龍門山礦區(qū)地應力測定與反演研究.pdf

1、分類號：密級：學號：6120100202單位代碼：10407碩士學位論文論文題目:龍門山礦區(qū)地應力測定與反演研究龍門山礦區(qū)地應力測定與反演研究研究方向巖土工程監(jiān)測與控制巖土工程監(jiān)測與控制專業(yè)名稱巖土工程巖土工程研究生姓名鐘健導師姓名、職稱饒運章饒運章教授2013年5月29日江西贛州江西贛州IIAbstractLongmenmountainminingareahadnopriwkcarriedoutbefetheiginalrockstr

2、essmeasurement.Insufficientknowledgefthreedimensionalgeostressacteristicsdistributionalregularityoftheminingareaespeciallyinminingareasizedirectionofgeostress.Asindeepmininginitialgeostressplaysanimptantroletoundergrmini

3、ng.Inthispaperthroughonsitestressreliefmethodbyovercingfthedeterminationconfiningpressurecalibrationtesttheeticalanalysisinversionofinsitustressinitialstresswerestudiedinminingarea.(1)Setofholestressreleasemethodwasappli

4、edtothreethreepointsinthecentralpartoftheminingareawastestedgetthethreepointsofThreedimensionalinitialgeostressstate.Groundstressfieldtheregularityoftheminingareahasacertainundersting.Establishaminingareainplatfm.(2)Accd

5、ingtoDataresultsofthestressreliefmethodbyovercingtocalculatethestressellipsebasedontheanalysisofstressellipsetomineroadwaystabilityMiningareaofdeepgroundstressstateisobtainedbygeostresstestresultsanalysiswhichwillprovide

6、ascientificbasisfundergroundengineeringdesignconstructionProducesuchasthestabilityofroadwaymaintenancedeeproadwaydesignotherprojects.(3)Rockgravitytectonicstressastheindependentvariablecombinedwiththegeostressmeasurement

7、.Applyofmultipleregressionequationofgeostressinversion.Therewasnosignificantdifferencewiththeactuallymeasuredvaluethemultivariateregressionequationwiththeengineeringpractice.Canbeusedasfunctionthroughouttheminingareagrou

8、ndstressfield.Undertheconditionoftheiginalrockstresstestdatacantbeprovidemetheminingareagroundstressinversioncanthinkcanmeettherequirementsofthemineundergroundengineeringnumericalsimulation.Keywds:Longmenmountainminingar