Selection of Development Method for High–Strength Stone Cutting, Considering Natural Jointing
G. D. PERSHIN, N. G. KARAULOV, M. S. ULYAKOV
Nosov Magnitogorsk State Technical University, pr. Lenina 38, Magnitogorsk, 455000 Russia
Keywords: high–strength stone, preparation technology, rock mass jointing, combination method
Abstract
The authors prove feasibility and efficiency of high–strength solid stone wire saw cutting in rock mass with subvertical and low–angle joints as well as drilling–and–wedge cutting of stone into marketable size blocks on the working site. The article presents and substantiates the procedure for rational selection of technology for high–strength stone preparation for cutting, considering geological conditions (shape of mineral body, orientation and spacing of joints), local temperature, as well as physico-mechanical properties and mineralogical composition of rocks.
|
