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無砟軌道施工技術(shù)標(biāo)準(zhǔn)化工藝手冊(編輯修改稿)

2025-08-27 13:55 本頁面
 

【文章內(nèi)容簡介】 9 縱向連接鋼筋原材料的要求................................................................................60 鋼筋的加工及安裝要求........................................................................................60 鋼筋絕緣、檢測設(shè)備及方法要求........................................................................60 寬縫砼原材料、配合比設(shè)計要求........................................................................60 寬縫砼施工技術(shù)要求............................................................................................61 寬縫模板的安裝、拆除......................................................................................61 拆模時寬縫砼的強度及溫度要求......................................................................619 側(cè)向檔塊....................................................................................................................62 側(cè)向檔塊位置的設(shè)置要求....................................................................................62 側(cè)向檔塊鋼筋原材料的要求................................................................................63 側(cè)向檔塊鋼筋的加工及制作要求........................................................................64 側(cè)向檔塊限位板要求............................................................................................64 限位板的安裝方法及要求....................................................................................65 砼原材料、配合比設(shè)計要求................................................................................65 砼施工技術(shù)要求....................................................................................................6510 軌道板錨固和剪切連接..........................................................................................66 軌道板剪切連接的條件、工具..........................................................................66 剪力筋的原材料要求及加工技術(shù)要求..............................................................66 植筋錨固膠的原材料要求及錨固時技術(shù)要求..................................................66 軌道鉆孔孔位、深度、孔徑的施工方法及技術(shù)要求......................................6721 / 14911 長枕埋入式無砟道岔施工......................................................................................70 施工工藝流程圖..................................................................................................70 原材料要求..........................................................................................................70 底座混凝土..........................................................................................................72 道岔的主要參數(shù)..................................................................................................73 測量定位..............................................................................................................73 道床板鋼筋工程和模板施工..............................................................................74 道岔的運輸、吊裝和粗調(diào)..................................................................................74 道岔精調(diào)定位......................................................................................................74 電務(wù)轉(zhuǎn)轍裝置安裝調(diào)試......................................................................................75 岔區(qū)道床板混凝土施工....................................................................................76 應(yīng)力放散與焊接................................................................................................77 安裝核心部件....................................................................................................7812 板式無砟道岔施工..................................................................................................80 施工工藝流程及操作要點..................................................................................80 找平層混凝土澆筑...............................................................................................80 鋼筋綁扎及墊塊安裝..........................................................................................80 鋪板基標(biāo)測量.......................................................................................................81 道岔板運輸及粗鋪..............................................................................................81 道岔板精調(diào)及固定..............................................................................................82 底座混凝土灌注...................................................................................................82 道岔鋼軌安裝及精調(diào)...........................................................................................82 道岔鋼軌焊接、應(yīng)力放散及核心部件安裝.......................................................8413  500 米長鋼軌工廠焊接.........................................................................................85 焊接工藝流程......................................................................................................85 軌基地設(shè)置要求...................................................................................................85 主要工序的技術(shù)要求..........................................................................................86 長鋼軌的檢驗......................................................................................................8914 CRTSⅡ型板式軌道無縫線路施工 .....................................................................91 500m 長鋼軌運輸及鋪設(shè)施工.............................................................................91 無縫線路焊接與鎖定施工..................................................................................91 特殊氣候條件下的無縫線路施工。..................................................................92 軌道整理..............................................................................................................9322 / 1491 一般規(guī)定CRTSⅡ型板式無碴軌道施工應(yīng)遵循以下原則:(1)CRTSⅡ型無碴軌道板(構(gòu)件產(chǎn)品)應(yīng)在工廠預(yù)制,在工廠對產(chǎn)品進行合格檢驗,并出具成品合格證。(2)CRTSⅡ型無碴軌道板(構(gòu)件產(chǎn)品)應(yīng)按成品進行保護,無論存放、運輸、吊裝都不得損壞,進入工地只進行外觀檢查。(3)CRTSⅡ型無碴軌道道床施工前應(yīng)配備滿足施工要求的機械設(shè)備以及測量、測試儀器,并按規(guī)定進行檢測。(4)CRTSⅡ型板式無碴道床施工應(yīng)建立與軌道平順性匹配的高精度測量控制網(wǎng)。(5)CRTSⅡ型板式無碴道床施工人員須進行專業(yè)培訓(xùn)方可進行作業(yè)施工,特殊工種的工人如:電焊工、機械工、鋼筋工、混凝土工等須持證上崗。(6)CRTSⅡ型板式無碴道床施工應(yīng)滿足設(shè)計要求。(7)CRTSⅡ型板式無碴道床施工應(yīng)符合國家現(xiàn)行有關(guān)強制性標(biāo)準(zhǔn)的規(guī)定。(8)CRTSⅡ型板式無碴道床施工前,應(yīng)與線下施工單位進行現(xiàn)場工程項目及施工資料核對并交接。(9)CRTSⅡ型板式無碴道床施工前,應(yīng)核查路基及橋梁沉降指標(biāo),在滿足設(shè)計要求時方可進行道床施工。(10)CRTSⅡ型板式無碴道床施工所用原材料應(yīng)滿足相關(guān)技術(shù)標(biāo)準(zhǔn)和規(guī)范的要求。(11)CRTSⅡ型板式無碴道床的鋼筋絕緣都應(yīng)滿足 ZPW2022 軌道電路相應(yīng)的絕緣電阻 10
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