RAY.OFC.SD @Rayofcsd

[email protected] Singapore Joined October 2019

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RAY.OFC.SD @Rayofcsd

6 years ago

Ground support Rock stabilization-Rock and soil

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RAY.OFC.SD @Rayofcsd

6 years ago

rock bolt

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RAY.OFC.SD @Rayofcsd

6 years ago

A steel ring is fixed to the collar end of the tube that will retain a plate on the installed tube to establish a compressive force against the rock.

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RAY.OFC.SD @Rayofcsd

6 years ago

The compression of the high tensile steel "C" shape into a hole diameter smaller than the tube generates a load transfer from the steel to the rock.

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RAY.OFC.SD @Rayofcsd

6 years ago

Friction bolts have been used internationally in mining for decades and are considered the simplest form of ground support available in metal mining.

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RAY.OFC.SD @Rayofcsd

6 years ago

Friction bolts available in either black or hot-dip galvanized. Variety of diameters (34 mm, 40 mm and 47 mm) and various lengths from 600 mm to 3,000 mm

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Simple design Plain, galvanized or stainless steel Effective at any angle Won.t overstress hole Technical assistance by experienced personnel Easier mesh installation One worldwide standard of quality No shelf life limits

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RAY.OFC.SD @Rayofcsd

6 years ago

Maintains plate pressure No special equipment needed No torquing or retorquing Loads rock in compression Grip increases with rock shifts Active axial and radial support Minimal stress concentration

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RAY.OFC.SD @Rayofcsd

6 years ago

Fast easy installation. reduces bolting costs Yieldable support Immediate support Maintains support even if the bearing plate is knocked off Proved by millions of installations No mixing, no pressurizing Visual inspection