自旋錨管技術(shù)在軟巖隧道支護中的研究與應(yīng)用.pdf

1、西安科技大學碩士學位論文自旋錨管技術(shù)在軟巖隧道支護中的研究與應(yīng)用姓名：周楊申請學位級別：碩士專業(yè)：橋梁與隧道工程指導(dǎo)教師：惠興田2011Subject:StudyEngineeringApplicationofSelfscrewedSlipCastingTubeBoltinSoftRockTunnelSupptSpecialty:BridgeTunnelEngineeringName:ZhouYang(Signature)Instruc

2、t:HuiXingtian(Signature)ABSTRACTThetraditionalmtaranchthecurrenthollowslipcastingtubeboltusedwidelyinsoftrocksuppthavetheproblemsthatcan’tsupptimmediatelygroutfully.Howevertheselfscrewedslipcastingtubeboltsolvetheproblem

3、thattheexistinganchboltcan’tsupptimmediatelythespinsilkcarveintotherocktofmmultipointcontactwithfrictionanchingfce.Ithasthegreattheeticalsignificanceengineeringpracticevalue.Basedonthestructureacteristicmechanismofaction

4、oftheselfscrewedslipcastingtubeboltthecalculationofpulloutresistancetheyisdiscussed.Alsothecalculationofpulloutresistancetheyofthehollowslipcastingtubeboltisdiscussedalso.Throughthetheeticalcalculationanalysisitdeducesth

5、etheeticalfmulaofpulloutresistanceoftheselfscrewedslipcastingtubeboltthehollowslipcastingtubebolt.Throughfieldtestswegetmeasuredvalueofpulloutresistancegroutingplumpnesssettlementobservations.Withtheengineeringexamplewed

6、educethatthebendingcapacityoftheselfscrewedslipcastingtubebolthollowslipcastingtubeboltthemtaranchthethebendingcapacitytheeticalfmulavalueofthem.Inthispaperwesimulatetwocasesthatoneadvancedboltcangroutfullythehavetheinit

7、ialanchingfce(selfscrewedslipcastingtubebolt)theotheradvancedboltcan’tgroutfullydon’thavetheinitialanchingfce(hollowslipcastingtubebolt).Finallythispapercomparetheeconomicbenefitsofselfscrewedslipcastingtubebolthollowsli