Subtopic Deep Dive
Surrounding Rock Stability in Deep Mining
Research Guide
What is Surrounding Rock Stability in Deep Mining?
Surrounding rock stability in deep mining analyzes deformation, failure mechanisms, and time-dependent behavior of rock masses surrounding underground openings at depths exceeding 1000 meters.
This subtopic focuses on stress redistribution, plasticity, and support strategies in deep coal mines, where high in-situ stresses induce large deformations and rockbursts. Key studies include case analyses from Chinese mines like Xin'An coal mine (Yang et al., 2016, 442 citations) and reviews of ground control technologies (Kang et al., 2022, 265 citations). Over 10 high-impact papers from 1985-2022 document model tests, mechanical properties, and monitoring methods.
Why It Matters
Stable surrounding rock prevents roof falls and sidewall collapses, critical for worker safety in deep coal mines operating below 1000m as documented by Xie et al. (2018, 349 citations) on mechanical responses at extreme depths. Effective support technologies, reviewed by Kang (2014, 211 citations), enable safe roadway maintenance under complex conditions, reducing downtime and economic losses. Rockburst prevention strategies from Dou et al. (2014, 168 citations) mitigate dynamic disasters, supporting high-production mining in ultra-thick seams (Wang et al., 2015, 115 citations).
Key Research Challenges
Large Deformation in Soft Rock
Deep soft rock roadways experience excessive convergence due to high deviatoric stresses and rheological behavior. Yang et al. (2016, 442 citations) detail failure mechanisms in Xin'An coal mine case. Control requires advanced bolt-mesh-cable supports (Kang et al., 2022, 265 citations).
Rockburst Prediction and Prevention
Sudden energy releases cause violent failures in high-stress environments around deep openings. Dou et al. (2014, 168 citations) propose monitoring based on lab-field tests for forecasting. Integration of microseismic data with stress analysis remains challenging (Kang et al., 2022, 265 citations).
Time-Dependent Rock Behavior
Creep and viscoplasticity lead to progressive deformation over mining cycles. Model tests by Li et al. (2015, 210 citations) reveal failure in thick top coal roadways. Numerical modeling of stress redistribution needs better calibration with field data (Xie et al., 2018, 349 citations).
Essential Papers
A case study on large deformation failure mechanism of deep soft rock roadway in Xin'An coal mine, China
Sheng‐Qi Yang, Miao Chen, Hongwen Jing et al. · 2016 · Engineering Geology · 442 citations
Rock mechanics for underground mining
G Borquez, J Folinsbee, M De Freitas et al. · 1985 · International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts · 398 citations
Study on the Mechanical Properties and Mechanical Response of Coal Mining at 1000 m or Deeper
Heping Xie, Mingzhong Gao, Ru Zhang et al. · 2018 · Rock Mechanics and Rock Engineering · 349 citations
Mechanical behaviors of coal measures and ground control technologies for China's deep coal mines – A review
Hongpu Kang, Fuqiang Gao, Gang Xu et al. · 2022 · Journal of Rock Mechanics and Geotechnical Engineering · 265 citations
This paper reviews the major achievements in terms of mechanical behaviors of coal measures, mining stress distribution characteristics and ground control in China's deep underground coal mining. T...
Coal Mine Roadway Stability in Soft Rock: A Case Study
Baotang Shen · 2013 · Rock Mechanics and Rock Engineering · 237 citations
Support technologies for deep and complex roadways in underground coal mines: a review
Hongpu Kang · 2014 · International Journal of Coal Science & Technology · 211 citations
Based on geological and mining characteristics, coal mine roadways under complex conditions were divided into five types, for each type the deformation and damage characteristics of rocks surroundi...
Model test study on surrounding rock deformation and failure mechanisms of deep roadways with thick top coal
S.C. Li, Qi Wang, Haijun Wang et al. · 2015 · Tunnelling and Underground Space Technology · 210 citations
Reading Guide
Foundational Papers
Start with Borquez et al. (1985, 398 citations) for core underground rock mechanics principles, then Shen (2013, 237 citations) case study on soft rock stability, and Kang (2014, 211 citations) review of support technologies.
Recent Advances
Study Kang et al. (2022, 265 citations) on deep coal mine behaviors, Wang et al. (2021, 174 citations) on gob-side entries, and Yang et al. (2016, 442 citations) for deformation mechanisms.
Core Methods
Physical model tests (Li et al., 2015), FLAC numerical simulation of plasticity, microseismic monitoring (Dou et al., 2014), and bolt-mesh-cable support design (Kang, 2014).
How PapersFlow Helps You Research Surrounding Rock Stability in Deep Mining
Discover & Search
Research Agent uses searchPapers and citationGraph to map 250M+ papers, starting from Yang et al. (2016) on Xin'An mine deformation to find 50+ related works via exaSearch on 'deep soft rock roadway stability'. findSimilarPapers expands to Kang et al. (2022) review for ground control advancements.
Analyze & Verify
Analysis Agent employs readPaperContent on Xie et al. (2018) to extract mechanical property data at 1000m depths, then runPythonAnalysis with NumPy/pandas to plot stress-strain curves and verify via CoVe chain-of-verification. GRADE grading scores evidence strength for rockburst models from Dou et al. (2014).
Synthesize & Write
Synthesis Agent detects gaps in support tech for ultra-deep mines by flagging contradictions between Shen (2013) case study and Kang (2014) review, generating exportMermaid diagrams of failure mechanisms. Writing Agent applies latexEditText, latexSyncCitations for Yang et al. (2016), and latexCompile for full geomechanics reports.
Use Cases
"Analyze stress data from deep coal mine papers using Python to model deformation."
Research Agent → searchPapers('deep mining stress') → Analysis Agent → readPaperContent(Xie et al. 2018) → runPythonAnalysis(pandas plot of mechanical properties) → matplotlib stress-strain graph output.
"Write LaTeX report on surrounding rock support strategies with citations."
Synthesis Agent → gap detection(Kang 2014 vs Shen 2013) → Writing Agent → latexEditText(structure report) → latexSyncCitations(10 papers) → latexCompile → PDF with diagrams.
"Find GitHub repos with numerical models for deep rock stability simulation."
Research Agent → citationGraph(Yang 2016) → Code Discovery → paperExtractUrls → paperFindGithubRepo(FLAC3D models) → githubRepoInspect → verified simulation code snippets.
Automated Workflows
Deep Research workflow systematically reviews 50+ papers on deep roadway stability: searchPapers → citationGraph → DeepScan(7-step analysis with GRADE checkpoints on Yang 2016 deformation data). Theorizer generates hypotheses on rockburst from Dou 2014 + Kang 2022, outputting structured theory report. DeepScan verifies model test results from Li 2015 via CoVe on physical-numerical comparisons.
Frequently Asked Questions
What defines surrounding rock stability in deep mining?
It examines rock deformation and failure around openings deeper than 1000m under high in-situ stress, central to preventing collapses (Xie et al., 2018).
What are main methods for analysis?
Model tests (Li et al., 2015), numerical modeling of plasticity, and field monitoring of microseismicity (Dou et al., 2014) quantify stability.
What are key papers?
Yang et al. (2016, 442 citations) on soft rock failure; Kang et al. (2022, 265 citations) on ground control; foundational Borquez et al. (1985, 398 citations) on rock mechanics.
What open problems exist?
Predicting time-dependent creep in heterogeneous rock masses and integrating real-time monitoring for dynamic support adjustment (Kang et al., 2022).
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