这下载信息-海带固定套管技术在临时探放水中的应用

1No.120081ShanxiCokingCoalScience&TechnologyJan.2008(),,,,;;;;,,,,,,,,,,,,()(60)(0.25MPa)(),,1(),,(1):1,3(89mm),,2.53.5m,60cm8mm,6,,,3,0.61MPa,1.6,2(20mm),1),,(90%:19701995030205)2),3),,,(),,,20cm4),,,5)36),3,,(0.3MPa),30min,,,7)0.51.0m(1.8m20mm18mm,50kN/cm2),,3:,,25m,2030cm,,29%,,,,3PH57,,,,,60,,50cm,,,,,,,,,,,,,50kN/cm2,,,,,,,,,,,,,4,10315124062231012108,1722m,58h,,0.26MPa,2.54.0m,3,,,,,,2007-12-14ApplicationonUsingKelptoFixCasinginTemporaryProsepectingandDrainageWaterYangGaofengAbstractInthetemporaryprospectinganddrainagewaterofcoalmine,itisthekeytofixthesafetycasinginthetopofdrilledhole.Malanmineimprovesthesafetydeviceinthetopofdrilledholeandtechnology,useskelptofixcasing.Manyexperimentsprovethatthetechnologyoffixingcasingwithkelpcanshortenprojecttimelimit,sim2plifycraft.Theeffecttowater-sealisbetter.KeywordsProspectinganddrainagewater;Safetydeviceinthetopofdrilledhole;Kelp;Fixation;Casing7320081: