采空区大型工业建筑关键理论与应用研究

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1、Y1532000博士学位论文采空区大型工业建筑关键理论与应用研究ResearchOUApplicationTechnologyandKeyTheoryofLargeIndustrialBuildingaboveGoaf学科建筑工程专业结构工程研究生绫登刿天津大学建筑工程学院二OO七年五月ABSTRACTCoalisoneofthemainresourcesinChina．Amassiveandwiderangeofgoafisformedinwholecountryafteryearsofexploitation．Withthehi

2、ghincreaseofnationaleconomy,thelandresourcesaremorepreciousthanbefore．Meanwhile，asmanyexploitationenterpriseshavechangedtheirdevelopmentdirectiontosatisfythedemandofcontinualdevelopment．Manyindustrialconstruction，civilconstructionandtrafficengineeringneedtobeconstructe

3、daboveoldandnewgoaf．Butthegoafmaybeactivated，andthenthedeformationwhichwillharmtheprojectsconstructedheremaybeincreasedandspeededbytheadditionalloadonthegoafsurface．Thereisstillalackofsystemicstudyandprojectpracticeconcerningaboveissuebyfar．Thusresearchonsystemiccontro

4、landengineeringtechnologyapplicationaboutgoafisimportantandurgent．Inthispaper，thedestructiveruleofgoafandcharacteristicofearth’Ssurfaceshiftwereintroducedandinvestigated．Thestabilityofgoafhasbeenanalyzedbythenon-linearfiniteelementmethod．Technologyoffoundationtreatment

5、forbuildingconstructedabovelarge—scaledgoafisformedcombiningwithpractice．Itisanewassignmenttoconstructagreatcementindustrialconstructionabovegoaf．Themaindifficultyisthatthestructuralloadincludingstaticanddynamicisheavy,andtheprojectissensitivetosedimentation，whichrequi

6、redthattheasymmetricsedimentationisnotmorethan10mm／60m．Moreover,theconditionofgeologyiscomplicated，thegoafthatwillbeusedasconstructedlandhaveexistedformanyyearsandtherockscoveringthepeakofgoafaresoftrocks．Atlast，thereisnoexperiencethatcanbelearnedfrom，becausethelanduse

7、dbytheprojectdoesnotagreewiththestipulationpromulgatedbycurrentrelationaltechnicalstandard．Thereisnotprecedentforconstructinga2500t／dlargecementindustrialconstructionabovegoafinhomeland，andthereisalsonotconcerningreportpublishedinoverseas．Consideringthecharacteristicof

8、thelandandthespecialtypropertyoftheproject,thefollowingresearchhasbeencarriedoutbythispaper：1．Appliedsyntheticallyman