黄土湿陷性影响因素试验分析-(6291)

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1、disrupted,sothatpartofparticlesscatteredintotheporesandoccursredistribution,eventuallyleadingtotheoccurrencedeformationofcollapsibleloess.Finally,UsingIPPimageprocessingsoftwareforanalysisloessslicessamplesofbeforeandaftercollapsibility,theresultsshowthat,afterthecollapsibleofloessthanbef

2、orethecollapsibleofloessmicro-poresincreased31.18%,smallporesincreased54.07%,poredecreased30.49%,largeporedecreased90.14%.Thisshowsthatthecombinedeffectofloessunderpressureandwater,poresofsoilarecompressed,leadtothenumberoflargeporesandporesgraduallyreduced,thenumberofsmallporesandmicro-p

3、oresgraduallyincreased,providedaspaceforcollapsibledeformationofloess.Combinedwithmineralenergyspectrumanalysis,theintroductionoflinearplanningmethodtocalculatethemaincontentofclaymineralscontentinloess，analysisofdifferentareasofcollapsibilityofloessandclaymineralcontentintherelationship.

4、Keywords:collapsedloess；microstructure；collapsiblecauses；quantitativeanalysis；clayminerals；linearprogrammingIII目录第一章绪论................................................................................................................................................11.1选题依据及研究意义..............

5、........................................................................................................11.2国内外研究现状..............................................................................................................................31.3研究内容及技术路线...................................

6、...................................................................................81.3.1主要研究内容.......................................................................................................................81.3.2研究技术路线...............................................................

7、........................................................9第二章黄土湿陷试验及试验数据分析.....................................................................................................102.1试验土样来源背景...............................................................................