水泥土参数的估算

[]1002-8528(2009)03-0065-03马军庆1,王有熙1,李红梅1,王广建2(1.武警工程学院建筑工程系,西安710086;2.解放军理工大学,南京210007)[　],,;,、。,、。。[];;;[]TU525;TQ172.7　　　[]AStudyontheRelationsofCement-SoilParameterswithCompressiveStrengthMAJun-qing1,WANGYou-xi1,LIHong-mei1,WANGGuang-jian2(1.CivilEngineeringDepartment,EngineeringCollegeofArmedPoliceForce,Xian710086,China;2.PLAUniversityofScience&Technology,Nanjing210007,China)[Abstract]Tensilestrengthanddeformationofcement-soilareimportantbasisfortheresearchoffailuremechanismandstrengththeoryandtheyalsoimpactthecementcracks,deformationanddurabilityofcement-soilstructure;shearstrengthanddeformationofcement-soilareveryimportantinthedestructionanalysisandfiniteelementcalculations.Thereforeitisnecessarytostudyonthetensilestrength,theshearstrengthandthedeformationofthecement-soil.Basedonpreviousexperiments,therelationsofthetensilestrength,shearstrengthandmodulusofelasticitywiththecompressivestrengthofthecement-soilarequantitativelystudied.Theseallhaveimportanttheoreticalandpracticalvalue.[Keywords]cementsoil;shearstrength;modulusofelasticity;tensilestrength[]2008-05-14[](1982-),,,[][e-mail]1　　,、、、,、、[1-6]。,,、。,。,,[1-9],、。,origin,、,。2　,。,。1[7]、[8][9]。1qu,c,qu～c,1。11,quc,。:25320093建　筑　科　学BUILDINGSCIENCEVol.25,No.3Mar.2009DOI:10.13614/j.cnki.11-1962/tu.2009.03.011c=3.2q0.6u　　　(kPa)(1)1　qu(kPa)c(kPa)φ(°)qu(kPa)c(kPa)φ(°)[7](32.5)[8]2038026.331310428.660513127.967015126.960312423.676917928.077318529.793120427.135588.728.51140285.328.01385289.734.0[7](42.5)[9]2408320.851111728.467115226.470715628.859012126.565714625.471716325.983019629.8142023538.7210030536.9231032538.7　　:[8]、;[9],。1　　1(1),0.965。,(1)。1,φ,26°～39°。,,,φ。:(1),φ=25°～30°,,。(2),φ=27°～32°,,。(3),φ=30°～35°,,。(4),φ=34°～40°,,。3　,。[9][10],2。2qu,E50,2qu～E50。2　qu(MPa)E50(MPa)qu(MPa)E50(MPa)[10]0.274370.48263.40.52474.81.093165.71.554191.81.651223.52.008285.72.393291.8[10][9]2.513330.63.036474.33.450420.73.518541.21.420190.02.100304.02.310413.02　qu～E50　qu～E50,:E50=142qu　　　(kPa)(2)　　2(2),0.940,。,(2)。4　σtqu。[10,11],σtqu0.15～0.25;[12]0.15～0.27;[13]18,(3),0.10～0.35,,0.10～0.23,66建筑科学250.1574。3,σtququ。,,σtqu0.10～0.20。3　σtququ　5　　(1)qucc=3.2q0.6u(kPa);(2),,,φ。,φ=25°～30°,,φ=27°～32°,,φ=30°～35°,,φ=34°～40°。,;(3)quE50E50=142qu;(4)(σtqu)0.10～0.20。[][1]　.[J].,1998,(5):50～52.[2]　,,.[J].,1994,(9):8～13.[3]　Tanaka,H.Behaviourofbracedexcavationsstabilizedbydeepmixingmethod[J].SoilsFound,1993,33(2):105～115.[4]　HonjoY.Probabilisticapproachtoevaluateshearstrengthofheterogeneousstabilizedgroundbydeepmixingmethod[J].SoilsFound,1982,22(1),1982:23～38.[5]　DeSilvaM.S.,ORiordanN.J.,ParryL.N.Trialsfortheconstructionofacementsolidifiedretainingstructureinadomesticlandfillsiteusingdeepsoilmixing[J].EngineeringGeology,2001,60:49～60.[6]　.[J].,2001,17(6):17～19.[7]　.[J].,2003,(6):49～50.[8]　,,.[J].,2004,35(3):490～494.[9]　,,.[J].,2002,(1):32～33.[10]　《》.[M].:,1988.[11]　.[D].,1993.[12]　.、[J].,2003,14(3):3～7.[13]　,.[J].,2003,(4)70～73.673,: