非开挖电力电缆穿管敷设牵引技术

20152No．22015ElectricWire＆Cable20154Apr．201531200010kV672m。。TM247.1A1672-6901201502-0022-04TrenchlessTube-ThroughLayingandTractionTechnologyofPowerCableQIBo-linHUNing-yiShaoxingPowerSupplyCompanyShaoxing312000ChinaAbstractTakeDongPu10kVdouble-looppowercablelayingprojectforinstancethisprojectlaythecable672me-terstrenchlessthrougharesidentialarearesearchandpracticethekeytechnologyoftrenchlesslayingforpowercablewhichisthenon-destructivetractiontechnologyofcablesthroughultra-longprotectivetube．Thispaperintroducestheconstructiontechnologyandtechnicalmeasurestoprotectthecablethroughtheultra-longtubeDiscussesthedrag-gingforcecalculationsandthelawoftrenchlessdrillingcablelayingthroughthelong-distanceprotectivetube．Pro-videareferenceforothersimilarprojects．Keywordscablelayingprotectivetubethroughtrenchlesstraction2014-10-161957－．58312000．020、。。。。10kV672m。110kV110kV、10kV2.5km。YJV22-8.7/15-3×240。。11112686m。200×152。680m12.5m1118.5°1219.5°。、。1DOI:10.16105/j.cnki.dxdl.2015.02.007222.1。121240m2°。111160m31.0m30°。31—2—3—4—5—2.225.9kN41.2kN5t3.02.520、。1。150kN213×13mm24200m8mm2400m50kN250kN22kN20、43kN/m22.31211343。。。33.1、、4。43.251—2—3—4—、。51.2400mm。·32·20152No．22015ElectricWire＆Cable20154Apr．2015。3.3。。。。3.46。61—2—3—4—3.571—2—。7。。3.6812。。。。81—2—3—4—5—6—3.732m/min6m/min、。。44.1、。T1=πWD+0．2Wl51T2=μkWl6+Wl7μkcosθ2－sinθ2+Wl8μkcosθ3+sinθ32T3=TΣeμkθ13T1NT2NT3Nl5ml6ml7·42·20152No．22015ElectricWire＆Cable20154Apr．2015ml8mWkN/mμk1.2θ1radθ2radθ3rad。4.245。P1=S1×f14P1NS1mm2f110N/mm240N/mm220N/mm2。P2=S2×f25P2NS2mm2f270N/mm240N/mm2。4.30.225.9kN。330.941.2kN。4.4280mA-5020mA。2B480mC680m20.6kN。2/m/kN/kNA28011.912.2B48017.618.1C68025.926.5940m577m55m。95123。672m、。1．．M．2002．2．M．2011．3．．110380mJ．2012404檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱殗殗殗殗604-607．·52·20152No．22015ElectricWire＆Cable20154Apr．2015