水泥混凝土路面不同脱空检测方法识别率的对比方法

:0451-0712(2007)01-0090-04:U41816:B1,2,2,2,2(11150090;21510641):,500mFWD,,,:;;FWD;;,,,;;,,,,,,,1,:(1),,,;(2),,,,;(3),,;(4),FWD,,;(5),,,;(6)[1,2],,,,;,,,,;,111FWDFWD,,:(06A1311358):2006-06-02200711HIGHWAYJan12007No11:()CTR()NCHRP,,AASHTO:,,,FWD,,50Lm,[3]112FWDCTR,FWD,FWD30cm180cm,FWD180cm,2QQ,Q,FWD30cm180cm60916Lm(),Q:Q=(arctan((D30-D180)ö60916)180P(1):D3030cm;D180180cm113(),,1,,,12211,,500m,10137,6487,47FWD2,55,43325,3,,,,,,221920071:2(a),2(b)2(a),,2(b)2(b),2(a),2(b),,,,:(1)364;(2)64,;(3),212,FWD,23mm,15mm3:,3mm33,,,:(1)4,,54125401003=01015m3,6cm(55cm),01015m3,;(2),,,464,5101015m311;40,FWD2351,?34,,51,,,23,4,2920071,5253638999100,;,,91290,,5253638999100623,6,,,6566723,,,,519152536399891007,,:,4044100%=91%FWD,,,(15),FWD23(44-15)=79%3,,,213,2mm4mm,:(1)2mm,9113%,FWD8015%;(2)4mm,3mm66,,,,,,FWD3mm,,,,,,3,,,:(1),;(2),FWD;(3):[1],,1[J]1,2004,(12)1[2],,,1[J]1,2005,(8)1[3]MukhtarMT,DempseyBJ1InterlayerStressAb2sorbingComposite(ISAC)forMitigatingReflectionCrackinginAsphaltConcreteOverlays[D]1CIVILENGINEERINGSTUDIES,19991[4],,,1[J]1,2005,(3)1[5],,,1[J]1,2005,(7)13920071::0451-0712(2007)01-0094-05:F540131:B(400042):GDP,;,,,,,:;;1111,,1997314,;,,2005,750km,(:;:)750km,40%;,()112,,:2006-07-31ContrastandVerificationofIdentifyingRatiosofDifferentVoidDetectiveMethodsofCementConcretePavementXUEZhong-jun1,WANGDuan-yi2,ZHANGXiao-ning2,LIZhi2,QIULi-zhang2(11SchoolofCommunicationsScienceandEngineering,HarbinInstituteofTechnology,Harbin150090,China;21RoadEngineeringResearchInstitute,SouthChinaUniversityofTechnology,Guangzhou510641,China)Abstract:Severalvoiddetectivemethodsofthecementconcretepavementareverifiedbygroutingquantity1FWDandacoustic2vibrationmethodareusedindetectionofa500mlengthrigidpavementoftestroad1Differentidentifyingratioofvoiddetectivemethodsoftheconcretepavementaregainedbycom2paringthegroutingquantityofeachdrillhole,whichcanofferthebasisforcontractortochoosebefittingdetectiveway1Keywords:cementconcretepavement;voiddetection;FWD;acoustic2vibrationmethod;identify2ingratioofvoiddetection200711HIGHWAYJan12007No11