我国输电线路基础工程现状与展望

26　11200511电　力　建　设ElectricPowerConstructionVo.l26　No.11Nov,2005鲁先龙,程永锋(,,100055)[　]　,、、、,。、,。,。,:,、、、。,、,。[]　　　　:TU473.1　:C　:1000-7229(2005)11-0025-03CurrentStatusandProspectofTransmissionTowerFoundationEngineeringinChinaLuXianlong,ChenYongfeng(SGElectricPowerConstructionResearchInstitute,BeijingCity,100055)[Abstract]　Thetransmissiontowerfoundationisdifferentfromnormalbuildingfoundationsbecausethetransmissionlinesareoflongdis-tance,broadcrossedareas,complextopographyandgeologicalconditionsandgreatdifferenceofthephysicalmechanicalnatureofthefoundationsoi.lManyboundaryconditionsshouldbeconsideredindesignandconstruction.Thetowerfoundationhastobearthetensileandpressurealter-nativeloads,alsothelargehorizontalloads.Undernormalsituationtheirdesigncontrolconditionsaretheanti-liftandanti-overturnstabilityofthefoundation.[Keywords]　transmissionline;towerfoundation;currentsituation;forecast1　1.1　,、,,。1.1.1　、。:、、。,、、、。、、、,,。、,,。,、。,,,。1.1.2　、、、,、、、、。:,。,,,。,。,、、。,。,2∶83∶7。:2005-06-1325电　力　建　设261.1.3　,、。、、。、、,,。,,,、、、[1]。、,。,,,。1.1.4　、。,,、,,,。、、,。1.1.5　,。[2]“”“”。“”,;,“”,。1.1.6　、、、、(),,。1.2　、:,、、、,。,,/,。,、、,、、,。,,,,。,,,。,,。,[3]。,、。:,(),,,。,,,,。,,。,,。,、、,。、,。,。,,,。,、。“”,,,。,,2611。,,。,[2],。、、,。、、,。[4],,,。、、、、。,,,,,,,,[3]。1.3　,。,,;,,。、,,、。,,,。,,,。,。,、。、,,,、、,,。2　2.1　,,、60%、15%～35%[4]。,、,,,。,:,,,;、,。2.2　,,,、[5]。,《》《》,,,。2.3　,,。2.3.1　,:、,;“”,,,。,。,,、,,,,。2.3.2　,(),,1。,,。,,。(下转第34页)27电　力　建　设26。6.2　,3。,。3　/s**10.3340.6071.15310.1270.5491.1260.1880.5291.60920.1840.2310.250　　:10,γ=50%。3,,。1.8;3.4。6.3　6.3.1　,,,。,。6.3.2　3,,,,,,。6.3.3　,,,。。6.3.4　,。6.3.5　,,。6.3.6　,。、,。6.3.7　3.50%～4.59%。6.3.8　。(责任编辑:李汉才)(上接第27页)1　2.3.3　,,,。3　1　,..WTO:146～1492　SDGJ62—84《》.:,19863　,,..,Vo1.23,No.3:32～344　.,19915　,,.().,Vo.l6,No.4,1998(责任编辑:李连成)34