马丽散加固煤体技术在处理煤壁片帮中的应用雷武林

295Vol．29No．520189JournalofLongdongUniversitySep．20181674-1730201805-0055-047450002017-09-30XYBE1603XYBY102014B－0921986—。S3012。。TD323AApplicationofＲeinforcingCoalTechnologywithMalisaninProcessingＲibSpallingLEIWu-linZHANGJu-fengZHENGChaoYANGＲi-liHEJiang-yiZHOUHua-longCollegeofNaturalＲesourcesLongdongUniversityQingyang745000GansuAbstractTwonewfaultsareexposedinamineS3012fullymechanizedcoalminingfacetheroofisbro-kenfillingcavingspaceisseriousandribspallingbeginstoappearaftercuttingcoalwallworkingfacehasbeeninfullforalongtime．Consequentlytheadvanceofthefaceisslowwhichgreatlyaffectedthesafeproductionoftheworkingface．Practicalresultsshowthatlotsofcoalinjectionadvancehelptorein-forceMarithaninfrontandthereturnairlanesuperfacecanensurethesafetyoftheworkingfaceofnor-malminingcoalwallspallingofgovernancemethodisveryeffectiveitcanserveasareferencefortheminehandlingundersimilargeologicalconditions．KeywordsMarithanribspallingcoalwallstrengtheningbrokencavingspace、、1、、2。S30123。11．1S301233#3．7m0．1～0．6m、、、。。、。。1．2。300m2．6m、、、4。5。、、、6———、。2、、Ⅲ—Ⅳ。7。、81S3012。9。。S30121。1S30122S3012165m35m11。97。1。。。3S301235mS301130m。S30112S3011S30126529。S3012S3011S3012105mS3011S3012。S3011S30122。3A/B1∶1。、、、、、、10。1100MPa2、、1403、420%～30%56。44．1S301256#～63#、65#～80#、80#～85#、86#～96#3m。。4．2。56#～96#5～6m4．0m42mm3。。3S30124．31。2。96#→56#。3Ф=42mm、。4。5。6。72～5。8。4．411《》《》。2。211．0m、2．0m、10m。、。2、755。32m、。31。220m、。420m＜1．0%CO2＜1．5%。5120min3～424。2。31．2m。51。。2。2．0m1．0m30%～40%1．0m1．0m5%。3。2～3h30%10%。6。。。、、、、。。1．J．20092611－14．2．J．2012436703－705．3．J．200735748－50．4．J．2014316831－837．5．J．20059525－27．6．J．200634741－43．7．J．2009402177－179．8．J．20112611－4．9．J．201736578－80．10．J2009287156－160．【】8529