氯鹽漬土的變形和強(qiáng)度特性研究.pdf

1、分類號(hào)：!墮g!!：3UDC：鯉!：!!密級(jí)：壘五學(xué)校代碼：10712研究生學(xué)號(hào)：S02105⑧西北農(nóng)林針教大學(xué)2006屆攻讀碩士學(xué)位研究生學(xué)位(畢業(yè))論文氯鹽漬土的變形和強(qiáng)度特性研究學(xué)科專業(yè)蚩工程研究方向巖=王猩理途研究生至丞紅指導(dǎo)教師堂進(jìn)謙完成時(shí)間至QQ魚生!Q旦中國陜西楊凌RESEARCHONTHEDEFORMATIONANDSTRENGTHPROPERrY0FCHLORINESALINESOILABSTRACTThecompos

2、itionofsalinesoilwitllcrystallinesaltinsolidphaseandsaltliquorinliquidphasediffersfromthatofordinarysoilswhichmakesitso、^mcharacterofdeformationandstrengthpropertyWiththedevelopmentofourcountry’Seconomysomelargeandmedium

3、scaleprojectshavetobebuiltacrosssalinesoilareaSOresearchonthedeformationandmechanicalpropertyofsalinesoilisverypracticalThispaperexploressystematicallyitsdeformationandmechanicalpropertyusingchlorinesoilofLouyangloessdis

4、posedindoorsasanobjectofstudyThebasicphysical，chemicalandcompactioncharactersofchlorinesalinesoilhavebeenstudiedanditisrealizedthattheproportionandsaltcontentofclorinesalinesoilhavebetterlinearrelationsTheplasticlimitand

5、liquidlimithavealineardecreasingassaltcontentincreasesCECofgrainsandexchangeNaincreasewithsaltcontentwhoserationismostobviouswhensaltcontentiSbetween3％and8％theoptimumwaterratiodecreaseswithsaltcontentincreasingandthemaxi

6、mumdrydensityof8％salinesoilisthebiggestvalueThecurveofsoilandwaterofsalinesoilwithdifferentsaltcontentanddrydensityiSdeterminedbyusingthepressureplateapparatus，andtheeffectofdrydensityandsaltcontentonmatrixsuctionofsuchs

7、oilisbeenanalyzedAshrinkagetestingapparatusisusedtotestthedehydrationdeformationofchlorinesalineatnormaltemperate(250C)，andwhenthewaterratioisthesame，drydensityandsaltcontenthavebeenchanged，theeffectofdrydensityandsaltco

8、ntentonlineardeformationrationhasbeenanalyzedThreemaindeformationtypesofchlorinesalinesoilexist：shrinkage，swellingshrinkage，expansionTheinitialswellingwaterratioandthetakeoffpointofsaltcontentfromshrinkagetoexpansionarep

9、utforwardAconsolidometerisusedtotestthecompressionandkarstcollapsedeformationofsalinesoilwiththesamedrydensityanddifferentinitialwaterratioandsaltcontent，andtheaffaetingfactorsareanalyzedFurthermoretheinitialkarstcollaps

10、epressurewimdifferentsaltcontentandinitialwaterratiohasbeenputforwardandtheeffectofsaltcontentandinitialwaterratiooninitialkarstcollapsepressureisalsoanalyzedThestretchingresistanceofchlorinesalinesoilwithdifferentsaltan