浅埋厚煤层综放开采地表移动与覆岩破坏规律研究的开题报告.docx

浅埋厚煤层综放开采地表移动与覆岩破坏规律研究的开题报告
【摘要】
浅埋厚煤层综放开采是一种新兴的采煤方式，其优点是高产、高效、低成本，然而也存在一些问题，其中最突出的问题就是地表移动和覆岩破坏。本文旨在研究浅埋厚煤层综放开采过程中地表移动和覆岩破坏的规律，以期为采煤实践提供基础研究支撑。
本文首先梳理了国内外对浅埋厚煤层综放开采地表移动和覆岩破坏规律的研究现状，分析了目前的研究进展，发现尚存在一些未解决的问题。其次，对浅埋厚煤层综放开采的采场结构进行了分析，引入了采场前期、采场中期和采场后期的概念，阐述了各阶段的地表移动和覆岩破坏特点。然后，通过建立数值模拟模型，分析了综放开采过程中的地表移动规律和覆岩破坏机理，探讨了其与采场结构、覆盖层厚度等因素的关系。最后，提出了今后针对未解决问题的研究方向和策略。
本文的研究成果对于浅埋厚煤层综放开采的实践具有一定的指导意义，同时也为该领域的理论研究提供了新的思路和方法。
【关键词】浅埋厚煤层；综放开采；地表移动；覆岩破坏；数值模拟
【Abstract】
Shallowburiedthickcoalseamroadwayandminingisanewcoalminingmethod,whichhastheadvantagesofhighoutput,highefficiencyandlowcost.However,therearealsosomeproblems,themostprominentofwhichisthemovementoftheEarth'ssurfaceandthedamageoftheoverlyingstrata.Thisarticleaimstostudytherulesofthesurfacemovementandtheoverburdendamageintheprocessofshallowburiedthickcoalseamroadwayandmining,inordertoprovidebasicresearchsupportforcoalminingpractice.
Firstly,theresearchstatusquoofthesurfacemovementandtheoverlyingstratadamagerulesofshallowburiedthickcoalseamroadwayandminingathomeandabroadissortedout,andthecurrentresearchprogressisanalyzed,findingthattherearestillsomeunresolvedproblems.Secondly,theminingstructureofshallowburiedthickcoalseamroadwayandminingisanalyzed,andtheconceptsofpre-miningstage,middleminingstageandpost-miningstageareintroduced,andthecharacteristicsofsurfacemovementandoverburdendamageineachstageareelucidated.Then,thenumericalsimulationmodelisestablishedtoanalyzethesurfacemovementrulesandoverburdendamagemechanismintheopen-cutminingprocess,andtherelationshipbetweenthemandtheminingstructure,overburdenthicknessandotherfactorsisdiscussed.Finally,theresearchdirectionandstrategyforunresolvedproblemsinthefutureareputforward.
Theresearchresultsofthispaperhavecertainguidingsignificanceforthepracticeofshallowburiedthickcoalseamroadwayandmining,andprovidenewideasandmethodsforthetheoreticalresearchinthisfield.
【Keywords】shallowburiedthickcoalseam;opencoalseammining;surfacemovement;overlyingstratadamage;numericalsimulation.