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A Study and Application of Methods of Longhole Cutting and Joint-cutting Cartridge in Shaft Excavation Blasting

Author: ZhangYiPing
Tutor: ChenTaoRuï¼›WangMaoLing
School: Central South University
Course: Mining engineering
Keywords: Shaft blasting tunneling Pit Excavation The deep hole stratified blasting law Deep hole protection In deep-hole cut Interval charge Directional Fracture Controlled Blasting Cutting Seam Cartridge Blasting method Coupling coefficient Field test
CLC: TD235
Type: Master's thesis
Year: 2002
Downloads: 230
Quote: 1
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Abstract


In this paper , the practical problems , based on theoretical analysis and field trials shaft efficient, high - quality blast tunneling technology research . Stepped segment straight eyes big hole in the bottom of the hole interval charge deep hole cut blasting method and the method for theoretical analysis , verification test to be applied in practice ; propose and verify a shaft deep hole stratified blasting the idea ; fracture controlled blasting method based on the analysis of small aperture cutting seam cartridge , try cutting seam cartridge method is used in large - aperture water coupling medium , through the mechanism of determining the parameters in the trial proven , draw a large aperture water coupling cut seam Cartridge Blasting ; content of the study guide engineering design , and in practice to good use .

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CLC: > Industrial Technology > Mining Engineering > Mine design and construction > Drilling and blasting works > Blasting
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