Archoring, nailing
The Sycons Ltd. deals with the construction of rigid-core drilled/grouted soil anchors, which are applicable appropriately to the following cases:
- A much cheaper, slightly faster method for supporting excavated steep slopes and embankments than retaining walls, or conventional shoring, guaranteeing the required safety under construction period as well.
- Useful for shoring large trenches, instead of using cutoff walls or diaphragm walls for the same purpose.
- Can make jetcrete surfaces unnecessary, when used for bar mesh and geotextile-supported soil nailing.
- Useful for increasing the load bearing capacity and safety of retaining-, cutoff- or diaphragm walls, which are subject to overload or movements.
- They can be loaded quickly when installed inside structures as micropiles.
Circumstances for application:
Soil anchors with rigid cores (steel bars) can be drilled through any non-metallic, non-wooden building material, including reinforced concrete.
With fast construction it is possible to produce loadable soil anchors in a 24-hour time frame, if necessary.
Short technological walkthrough:
Soil anchors are drilled with continuous cement slurry flushing. Cement slurry is pumped inside the borehole through the central hole of the steel bars. The high-pressure fluid (cemnt slurry) cuts the soil, supports the borehole wall and delivers the cuttings outside. The so-called anchor head is formed during grouting, when cement grout is injected into the completed borehole, at even higher pressure.
When using adequately treated rigid steel bars, a life-span of 120 years can be guaranteed.
