包邮金属矿复杂矿体开采技术
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- ISBN:9787502493967
- 装帧:一般胶版纸
- 册数:暂无
- 重量:暂无
- 开本:24cm
- 页数:226页
- 出版时间:2023-03-01
- 条形码:9787502493967 ; 978-7-5024-9396-7
内容简介
本专著以我国典型金属矿开采过程中的技术难题为出发点,内容涵盖∶金属矿全面法矿柱群安全开采、缓倾斜薄矿体、缓倾斜极薄矿体开采等系列技术难题。本书从现场调研、室内试验、理论分析、数值模拟和现场工业应用相结合的研究手段,实现了上述矿体的安全高效开采。 本专著适用于采矿一线技术人员,同时也适用于高等学校的研究生、研究院所的工程师等。
目录
Chapter 1 Geological Summary of the Deposit
1.1 Summary of the deposit
1.1.1 Introduction
1.1.2 Overview of the mine site
1.2 Deposit geology
1.2.1 Stratigraphic
1.2.2 Structures
1.2.3 Intrusive rocks
1.2.4 Metamorphism
1.2.5 Mineralized alteration
1.3 Orebody characteristics
1.3.1 Size of deposit
1.3.2 Orebody features
1.3.3 Ore characteristics and optionality
1.4 Mining technical conditions
1.4.1 Hydrogeological conditions
1.4.2 Engineering geological conditions
1.4.3 Environmental geological conditions
Chapter 2 Basic Research on Rock Mechanics
2.1 Background
2.1.1 Introduction
2.1.2 Overview of the mine site and geological conditions
2.1.3 Deposit geology
2.1.4 Technical conditions for the mining of the deposit
2.2 Laboratory test of rock physics and mechanics
2.2.1 Tensile strength test
2.2.2 Shear strength test
Chapter 3 Optimum Mining Scheme for Thin Vein Recovery
3.1 Status of mining of gently inclined thin ore bodies
3.2 Determination of stope for mining test of gently sloping thin ore body
3.3 Optimization of mining method in test stope of gently inclined thin ore body
3.3.1 Scheme 1: Anchor rod + wear-and-trap roof-protecting stripe bilateral throwing overall mining method
3.3.2 Scheme 2: Anchor rod + wear belt, roof protection, single-side throwing overall mining method
3.3.3 Scheme 3: Zoning overall mining method
3.3.4 Comparative analysis of the three schemes
3.4 Loss and dilution control measures
3.4.1 Measures to reduce dilution
3.4.2 Loss reduction measures
Chapter 4 Optimization Scheme of Stope Structure Parameters in Trial Stope
4.1 Introduction
4.2 Numerical simulation of slope structure parameters
4.2.1 FLAC 3D introduction
4.2.2 Scheme setting
4.2.3 Modelling
4.3 Simulation calculation and analysis of structural parameters of test stope
4.3.1 Condition 1: The thickness of the ore body is 0.5m, and the width of the column is 1.0m
4.3.2 Condition 2: Orebody thickness 0.5m, strip pillar width 0.5m
4.3.3 Condition 3: Orebody thickness 1.0m, strip pillar width 1.0m
4.3.4 Condition 4: Orebody thickness 1.0m, pillar width 0.5m
4.3.5 Comparative program analysis
Chapter 5 Optimisation of Blasting Parameters for Thin Ore Body Test Stope
5.1 Current status of blasting of slowly inclined thin veins in China
5.2 Rock damage mechanisms under blasting action
5.2.1 Clamping effect of thin ore body blasting
5.2.2 Mechanism of throwing blast action
5.3 Numerical simulation of blasting parameters in stopes
5.3.1 ANSYS/LS-DYNA introduction
5.3.2 Material model selection
5.3.3 Numerical simulation calculation
Chapter 6 Ground Pressure Testing and Experimental Study of Ground Pressure Law in the Reclamation Area
6.1 Experimental study of pressure testing in extremely crushed mining sites
6.1.1 Status of research on the stability of extremely unstable roof quarries at home and abroad
6.1.2 Mining site pressure appearing characteristics investigation
6.1.3 Ore rock stability evaluation and classification
6.2 Mechanism of mechanical action of surrounding rock and filling body
6.2.1 Mechanism of physical action between surrounding rock and filling mechanics
6.2.2 Uniaxial compression test of rock surround and fill specimens
6.2.3 Triaxial compression test of rock surround and fill specimens
6.3 Study on support process of test mining site
6.3.1 Theoretical basis and basic principles of fractured rock support
6.3.2 Quarry roof support design
6.3.3 Test mining site support program
6.3.4 Long anchor cable support process
6.4 Stability displacement and stress monitoring of key parts of the test quarry and roadway
6.4.1 Monitoring purpose
6.4.2 Basic
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