【正文】 ngth (m) 實(shí)際施工中，考慮實(shí)際情況，μ 取 ，R 1 取 ,R2 取 , R3 取 The actual construction should consider actual circumstances, μ takes , R1 takes , R2 takes , R3 takes 35KV W1=8900kg/m3*300*106m2*1m+=11 / 1410KV W2=8900kg/m3*95*3*106m2*1m+=W3=8900kg/m3*185*3*106m2*1m+= 令 T1=F1=2100N，則 L1=2100/（**）=428mT2=F2=2850N，則 L2=2850/（**）=600mT3=F3=5550N，則 L3=5550/（**）=733mP1=2100/=4200N P2=2850/=2192NP3=5550/=3700N 所以，采用塑料護(hù)套直接拉動(dòng)電纜時(shí)，35KV 電纜每次允許拉 428m 電纜，其側(cè)壓力為4200N；10KV 95mm 2 的電纜每次允許拉 600m，其側(cè)壓力為 2192N；10KV 185mm2 的電纜每次允許拉 733m，其側(cè)壓力為 3700N。 10KV 95mm2 cable is 600m and 2192N and 10KV 185mm2 cable is 733m and 3700N.3）電纜展放時(shí)，電纜應(yīng)從盤的上端引出，不應(yīng)使電纜在地面摩擦拖拉。Pull cable from the upper plate to avoid friction on the ground. Armored cable may not be crushed. Do not have cable twisted, retaining layer fracture and other not eliminated mechanical damage. 4）人員合理配備。Reasonably arrange personnel. At intervals of 20 ~ 30m have persons to note cable pulling。Make temporary signs at both ends of cables. Identify cable loop and yellow, green, red phases. 電纜敷設(shè)、固定 Cable Laying and Fixing 1）電纜彎曲半徑應(yīng)符合規(guī)范要求，在溝內(nèi)敷設(shè)應(yīng)有適當(dāng)?shù)纳咝螐?，電纜的兩端、中間接頭、穿管處、垂直位差處均應(yīng)留有適當(dāng)?shù)挠嘧?。The minimum parallel and cross spacing between cables or between cables and other pipeline ,roads, buildings, etc. should meet the specification requirements. 3）電纜與現(xiàn)有電纜交叉時(shí)，滿足規(guī)范要求，保持足夠間距。同一電纜溝內(nèi)敷設(shè)的不同回路的電纜中心間距為 20cm。In winter, when the temperature can not meet regulatory requirements, the cable should be heated in advance.6）電纜敷設(shè)應(yīng)設(shè)置聯(lián)絡(luò)指揮系統(tǒng)，宜以無線電對(duì)講機(jī)聯(lián)絡(luò)，手持?jǐn)U音喇叭指揮。Ask construction unit, supervision and quality supervision departments accept concealed project, make records and do the signature. 2) 電纜上面與電纜下面一樣，覆蓋 10cm 砂土或軟土，然后用磚或電纜蓋板將電纜蓋好，覆蓋寬度應(yīng)超過電纜兩側(cè) 5cm。Prior to Buried cable backfill shall be accepted.2) 回填土應(yīng)及時(shí)并分層夯實(shí)。電纜直線段每隔 50100m處應(yīng)加設(shè)間距適當(dāng)?shù)穆窂綐?biāo)樁。Set clear direction stake on cable turning, joints, cross, access to buildings and other sites. Set appropriate path stake at intervals of 50100m. Stake should be fixed with 15cm above the ground and signs should be clear.九. 掛標(biāo)志牌 Hanging signs1) 標(biāo)志牌規(guī)格應(yīng)一致，并有防腐性能，掛裝應(yīng)牢固。The signs should indicate cable numbers, specifications, models and voltage level. 3) 直埋電纜進(jìn)出建筑物及電纜終端頭應(yīng)掛標(biāo)志牌。Cable signs follow owner standard.十. 質(zhì)量控制 Quality Control 主控項(xiàng)目 Master Items1) 電纜的耐壓試驗(yàn)結(jié)果，泄漏電流和絕緣電阻必須符合施工規(guī)范規(guī)定。Test Method: Check test records.2) 電纜敷設(shè)必須符合以下規(guī)定：電纜嚴(yán)禁有絞擰、鎧裝壓扁、護(hù)層斷裂和表面嚴(yán)重劃傷等缺損，直埋敷設(shè)時(shí)，嚴(yán)禁在管道上面或下面平行敷設(shè)。Testing method: Observe examination and check concealed work records 一般項(xiàng)目 General Items 1) 坐標(biāo)和標(biāo)高正確，排列整齊，標(biāo)志樁和標(biāo)志牌設(shè)置準(zhǔn)確；防燃、隔熱和防腐要求的電纜保護(hù)措施完整。 take protection flame proof, heat insulation and corrosion matures.2) 電纜的埋置深度應(yīng)符合下列要求：①電纜表面距地面的距離不應(yīng)小于 ，且電纜應(yīng)埋在凍土層以下。The depth of buried cables should meet the following requirements: ① The distance from cable surface to ground should be not less than , and the cables should be buried below the permafrost. ② Bury shallowly if being restricted by the condition to pass the building and bypass and crossover underground structures, but should take protective measures. 3) 直埋電纜鋪砂蓋板或磚時(shí)應(yīng)防止不清除溝內(nèi)雜物、不用細(xì)砂細(xì)土、蓋板或磚不嚴(yán)，有遺漏部分，施工負(fù)責(zé)人應(yīng)加強(qiáng)檢查。應(yīng)嚴(yán)格按規(guī)范和工藝要求施工。Do not use stripping hemp brush oil if bark protective layer cables are laid indoor.檢驗(yàn)方法：觀察檢查和檢查隱蔽工程記錄及坐標(biāo)圖。如已提前將電纜敷設(shè)完，其它地下工程施工時(shí)，應(yīng)加強(qiáng)巡視。并及時(shí)劃出竣工圖，標(biāo)明電纜的實(shí)際走向方位坐標(biāo)及敷設(shè)深度。 Install doors and windows and lock on cable both ends, to prevent loss or damage.十二. 質(zhì)量記錄 Quality Record 質(zhì)量保證資料 Quality Assurance Information 1) 電纜產(chǎn)品合格證 Cable product certification2) 電纜絕緣搖測(cè)記錄或耐壓試驗(yàn)記錄 Cable insulation test rolling or voltage withstand records14 / 143) 隱蔽工程驗(yàn)收記錄 Concealed project acceptance 施工記錄 Construction of Record1) 自互檢記錄。Cable engineering subitem quality inspection and evaluation records3） 分項(xiàng)工程驗(yàn)收記錄。Alignment measure map十三. 安全生產(chǎn)、文明施工要求和措施 Safety and Civilized Construction Requests and Measures 1) 堅(jiān)持貫徹國家勞動(dòng)法規(guī)政策和公司現(xiàn)行安全規(guī)章制度，采取切實(shí)可行的預(yù)防措施，杜絕安全事故發(fā)生，進(jìn)入施工現(xiàn)場(chǎng)必須統(tǒng)一著裝，正確使用個(gè)人勞保用品（勞保鞋、保護(hù)眼睛、手套、安全帽） 。 National labor laws and the existing pany safety regulations must be adhered, take practical precautions to prevent security incidents, access to the construction site must wear uniform and use personal security objects, ., safety shoes, Tshirts, safety glasses and helmets. Focus on construction, obey mand and disposal to ensure safety.2) 實(shí)行持證上崗操作制度，特殊工種操作人員必須持有特殊工種操作證，嚴(yán)禁無證操作，并及時(shí)做好登記。To implement certified operating system, special types of work must have a permit to operate. Those without certificate are not allowed to enter site, records must be made. Continuously improve the working conditions and keep the safety measures for each worker.3) 所有工作機(jī)具都經(jīng)過業(yè)主驗(yàn)收合格后，貼上標(biāo)簽，方可使用。Construct in a balanced and continuous way to shorten the period between cable trench excavation and backfill。No smoking and alcohol during working period.6) 施工前做好技術(shù)交底和安全交底，對(duì)工人講明工作中的安全注意事項(xiàng)，并做好 JHA。The security plan should follow the safety requirements.