JB Rock Bolts & SN BOLTS are used in various Hydro Power Projects, Road Projects and Projects of the similar nature to provide strength and durabilty FUSSION BONDED EPOXY COATED & GALVANIZED MATERIALS AVAILABLE as well.
Rock bolts are 15 to 32 diameter bars, inserted in 30 to 60 mm bore holes. They are generally between 3 and 6 meters long.
They may be bonded along their entire length by cement grouting or anchored at various points at the base of the hole using chemical resin or a mechanical anchorage. Rock bolts transfer load from the unstable exterior, to the confined (and much stronger) interior of the rock mass.
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