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Split Sets are an efficient ground support element commonly used in underground installations that work primarily through friction, providing immediate reinforcement. They consist of a longitudinally grooved steel tube, with one end tapered to facilitate easy insertion into a borehole.
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The Split Set is installed by driving it into a borehole with a diameter slightly smaller than the outer diameter of the bolt. This forced insertion generates contact forces between the external surface of the bolt and the inner walls of the borehole.
As the bolt is inserted into the undersized hole, radial forces are created along the entire length of the bolt. These forces generate continuous frictional resistance between the bolt and the walls of the borehole, which provides an immediate and effective anchoring mechanism. This frictional resistance is what gives the Split Set its strength and ability to stabilize the surrounding ground.
Due to their simple design and efficient installation process, Split Sets are widely used in mining operations, tunneling projects, and other underground construction projects. They are valued for providing a quick, cost-effective, and reliable solution for ground reinforcement, ensuring the stability of excavations, tunnels, and other underground structures.
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