外文翻译--关于倾角煤层挖掘巷道的锚杆支护的研究--

《外文翻译--关于倾角煤层挖掘巷道的锚杆支护的研究--》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、英文原文抢璜怊惝鞯瓮釜鞴缳汞STUDYONGATEWAYBOLTINGEXCAVATEDIN回康淹询博粽囔伪松蓿INCLINEDCOALSEAM券藜你倪罹糁圯惮赤纰(NortheasternUniversity,Shenyang110006)鞭狍梗土敦帼北垅党迹(ChengduUniversityofTechnology.Chengdu610059)踩粗弑涸庇哂踽挂轸眨Abstract：憩岿镁焖阎度嶙衤苫感Atypicalgatewayisanalyzedusingfully-deformablediscreteelementmethod.Thefracturedzonearoundthega

2、tewayismeasuredinfield.Basedonthemeasurementresultsandtheoreticalanalysis,acomprehensivesupportschemeadoptingboltandsteelbeltisproposed.Discreteelementmethodisusedtoassestheboltingscheme,anddisplacementmonitoringinfieldisalsocarriedout.Havingbeenputintopractice,itisprovedthattheschemeisbothsuccessfu

3、landrational.Accordingtotheoreticalanalysisandmonitoringinfiled,someimportantkeynotesthatshouldbenoticedingatewayboltingpracticearepresentedaswell.铿昝敖壁淖痊迈信衍欢Keywords:inclinedseam;gateway;stratabehavior;bolting;discreteelementmethod悔锋酐堇地陡喁嗥乳住Introduction畦胆锿褴蛐醣錾绢撅识Inclinedcoalseamisgenerallyregardedas

4、seamwithadipsingle25~,whichoccupiesaconsiderableproportioninbothproductionandreservesinChina.Problemsrelatedtostratacontrolare,however,seldomstudied,andresearchesonin-seamgatewayareeven.鲇京氛彷巩锛偈汜政废Themaintenanceexpenseofgatewayininclinedseamisgenerally30%higherthanthatinnearlyflatandgentlyinclinedsea

5、m.Thereasonwhythereexistsasuchphenomenoniscomplicateditself,anotherpossiblereasonisthelackoftheinherentstratabehaviorlaw.羼士颓侉爱图盟腔甬晟Atpresent,problemsrelatedtoin-seamgatewaymaintenancearehighlyemphasizedandmanystudiesonstratabehaviorandsupportofgatewayarecarried.Suchresearchesplayapositiveroleingatew

6、aymaintenance.偻跺殊楣疠姻积飓掩考Howevermostoftheresearchesarecarriedoutinflatorgentlyinclinedseams.Duetotheirlocatinginremarkablyanisotropicmediaandenvironment,gatewaysininclinedseamsareoftensubjectedtounfavorableloadsanddeformunevenly,stratamovemoreintensivelythanthatingentlyinclinedseam,andthebrokenregion

7、isalsolarge,whichmakesgatewaysupportevenmoredifficult.菥蕴房鞋藕甄无佴硗九Inviewoftheabove-mentionedfacts,weusefullydeformablediscreteelementmethodinsimulatingstratabehaviorofgatewayininclinedseam,andtheloosedz