【正文】 引強(qiáng)度： The mechanical traction uses aluminum and plastic sheath. Calculate allowable maximum traction strength: 35KV 電纜：300mm 2 的單芯電纜，其允許最大牽引強(qiáng)度：35KV cable: 300mm2 single cable, the allowable maximum traction strength:F1=7*300=2100N10KV 電纜：95mm 2 的三芯鎧裝電纜，鉛套，其允許最大牽引強(qiáng)度：10KV cable: 95mm2 threecore armored cable, lead sheath, the allowable maximum traction strength:F2=10*95*3=2850N185mm2 的三芯鎧裝電纜，鉛套，其允許最大牽引強(qiáng)度：185mm2 threecore armored cable, lead sheath, the allowable maximum traction strength:F3=10*185*3=5550N2）牽引力和側(cè)壓力計(jì)算：Traction and lateral pressure calculation:側(cè)壓力計(jì)算公式為：The calculating formula lateral pressure: P=T/R 式中：P 為側(cè)壓力（N/m ） ；T 為牽引力（N） ；R 為彎曲半徑（ m）Where: P for lateral pressure (N / m)。 flat pulleys do not need fixing.電纜架與卷揚(yáng)機(jī)布置見下圖： Cable rack and winch arrangement see below: 35KV：7 / 148 / 1410KV：9 / 14 電纜展放 Layoff Cable1) 電纜展放可用人力拉引或機(jī)械牽引。卷揚(yáng)機(jī)用地錨固定，轉(zhuǎn)角滑輪用鋼管固定，平面滑輪無需固定。敷設(shè)電纜的機(jī)具應(yīng)檢查并調(diào)試正常，電纜盤應(yīng)有可靠的制動(dòng)措施。架設(shè)時(shí)，應(yīng)注意電纜軸的轉(zhuǎn)動(dòng)方向，電纜引出端應(yīng)在電纜軸的上方。如無箭頭時(shí)，可按電纜纏繞方向滾動(dòng)，切不可反纏繞方向滾運(yùn)，以免電纜松弛。Cable laying equipment has placed, and meets safety requirements. Cable lighting illumination along the route meets the construction requirements.五. 敷設(shè)施工 Work of Cable Pulling 電纜敷設(shè)施工工序 Work Procedure機(jī)具布置→電纜展放→電纜敷設(shè)、固定 Equipment layout → Lay off cable→lay cable and fix 機(jī)具布置 Layout of Tools 電纜的搬運(yùn)及支架架設(shè) Cable Removal and Cable Tray 1) 電纜搬運(yùn)須用卡車或吊車運(yùn)輸。Trench excavation and crossing cable tubes embedded have been pleted. Trench has no water and depth should meet the specifications. Spread bottom sand and be debrisfree.場(chǎng)地清理干凈、道路暢通。Insulation shake watch, measuring tape, hacksaw, cableside wiring tools, hand hammers, wrenches, electric welding tools, electrical tools, bending machine, grinding wheel machine, printer, cable plate machine, blowtorch. 無線電對(duì)講機(jī)、手持?jǐn)U音喇叭。Other subsidiary material: cable marking piles, cable signs, paint, gasoline, sealed lead, stearic acid, white belt, rubber cloth, black cloth etc. should meet the requirements. 主要機(jī)具準(zhǔn)備 Main Equipment Preparation卷揚(yáng)機(jī)、敷設(shè)電纜用支架及軸、電纜滾輪、轉(zhuǎn)向?qū)л?、吊鏈、滑輪、鋼絲繩、大麻繩、千斤頂。Calculate each cable length according to design and actual path. Arrange each cable reasonably without cable joints. 6) 電纜保護(hù)套管已經(jīng)預(yù)埋好，故只需要清理管內(nèi)殘?jiān)⒆骱霉芸诒Ｗo(hù)。10KV and 35KV Cable: The 2500V megger.電纜測(cè)試完畢，應(yīng)立即用橡塑材料封頭。 The cable exterior condition is intact .The armor has no rust and no mechanical damage. It is shiny and bright without wrinkles and distortions. Cable jacket and insulation show no aging and cracks.4) 電纜敷設(shè)前進(jìn)行絕緣搖測(cè)或耐壓試驗(yàn)。Each cable should be marked on specification, model, voltage level, length and manufacture date. Cable tray should be in a good condition. 3) 電纜外觀完好無損，鎧裝無銹蝕、無機(jī)械損傷，光澤明亮無皺折和扭曲現(xiàn)象。All material specifications, models and voltage level should meet design requirements and have product certificates. 2) 每盤電纜上應(yīng)標(biāo)明電纜規(guī)格、型號(hào)、電壓等級(jí)、長(zhǎng)度及出廠日期。Compile construction technique cards according to the Shanghai Municipal Electric Power Construction Engineering Construction Technology Implementation Details and anize its implementation.5 / 143) 施工人員全面了解電纜敷設(shè)來路、終點(diǎn)及敷設(shè)路徑。具體如下：In this pilation process, strictly implement current national construction and installation construction, acceptance norms, procedures, standards, and design specifications. As follows:《電氣裝置安裝工程電纜線路施工及驗(yàn)收規(guī)范 GB501682022 》Electrical installation cable construction and acceptance standards GB501682022 《電氣裝置安裝工程接地裝置施工及驗(yàn)收規(guī)范 GB501692022 》Electrical installation earthing construction and acceptance standard GB501692022 《建筑電氣工程施工質(zhì)量驗(yàn)收規(guī)范 GB50303—2022 》Building Electrical Construction Quality Acceptance GB503032022三． 施工工藝流程：Construction Process前期準(zhǔn)備→電纜直埋敷設(shè)施工→鋪沙蓋磚→回填土→埋標(biāo)志樁→掛標(biāo)志牌Preparation→ Cable buried pulling →spread sand and build bricks → backfill→bury sign stake→ hang signs 四. 前期準(zhǔn)備 Preparation 技術(shù)準(zhǔn)備 Technical Preparation1） 針對(duì)本工程特點(diǎn)編審詳細(xì)的電纜溝施工作業(yè)指導(dǎo)書，及時(shí)組織圖紙會(huì)審。According to Electric package (MV) the tender and tender drawings.2）在充分研究工程的客觀情況和施工特點(diǎn)，結(jié)合我公司類似工程施工經(jīng)驗(yàn)的基礎(chǔ)上編制的。其中，10* 電纜直接接至溫控箱，4* 電纜可集中從某間變壓器室引出，沿橋架至相關(guān) PCS 樓 ATS 柜。Lay a 95mm2 bare copper wire to C581 from A472. Meanwhile lay four bare copper wires to B551, A507, B553 and C521 for equipotential bonding. All cable lines will be laid underground along the planning path.Overview 4 / 145) 控制電纜回路： Control cable circuit:安裝在 HCL 裝置現(xiàn)場(chǎng)的 馬達(dá)上的電流信號(hào)通過一根直埋敷設(shè)的鎧裝控制電纜直接接入10KV 開關(guān)柜。s four transformers, B551 two transformers, B553TDA 2 sets of hydrogen pressor unit, C521 hydrochloric acid chlorine gas pressor unit, and hydrochloric acid pressor unit respectively. Among them, transformer circuit uses x 3core armored cable with 10kV crosssection 185mm2, motor circuit uses threecore armored cable with 10kV crosssection 95mm2. All cable lines will be laid underground along the planning path.4) 接地電纜回路：Ground cable loop: 從 A472 敷設(shè)一根 95mm2 裸銅線去 C581，同時(shí)從 C581 敷設(shè)四根 95mm2