Determination of the Installation Density of Anchors in the Walls of a Working with a Quadrangular Cross Section

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M.K. Shamayev, U.T. Toshtemirov, Sh.M. Alimov, T.E. Melnikova, D.Kh. Berdiyeva, N.A. Ismatullayev

Abstract

To date, a large number of works have been published in domestic and foreign technical literature devoted to determining the main parameters of the roof bolting. However, all these studies did not lead to the creation of a generally accepted theory of rock bolting and the development of an adequate calculation of its main parameters. A method for calculating the anchor bolting for vertical raisers has been developed, including the calculation of the density of anchors for vertical raisers of quadrangular shapes. A formula is proposed that determines the density of installation of anchors in the walls of a vertical working of a circular cross section, covering the radius of the zone of possible falls. The strength of the anchors in the wall of the working can be calculated by the formulas, depending on the type of anchors used.

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