in with permanently plastic corrosion-proof compound.
SB GeoTechnic has been installing anchors for many years, continually evolving the technique to achieve better performance. Testing and monitoring to ensure high quality execution.
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Advantages of Ground Anchor: Can be executed in any type of soil
Can be executed in any type of soil
Reduces pile diameter, length and distance