广东省桥梁桩基检测技术的发展及探讨

120032TechnologyofHighwayandTransportNo.1Feb.2003:2002-02-10:(1973-),,,,.(510510),,AbstractThispaperdiscussestheprinciplesofvariouspilefoundationinspectiontechnologiesandtheappli2cationtothebridgepilefoundationinspectionofGuangdongProvince.Theservicescopesandanalyticalmeth2odsofthesetechnologiesarecomparedwitheachother.Wehopeitwillbehelpfulforthecorrectdevelopmentofbridgepilefoundationinspectiontechnologies.Keywordsbridgepilefoundationinspectiontechnologyservicescopeanalysis,,,,,,,,1,,(100cm),,,,,;,,,,,8090(30%),:1.193,,,,,,,,,,,,,(),,,(1),:,1mm,,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.10,,:;,,,,,,:;;,,550m,1.8m,50m,,,,(2):():1216A/D,A/D,2.5,,,50Hz,,,,,,,HzKHz,,,,kg25kg,,,PDI6,,5m40m,(5m)(40m),,(3),::,120cm35,10cm,,:2030cm(),,,,,,,:,(,),,,,(110):,,(4),,,,,,,,(),:,,(10m),,,,,,,,832003©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,3,,,,,,,,,,1.2,80,,,,,,:(1),60cm1000cm,,(,)(2)(),,:,,0.19999.9s,410m(),20400cm,,,,:,(),,,20100KHz,24KHz50KHz,(ª33mm),(ª28mm),ª4060mm,,,35KHz:,,,,,,(3),1.0m2,1;1.22.0m3,3;2.0m4,6,(2),5010cm,,10cm20cm,,,(4),,,,,,PSD(NFP),;3,,,PSD,,,,,PSD:Ki=(ti-ti-1)2Hi-Hi-1ti-ti-1;Hi-Hi-1,PSD931,:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,25C1=0.4210-2m/s,C2=0.2810-2m/s,L=0.5m,H=0.5m,:Kc=L2(C1-C2)2C21C22H=0.52(0.4210-2-0.2810-2)2(0.4210-2)2(0.2810-2)20.5=7086,KiKc,,,,,1.3,,,,,P-S,,,,,,,,,,,10%5,1.490,10%1%,,,,CaseCapwape,,10%(),,1.5(101mm),,,,,2,,,,,:,,,,(),;,(20%50%);,,(5%10%2);,,,1(JGJ/T93-97)2(TGJ106-97)3.().,2000042003©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.