1182023年第2期屯兰矿半煤岩巷掘进机选型与截割工艺研究要华伟(西山煤电(集团)有限责任公司,山西太原030053)摘要根据屯兰矿半煤巷道掘进设备选型存在的切割工艺、围岩稳定性问题,通过对围岩力学分析,采用数值运算分析巷道掘进过程中围岩稳定性,提出后期支护措施,支护措施中锚杆长度不得小于8m。结果表明:选用EBZ-160型掘进机可以满足屯兰矿半煤岩巷掘进要求,采用该设备进行上、下部交替掘进工艺,围岩整体稳定,煤层顶板轻微变形。根据数值运算,顶板竖向最大沉降距离8m,采用的锚杆不得低于8m。关键词岩性分析;设备选型;数值模拟中图分类号TD263.3+2文献标识码Adoi:10.3969/j.issn.1005-2801.2023.02.042StudyonTypeSelectionandCuttingTechnologyofRoadheaderforSemiCoalandRockRoadwayinTunlanMineYaoHuawei(XishanCoalElectricity(Group)Co.,Ltd.,ShanxiTaiyuan030053)Abstract:AccordingtotheproblemsofcuttingtechnologyandsurroundingrockstabilityexistinginthedrivingequipmenttypeselectionofsemicoalroadwayinTunlanMine,throughthemechanicalanalysisofsurroundingrock,thesurroundingrockstabilityintheprocessofroadwaydrivingisanalyzedbynumericaloperation,andthelatersupportingmeasuresareputforward.Thelengthofanchorrodinsupportingmeasuresshouldnotbelessthan8m.TheresultsshowthattheselectionoftheEBZ-160typeroadheadercanmeetthedrivingrequirementsofsemi-coalandrockroadwayinTunlanMine.Byusingthisequipment,theupperandlowerpartsareexcavatedalternately,thesurroundingrockisstableasawhole,andtheroofofcoalseamisslightlydeformed.Accordingtothenumericalcalculation,themaximumverticalsettlementdistanceoftheroofis8m,andtheanchorrodusedshouldnotbelessthan8m.Keywords:lithologyanalysis;equipmentselection;numericalsimulation收稿日期2022-07-08作者简介要华伟(1972—),男,山西临汾人,2010年毕业于中国矿业大学采矿工程专业,高级工程师,现就职于霍州煤电集团有限责任公司,从事矿山安全生产技术及管理工作。要华伟:屯兰矿半煤岩巷掘进机选型与截割工艺研究要华伟:屯兰矿半煤岩巷掘进机选型与截割工艺研究随着科学技术不断发展,矿井巷道掘进技术随之飞速发展。我国专家学者关于巷道掘进技术进行了大量研究,包括设备选型、掘进围岩应力研究等[1-8],设备选型主要依据地质条...