Soil Nails are non-tensioned, in-situ reinforcement for the stability of excavations
are non-tensioned, in-situ reinforcement for the stability of excavations and embankments in top-down construction. The Sinorock
is an ideal choice for soil nailing in difficult soils as it offers high installation rates. Hollow bar
elements have gained approval for permanent soil nail use in Europe and have also been used extensively for permanent soil nails in the
United States.
Sinorock Drill Injection Bar Anchors can be used as a choice for pre-tensioned anchors in loose or collapsing soils without the need for a
casing. A free length must be installed onto the anchor if the project specifications call for a pretension load to be applied from the bond
length. Please consult with a Williams specialist for suggestions to properly attach a free length sleeve. Note to Designer: Consult with
Sinorock for an appropriate level of corrosion protection if pre-stressed ground anchors are intended to be used for a permanent application.
Sinorock Drill Injection Bar offer an excellent choice for micro piles in difficult ground conditions where open-hole drilling isn’t
possible. The continuously threaded bar profile lends itself perfectly for restricted headroom applications because the bar can be cut and
coupled at any length. The FHWA has approved hollow bar anchors for permanent use in micro pile applications.
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