马丽散囊袋水泥浆胶囊封孔瓦斯压力测定技术研究梁家辉

2017－09－0631420170381993－。[e-mail]——065201。——9#。。。。TD712.6A1672－7169201705－0006－06ＲesearchonGasPressureMeasurementwithMerithanBag－Slurry－CapsuleSealingLIANGJia－huiXIEHongTIANJinSchoolofSafetyEngineeringNorthChinaInstituteofScienceandTechnologyYanjiao065201ChinaAbstractWhenthecoalseamwithrelativelydevelopedfracturesisusedforsealingcoalseamstodeterminegaspressuretheholesfordrillingholescannotpenetrateintothefissuresbecauseoftheimpermeablesealingmaterialswhichoftenleadtoproblemssuchastightsealingofboreholesandlowpressureofgrouting.Inviewoftheaboveproblemsusingmerithanbagastheholesealingmaterialmerithanbag－grout－capsulesealingmanometrytechnologyisproposedandappliedtothedeterminationof9#seamgaspressureinamineinLiulinShanxiProvince.Inthismethodmerithanbaghastheadvantagesofstrongpenetrabilitygoodadhe-sivereinforcementadequatereactiontimeeasyoperationandlongerporesealinglength.Inadditionthroughthelaboratoryresearchonthepouringperformanceoftheinjectedslurrytheoptimalratioofthemeas-uredslurryisobtained.Thismethodcanbeusedforabundantdevelopmentofcoalseamfracturetoobtainbet-terpressuremeasurementresults.Keywordsmerithanbagsealinggaspressuremeasurementslurryratio0。、、1。6145201710JournalofNorthChinaInstituteofScienceandTechnologyVol.14No.5Oct.20172。、、、3。——。——－－。1——、1.1——。4－6。1。10min。11.2——2。2——。。1.313m1m。24.5MPa。。75——。5～7m2～3m。3、、。10min。。2。2.12.1.17。。。8。。。2.1.2。。。、、。9。30min。2.2、、、、PC32.5Ｒ、。20℃。、、。500g200ml30min5min3～6。200ml。7～10。1。30.5∶182017541∶151.5∶162∶170.5∶181∶191.5∶1102∶11、、/%/min/h0.5∶10.05∶1555180.1∶1323120.15∶1215111∶10.05∶110100240.1∶1880200.15∶1348141.5∶10.05∶1220.1∶1150.15∶112＞150＞3688172∶10.05∶1260.1∶1230.15∶11813024＞120＞4895——2.3111。11、。10.5∶1、1∶1、1.5∶12∶1。。2。2/%/min/h1∶10.1∶1880200.15∶1348141.5∶10.15∶112881739#4.20～5.82m4.87m5°～7°+690～+780m420～450m0.43。、50m10。1、2232110m3、43910910m5、63912110m——440.0103。3°mmmMPaMPa11∶10.15∶152+69554530.22421∶10.15∶1308+69552510.15231∶10.1∶122+69752510.14441∶10.1∶1338+69753520.01051.5∶10.15∶182+69351500.18461.5∶10.15∶1278+69354530.1523.11、3、52、4、6212～14。312～144MPa2MPa。201201751212133414560.03MPa。72～4。21∶10.15∶1。41——。21∶10.15∶1。1.M－ⅡJ.2015461159－162.2.J.200940474－78.3.3#D.2014.4.J.201120338－39.5.J.2011377106－108.6.J.2008795－97.7.—D.2016.8.D.2008.9.J.2011977－79.10AQ/T1047－2007.115——