综放巷内充填原位沿空留巷技术

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1、Seediscussions,stats,andauthorprofilesforthispublicationat:https://www.researchgate.net/publication/279901032Industrialtestofroad-inpackingforgob-sideentryretaininginfully-mechanizedcoalfacewithtop-coalcavingArticleinZhongguoKuangyeDaxueXuebao/Journalof

2、ChinaUniversityofMiningandTechnology·November2004CITATIONSREADS1292authors,including:LiqiangMaChinaUniversityofMiningTechnology58PUBLICATIONS340CITATIONSSEEPROFILESomeoftheauthorsofthispublicationarealsoworkingontheserelatedprojects:Water-ProtectionCoal

3、MiningViewprojectAllcontentfollowingthispagewasuploadedbyLiqiangMaon24September2017.Theuserhasrequestedenhancementofthedownloadedfile.第24卷第7期岩石力学与工程学报Vol.24No.72005年4月ChineseJournalofRockMechanicsandEngineeringApril，2005综放巷内充填原位沿空留巷技术张东升，马立强，冯光明，缪协兴(中国矿

4、业大学能源与安全工程学院，江苏徐州221008)摘要：针对综放沿空留巷的技术难点，在分析综放沿空留巷围岩结构力学模型的基础上，提出了巷内充填原位沿空留巷的新技术。此项技术有两个关键方面：一是大断面全煤巷道顶煤完整性的维护；二是大体积长距离充填体的整体稳定性控制。对巷内基本支护为梯形金属支架的原有巷道，提出了实施此项新技术的具体方案。现场工业性试验表明，该项技术的应用是成功而有效的，可在类似条件的综放工作面推广应用。关键词：采矿工程；巷内充填；原位沿空留巷；力学模型；锚梁网索联合支护；空间锚栓加固网中图

5、分类号：TD263文献标识码：A文章编号：1000–6915(2005)07–1164–05THETECHNIQUEOFGOB-SIDEENTRYRETAININGWITHENTRY-INPACKINGONITSORIGINALPOSITIONINFULLY-MECHANIZEDCOALFACEWITHTOP-COALCAVINGZHANGDong-sheng，MALi-qiang，FENGguang-ming，MIAOXie-xing(SchoolofEnergyandSafetyEngineeri

6、ng，ChinaUniversityofMiningandTechnology，Xuzhou221008，China)Abstract：Aimedatthetechnicaldifficultiesofgob-sideentryretaininginfully-mechanizedcoalfacewithtop-coalcaving(GERFCTC)andbasedontheanalysisofreasonablemodelofsurrounding-rockstructure，anewtechniq

7、ueofentry-inpackingonitsoriginalpositionisputforward.Therearetwokeyaspects：(1)tomaintaintheintegrityofthetopcoalfortheentrywithlarge-crosssectioninthecoalseam；(2)tocontrolthestabilityofthepackingbodywithlargevolumeandlongdistance.Thenewtechniquewasappli

8、edforaentrywhichwasexcavatedwithnormalcrosssectionsforseveralyears，supportedbyladder-shapedsteelrigidsupport.Theactualstepsareputforward.First，theoriginalentryshouldbereinforcedwithboltswithbars，wiremeshandcable(BBWC)，andtheprima