高地應(yīng)力巷道圍巖破壞特征及支護(hù)機(jī)理試驗(yàn)研究.pdf

1、河北工程大學(xué)碩士學(xué)位論文高地應(yīng)力巷道圍巖破壞特征及支護(hù)機(jī)理試驗(yàn)研究姓名：洛鋒申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：采礦工程指導(dǎo)教師：楊本生2011AbstractIIAbstractAsproductiontechnologylevelincreasedsteadilytheconstantexpansionofhumanactivitythescaleamountofundergroundengineeringisincreasedincreasi

2、ngly.Undergrounddeepconstructionhasbecometheinevitablechoiceofengineeringprojectactivities.Butdeeplargeundergroundengineeringconstructionwillbringaseriesoftechnicalproblemsofhighgroundstress.Especiallyhighgroundstressbro

3、ughttodifficultbracingproblemwhichisbecominganimptantsubjectthatdeepundergroundengineeringfacetoberesearchedsolved.Italsolimitedthescalespeedofdeepundergroundengineeringconstructiontosomeextent.Inpresentwestillcannotunde

4、rstanalyzethesephenomenaadequately.Accdingtothestresscomplexityfailureacteristicsofdepthsurroundingrockpresentresearchisstillnotmature.Soresearchofthefailureacteristicsstabilitycontrolofroadwaysurroundingrockhasbecomeapr

5、oblemwhichneededtobediscussedoftheengineeringconstructionunderhighgroundstress.Inthispaper“StudyontheComprehensiveControlTechnologyofComplexStressLargeDefmationChamberGroupinXiewangCoalMine“astheblueprinttheexperimentalt

6、echniqueofselfdevelopedCM6010planestraintestbedcombinedwithtriaxialservotesterCM25018planestresstestbedwasusedtoresearchfailureacteristicssupptingeffect.FLAC3Dnumericalsimulationwasusedtomakecontrastverificationwiththeph

7、ysicalexperimentsimulation.Experimentalresearchonthefailureacteristicssupptmechanismofsurroundingrockunderhighgroundstresswasaccomplishedbytheabovetechnicalmeans.Thesurroundingrockstressdistributionfailureacteristicsdisp

8、lacementdefmationofthesingleroadwaywithoutsupptwasanalyzed.Supptingeffectofboltmeshinjectionbaseangleanchsupptsimplesupptwascomparedthefmerwasusedintoindustrialtest.Themainresearchcontentsconclusionareasfollows:(1)Thecon