電氣埋管施工工藝細則Electricalconduitconstructiontechnologyrules嚴禁使用電焊、氣焊割管。Strictlyprohibitedinusinggasandelectricweldingcuttingconduit.嚴禁將腳手架作為電纜管使用。Strictlyprohibitedinusingthefolderaselectricalconduit.3.銹蝕嚴重的鋼管不得使用；鋼管彎制或安裝前應(yīng)將管口及管內(nèi)雜物清掃干凈，并除去毛刺。Existseriouscorrosionconduitisnotallowedused;themouseoftheconduitastheinnerpartthedebrismustberemovedbeforebendingorinstallation電纜管切割采用手工鋸或切割機進行切割，并保證切割面平整且不傾斜；切割后必須立即將管口毛刺打磨干凈，并打磨管口成喇叭型。Cuttingfortheconduitadoptinginmanualsawormachine,andensurethecuttingsurfacesmoothandnottilt;burringaftercuttingmustbeimmediately,andpolishedtypenozzleintohorn.電纜管的彎曲半徑R≥10D（電纜管外徑）；彎曲角度≥90°，并盡可能減少90°彎頭；電纜管彎制不得出現(xiàn)明顯的凹癟、裂紋、折皺，鋼管彎扁程度≤0.1D（電纜管外徑）。BendingradiusR≥10D(hereDisconduitoutdiameter);BendingAngle≥90°,andaslessaspossiblethe90°elbow;conduitbendingcannotappearobviousconcave,crack,wrinkle,flatsteeltubebendingflatlevel≤0.1D(hereDisconduitoutdiameter).6．電纜管安裝時，每根電纜管彎頭數(shù)量不得超過3個，90°彎頭不得超過2個（埋管長度≥12米，不得多于2個彎頭；12米≥埋管長度≥8米，不得多于3個彎頭；直管埋設(shè)不得大于30米）超過上述標準須增加轉(zhuǎn)接盒。Wheninstallationconduit,theamountofeachconduitelbowshallnotexceed3,elbowwith90°shallnotbemorethan2；

theconduitlength≥12m,shallnotbemorethantwoelbow;Thelengthoftheconduitthatchangedbetween8mand12m,shallnotbemorethanthreeelbow;straightshallnotbemorethan30meters；Ifexceedthestandardmorethanthestandardmustincreasethetransferbox.7．電纜管連接不得對接焊，必須采用短套管；套管長度≥50mm；whenconduitconnectionashortsocketmustbeused，andnobuttwelding（exceptspotwelding）；thelengthofthesocketmorethan2timesofconduitoutdiameter.電纜管型號Type壁厚（mm）Thickness電纜管外徑（mm）Outdiameter.連接套管內(nèi)徑（mm）Socketinnerdiameter連接套管的長度（mm）LengthDN253.2533.535≥50mmDN323.2542.343≥50mmDN503.56061≥50mmDN8048889≥50mm8．電纜管連接時,先將套管中間凸臺毛刺打磨干凈，然后將電纜管插入套管中，電纜管與凸臺之間不得留有間隙；連接套管與電纜管兩側(cè)均勻電焊4點，并用黑膠布纏繞封實；Whencoupling,thereshouldn’tgapbetweenthetwoconduitandthecounterpartmalocclusionislessthan2mm,counterpartseamshouldbeinthemiddleofthesocket,andthebothsidesalongthecircumferentialweldingsealing,partialcannotweldingmustuseblacktapewindingsealingwithfastenedironwire;9．電纜管不得在外壁直接點焊加固，加固采用鐵絲綁扎或煨制鋼筋成環(huán)鉤加固、切割20~30mm套管套至固定點進行，固定間距：φ15~φ20為1.0~1.5米，φ25~φ32為1.5~2.0米，φ40~φ50為2.0~2.5米，φ65以上不大于3米。Potweldingreinforcecan’tbeallowedoutsidethewallofconduitdirectly,aavailablesteelbarwill