Stability control and comprehensive monitoring technology of broken rock of large-scale metal mine below the seafloor

内容简介

本书结合著作者在三山岛金矿长期的工程经验，系统的总结了大型海底金矿地质隐患的探测、处理技术及监测技术，可为海底金矿的安全高效开采提供技术支撑，主要内容包括海底资源开采概述、三山岛金矿西南翼矿段工程地质评价及三维模型、应力-渗流耦合作用下的破碎矿岩物理力学特性及本构模型、海底基岩开采隐伏采空区及塌陷区分布、海底破碎矿岩及采空区充填注浆加固技术、基于多源信息融合的破碎矿岩稳定性评价、海底破碎矿岩稳定性多元立体综合监测系统及海底破碎矿岩稳定性监测数据分析。

目录

1 Summary

1.1 Overview of marine mineral resources

1.2 Development history of submarine bedrock deposit mining

2 Engineering geological evaluation and  three-dimensional model of the southwest area of Sanshandao Gold Mine

2.1 The geographical location of Sanshandao Gold Mine

2.2 Introduction of ore block in southwest area

2.3 Distribution characteristics of overlying strata in southwest wing ore block

2.4 Distribution characteristics of regional faults

2.5 Three dimensional model of ore block in southwest area

3 Physical and mechanical properties and constitutive model of fractured rock under the coupling of stress and seepage

3.1 Processing and preparation of rock sample

3.2 Study on porosity of rock sample

3.3 Experimental study on stress seepage coupling of the rock sample

3.4 Construction of stress seepage coupling constitutive model

4 The distribution of buried goaf  and subsidence area in submarine bedrock mining

4.1 Field survey of goaf and subsidence area

4.2 Drilling to survey goaf

4.3 Geological radar detection

5 Filling grouting reinforcement technology for seabed broken rock and goaf

5.1 Determination of filling grouting position

5.2 Retaining engineering stability control measures

5.3 Grouting reinforcement technology of Large Dosage Fly Ash-cement mixture

6 Stability evaluation of broken ore and rock based on multi-source information fusion

6.1 Simulation analysis of rock mass stability in the southwest area

6.2 Quantitative evaluation of broken rock stability based on multi-source information fusion

7 Multidimensional comprehensive monitoring system for the stability of seabed fractured ore and rock

7.1 Design principle of the monitoring system

7.2 Content and technical route of monitoring design

7.3 Equipment selection of monitoring system

7.4 Construction of field monitoring system

7.5 Security threshold analysis of monitoring system

8 Analysis of monitoring data of seabed broken ore and rock stability

8.1 -165m level safety monitoring data analysis

8.2 -240m level safety monitoring data analysis

8.3 -320m level safety monitoring data analysis

8.4 Analysis of microseismic monitoring data

References