Mass Rock Fall Prediction in Zhezkazgan Mines at the Basis of Seismic Regime Analyzing.

Zhezkazgan copper deposit is strongly exploited since 1942. Its typical feature is multilevel mineralization. Mine′s thickness of sedimentary rock. Primary copper supply is from 150 to 450meters in depth. Capacity of ore body is 1,5～30 m; suddenly 30 - 60 meters. High capacity parts of deposit is mined oUt by room -pillar system. Stress state of rock mass of the deposit is characterized by that, what horizontal stresses is higher in 4～ 10 times than vertical stresses, which is caused by weight of straining thickness of sedimentary rock and submeridianally oriented. At present over than 50 thousands of pillars is formed as the result of deposit mining. Mined oUt area is divided on separate parts by over than 400 barrier and chain pillars. Spread of primary traderground tunnels exceeds 1200 kilometers, 540kilometers of the spread is operating mines. Tens of any purposes shafts are exploited with general spread of 45 kilometers. Some its decreasing at last time is caused by filling of emptiness by loosened rock as the result of happening falls at mines (Fig. 1).

作 者： Tomilin N.G Kuksenko V.S Pavlov P.I Setov M.Zh Mansurov V.A   作者單位： Tomilin N.G,Kuksenko V.S,Pavlov P.I(A.F. Ioffe Physic o-Tekhnical Institute, Russian Academy of Sciences)

Setov M.Zh(Siberian Aerospace Academy)

Mansurov V.A(Khazahmis corporation) 

刊 名： CT理論與應用研究  ISTIC 英文刊名： CT THEORY AND APPLICATIONS  年，卷(期)： 2000 9(z1)  分類號：   關鍵詞：  

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