栋梁坡隧道四电接口施工技术交底

新建沪昆客专贵州段CKGZTJ—3标段栋梁坡隧道四电接口技术交底案编制：复核：审核：中国交通建设股份有限公司沪昆客专贵州段工程第一项目经理部二〇一一年六月目录TOC\o"1-2"\h\z\u1、工程概况 12、四电接口施工项目及主要工程量 12.1四电接口主要施工项目 12.2四电接口项目主要工程量 23、综合洞室、变压器洞室及过轨管线 73.1综合洞室、变压器洞室 73.2进出口过轨管线 154、隧道综合接地 194.1初期支护接地 194.2二次衬砌综合接地 204.3明洞仰拱综合接地 214.4综合接地钢筋布设位置 225、接触网预埋槽道施工 325.1预埋槽道主要规格型号 325.2槽道里程、位置、型号、偏差控制 335.3施工工艺流程 365.4施工方法 375.5Ⅳa、Ⅲ级围岩地段预埋加固措施 405.6槽道二次定位 436、二衬防闪络接地钢筋焊接 687、水沟电缆槽接地系统 698、其它施工要求及注意事项 758.1综合洞室 758.2过轨管线 758.3综合接地 768.4预留槽道 778.5接地端子 78

栋梁坡隧道进口四电接口施工技术交底1、工程概况栋梁坡隧道全长9294米，起讫里程为DK499+055～DK508+349。隧道施工主要有进口、1#斜井、2#斜井、出口和平导五个工作面，，其中明洞36m，Ⅴc长度1130m,Ⅴb长度181m,Va长度274m，Ⅳa长度2823m,Ⅲa长度4850m。2、四电接口施工项目及主要工程量2.1四电接口主要施工项目技术是系统集成技术的重要内容之一，站后预留接口质量直接影响客运专线的整体性，对建成后运营至关重要，对于土建施工为主的单位是一个重要的内容，站后预留接口施工及站前土建同步施作，接口构件需要在混凝土内提前进行预埋，要做到预留正确，规范到位，无遗漏，满足站后“四电”专业功能使用条件。隧道内接口工程见下表：隧道四电接口主要项目内容列项表2.2四电接口项目主要工程量根据四电接口主要项目划分结合栋梁坡隧道设计图纸进行统计计算，本隧道接触网预埋槽道、综合接地钢筋、综合洞室接地端子及过轨管、进出口过轨管、水沟电缆槽接地端子等详细布置见附件栋梁坡隧道四电接口施工平面图和工程数量表：栋梁坡隧道进口四电接口施工主要工程量及说明管段长度：1910m起讫里程：DK499+055～DK500+965施工单位：中国交通建设股份有限公司沪昆客专贵州段工程指挥部第1项目部项目内容主要项目技术要求及说明预埋槽道型号规格每组数量（根）槽道组间距（mm）相对隧道中线位置数量（组）合计长度（m）总计长度（m）Ⅳa、Ⅲ级围岩地段预埋数量及加强措施数量（组）加强措施A2.5m弧形2400拱顶中心9648088780钢筋网片加强（隧参07）C2.5m直形32224（下）

2400（上）边墙129012结构钢筋加强（隧参01）2.5m弧形2600拱腰126012D1.5m弧形2600拱腰6184结构钢筋加强（隧参01）G2.5m弧形2600拱顶中心15/钢筋网片加强（隧参07）E2.5m弧形2600拱腰///结构钢筋加强（隧参01）F1.5m弧形2400拱顶偏±625mm7823467钢筋网片加强（隧参07）洞室洞室类型洞室数量（个）接地端子（个）接地端子类型信号过轨（根）规格无线通信过轨（根）规格电力过轨（根）规格综合洞室816L型16Φ10016Φ10032Φ150变压器洞室//L型/Φ100/Φ100/Φ150洞口过轨/////2Φ1004Φ150水沟电缆槽接地端子部位端子类型数量（个）备注通信信信号电缆槽侧壁L型78及接地端子供轨旁设备、设施接地通信信信号电缆槽沟底直形40隧道接地装置及贯通地线的连接栋梁坡隧道1#斜井四电接口施工主要工程量及说明管段长度：2113m起讫里程：DK500+965～DK503+078施工单位：中国交通建设股份有限公司沪昆客专贵州段工程指挥部第1项目部项目内容主要项目技术要求及说明预埋槽道型号规格每组数量（根）槽道组间距（mm）相对隧道中线位置数量（组）合计长度（m）总计长度（m）Ⅳa、Ⅲ级围岩地段预埋数量及加强措施数量（组）加强措施A2.5m弧形2400拱顶中心104520101385钢筋网片加强（隧参07）C2.5m直形32224（下）

2400（上）边墙161204结构钢筋加强（隧参01）2.5m弧形2600拱腰16804D1.5m弧形2600拱腰8248结构钢筋加强（隧参01）G2.5m弧形2600拱顶中心2102钢筋网片加强（隧参07）E2.5m弧形2600拱腰///结构钢筋加强（隧参01）F1.5m弧形2400拱顶偏±625mm8826472钢筋网片加强（隧参07）洞室洞室类型洞室数量（个）接地端子（个）接地端子类型信号过轨（根）规格无线通信过轨（根）规格电力过轨（根）规格综合洞室816L型16Φ10016Φ10032Φ150变压器洞室12L型2Φ1002Φ1006Φ150洞口过轨//////Φ100/Φ150水沟电缆槽接地端子部位端子类型数量（个）备注通信信信号电缆槽侧壁L型84及接地端子供轨旁设备、设施接地通信信信号电缆槽沟底直形42隧道接地装置及贯通地线的连接栋梁坡隧道2#斜井四电接口施工主要工程量及说明管段长度：3252m起讫里程：DK503+078～DK506+330施工单位：中国交通建设股份有限公司沪昆客专贵州段工程指挥部第1项目部项目内容主要项目技术要求及说明预埋槽道型号规格每组数量（根）槽道组间距（mm）相对隧道中线位置数量（组）合计长度（m）总计长度（m）Ⅳa、Ⅲ级围岩地段预埋数量及加强措施数量（组）加强措施A2.5m弧形2400拱顶中心1587901536144钢筋网片加强（隧参07）C2.5m直形32224（下）

2400（上）边墙2418020结构钢筋加强（隧参01）2.5m弧形2600拱腰2412020D1.5m弧形2600拱腰123612结构钢筋加强（隧参01）G2.5m弧形2600拱顶中心151钢筋网片加强（隧参07）E2.5m弧形2600拱腰///结构钢筋加强（隧参01）F1.5m弧形2400拱顶偏±625mm135405125钢筋网片加强（隧参07）洞室洞室类型洞室数量（个）接地端子（个）接地端子类型信号过轨（根）规格无线通信过轨（根）规格电力过轨（根）规格综合洞室1326L型26Φ10026Φ10052Φ150变压器洞室12L型2Φ1002Φ1006Φ150洞口过轨//////Φ100/Φ150水沟电缆槽接地端子部位端子类型数量（个）备注通信信信号电缆槽侧壁L型130及接地端子供轨旁设备、设施接地通信信信号电缆槽沟底直形64隧道接地装置及贯通地线的连接3、综合洞室、变压器洞室及过轨管线3.1综合洞室、变压器洞室3.1.1综合洞室、变压器洞室布置位置及数量栋梁坡隧道综合洞室、变压器洞室布置表洞室里程位置类型过轨管线布置位置数量分布备注Ф100mm通信管Ф150mm电力管距进口洞口2米2根4根DK499+202左侧综合洞室DK499+20244452右侧综合洞室45244702左侧70244952右侧综合洞室95244DK500+202左侧综合洞室DK500+20244452右侧综合洞室45244702左侧综合洞室70244952右侧综合洞室95244DK501+202左侧综合洞室DK501+20244452右侧综合洞室45244702左侧综合洞室70244952右侧综合洞室95244DK502+054左侧变压器洞室DK502+05446DK502+202左侧综合洞室DK502+20244452右侧综合洞室45244702左侧综合洞室70244952右侧综合洞室95244DK503+202左侧综合洞室DK503+20244452右侧综合洞室45244702左侧综合洞室70244952右侧综合洞室95244DK504+202左侧综合洞室DK504+20244452右侧综合洞室45244702左侧综合洞室70244952右侧综合洞室95244DK505+054右侧变压器洞室DK505+05446DK505+202左侧综合洞室DK505+20244452右侧综合洞室45244702左侧综合洞室70244952右侧综合洞室95244DK506+202左侧综合洞室DK506+20244452右侧综合洞室45244702左侧综合洞室70244952右侧综合洞室95244DK507+202左侧综合洞室DK507+20244452右侧综合洞室45244702左侧综合洞室70244952右侧综合洞室95244DK508+202左侧综合洞室DK508+20244DK508+300左侧变压器洞室DK508+30046距出口洞口2米243.1.2综合洞室过轨管施工综合洞室过轨管线主要有电力、信号、无信通信专业。(1)电力专业：在综合洞室附近设置一组过轨管，为4根Φ150mm的钢管，过轨管引入两侧电力电缆槽（水沟电缆槽靠隧道边墙侧）、及电力电缆槽交角成45度，过轨管线均设置于中心水沟下方，钢管的弯曲半径均不小于1m，过轨管采用材质、规格应满足于相关站前主体工程同设计寿命的要求，在寿命期不腐、不碎。(2)信号专业：在综合洞室附近设置一组过轨管，为2根Φ100mm过轨管，过轨管引入通信信号电缆槽，过轨管采用材质、规格应满足于相关站前主体工程同设计寿命的要求，在寿命期不腐、不碎。(3)无线通信专业：在综合洞室附近设置一组过轨管，为2根Φ100mm过轨管，过轨管引入通信信号电缆槽，过轨管采用材质、规格应满足于相关站前主体工程同设计寿命的要求，在寿命期不腐、不碎。各过轨管线管口均要求打磨光滑以保护电缆，管线连接处焊接质量、弯管半径要满足设计要求，并在电缆槽底露头1cm，每根过轨管内经穿Φ4.0mm铁丝2根，两端用麻油布、土工布封堵或者冷封胶封堵，以防渗水。3.1.3变压器洞室过轨管线变压器洞室过轨管线主要有电力、信号、无信通信专业。(1)电力专业：在变压器洞室附近设置一组过轨管，为6根Φ150mm的钢管，过轨管引入两侧电力电缆槽、及电力电缆槽交角成45度，过轨管线均设置于中心水沟下方，钢管的弯曲半径均不小于1m，过轨管采用材质、规格应满足于相关站前主体工程同设计寿命的要求，在寿命期不腐、不碎。(2)信号专业：在变压器洞室附近设置一组过轨管，为2根Φ100mm过轨管，过轨管引入两侧通信信号电缆槽，过轨管采用材质、规格应满足于相关站前主体工程同设计寿命的要求，在寿命期不腐、不碎。(3)无线通信专业：在变压器洞室附近设置一组过轨管，为2根Φ100mm过轨管，过轨管引入通信信号电缆槽，过轨管采用材质、规格应满足于相关站前主体工程同设计寿命的要求，在寿命期不腐、不碎。各过轨管线管口均要求打磨光滑以保护电缆，管线连接处焊接质量、弯管半径要满足设计要求，并在电缆槽底露头1cm，每根过轨管内经穿Φ4.0mm铁丝2根，两端用麻油布、土工布封堵或者冷封胶封堵，以防渗水。3.1.4综合洞室、变压器洞室接地及接地端子洞室接地端子采用桥隧型接地端子，在每个洞室两侧壁下部设置接地端子，供洞室内设备、设施接地。所有的接地端子均通过连接钢筋及电缆槽外缘的纵向接地钢筋连接。接地钢筋间的联接均应保证焊接质量。综合洞室、变压器洞室接地端子布置表序号洞室里程位置端子数量(个)L型类型接地端子位置1DK499+202左侧2综合洞室两侧边墙各1个2452右侧2综合洞室两侧边墙各1个3702左侧2综合洞室两侧边墙各1个4952右侧2综合洞室两侧边墙各1个5DK500+202左侧2综合洞室两侧边墙各1个6452右侧2综合洞室两侧边墙各1个7702左侧2综合洞室两侧边墙各1个8952右侧2综合洞室两侧边墙各1个9DK501+202左侧2综合洞室两侧边墙各1个10452右侧2综合洞室两侧边墙各1个11702左侧2综合洞室两侧边墙各1个12952右侧2综合洞室两侧边墙各1个13DK502+054左侧2变压器洞室两侧边墙各1个14DK502+202左侧2综合洞室两侧边墙各1个15452右侧2综合洞室两侧边墙各1个16702左侧2综合洞室两侧边墙各1个17952右侧2综合洞室两侧边墙各1个18DK503+202左侧2综合洞室两侧边墙各1个19452右侧2综合洞室两侧边墙各1个20702左侧2综合洞室两侧边墙各1个21952右侧2综合洞室两侧边墙各1个22DK504+202左侧2综合洞室两侧边墙各1个23452右侧2综合洞室两侧边墙各1个24702左侧2综合洞室两侧边墙各1个25952右侧2综合洞室两侧边墙各1个26DK505+054右侧2变压器洞室两侧边墙各1个27DK505+202左侧2综合洞室两侧边墙各1个28452右侧2综合洞室两侧边墙各1个29702左侧2综合洞室两侧边墙各1个30952右侧2综合洞室两侧边墙各1个31DK506+202左侧2综合洞室两侧边墙各1个32452右侧2综合洞室两侧边墙各1个33702左侧2综合洞室两侧边墙各1个34952右侧2综合洞室两侧边墙各1个35DK507+202左侧2综合洞室两侧边墙各1个36452右侧2综合洞室两侧边墙各1个37702左侧2综合洞室两侧边墙各1个38952右侧2综合洞室两侧边墙各1个39DK508+202左侧2综合洞室两侧边墙各1个40DK508+300左侧2变压器洞室两侧边墙各1个（1）综合洞室接地端子布置图见下图：综合洞室平面图综合洞室平面图综合洞室剖面图综合洞室剖面图

（2）变压器洞室接地端子布置图见下图：变压器洞室平面图变压器洞室平面图变压器洞室剖面图变压器洞室剖面图3.2进出口过轨管线隧道洞口过轨管线主要有电力、无信通信专业。①电力专业：在洞口附近设置一组过轨管，为4根Φ150mm的钢管，过轨管引入两侧电力电缆槽、及电力电缆槽交角成45度，过轨管线均设置于中心水沟下方，钢管的弯曲半径均不小于1m，过轨管采用材质、规格应满足于相关站前主体工程同设计寿命的要求，在寿命期不腐、不碎。②无线通信专业：在洞口附近设置一组过轨管，为2根Φ100mm过轨管，过轨管引入两侧通信信号电缆槽，过轨管采用材质、规格应满足于相关站前主体工程同设计寿命的要求，在寿命期不腐、不碎。各过轨管线管口均要求打磨光滑以保护电缆，管线连接处焊接质量、弯管半径要满足设计要求，并在电缆槽底露头1cm，每根过轨管内经穿Φ4.0mm铁丝2根，两端用麻油布、土工布封堵或者冷封胶封堵，以防渗水。过轨管线布设里程及工程数量表洞室里程位置类型过轨管线布置位置数量分布Ф100mm通信管Ф100mm信号管Ф150mm电力管距进口洞口2米2根04根DK499+202左侧综合洞室DK499+202224452右侧综合洞室452224702左侧综合洞室702224952右侧综合洞室952224DK500+202左侧综合洞室DK500+202224452右侧综合洞室452224702左侧综合洞室702224952右侧综合洞室952224DK501+202左侧综合洞室DK501+202224452右侧综合洞室452224702左侧综合洞室702224952右侧综合洞室952224DK502+054左侧变压器洞室DK502+054226DK502+202左侧综合洞室DK502+202224452右侧综合洞室452224702左侧综合洞室702224952右侧综合洞室952224DK503+202左侧综合洞室DK503+202224452右侧综合洞室452224702左侧综合洞室702224952右侧综合洞室952224DK504+202左侧综合洞室DK504+202224452右侧综合洞室452224702左侧综合洞室702224952右侧综合洞室952224DK505+054右侧变压器洞室DK505+054226DK505+202左侧综合洞室DK505+202224452右侧综合洞室452224702左侧综合洞室702224952右侧综合洞室952224DK506+202左侧综合洞室DK506+202224452右侧综合洞室452224702左侧综合洞室702224952右侧综合洞室952224DK507+202左侧综合洞室DK507+202224452右侧综合洞室452224702左侧综合洞室702224952右侧综合洞室952224DK508+202左侧综合洞室DK508+202224DK508+300左侧变压器洞室DK508+300226距出口洞口2米24洞口过轨过轨管线平面布置图洞口过轨过轨管线平面布置图4、隧道综合接地4.1初期支护接地（1）IV、V级以上围岩隧道，利用锚杆、钢拱架（或钢网片）做为接地极。（2）III级围岩隧道，利用锚杆和专用环向接地钢筋做为接地极。（3）锚杆接地极以约一个台车长度为间隔设置，用作接地极的锚杆环向间距要求为2倍锚杆长度；接地锚杆及钢网片、钢拱架或专用环向接地钢筋可靠焊接。（4）每个台车位的隧道接地极均通过连接钢筋及两侧电缆槽外缘的纵向接地钢筋连接。（5）接地钢筋应优先利用结构物中的非预应力结构钢筋，原则上不再增加专用的接地钢筋。兼有接地功能（含连接）的结构钢筋和专用接地钢筋截面应满足接触网最大短路电流要求。施工时应对接地钢筋作出标识，便于检查。（6）所有接地钢筋间的联接均应保证焊接质量，焊接要求详见焊接示意图。图示为接地钢筋电气连接示意，各工点施作时应根据具体的钢筋配筋，采用搭接焊或L型焊接。4.2二次衬砌综合接地二次衬砌中有结构钢筋的隧道接地设置：（1）利用二次衬砌的内层纵、环向结构钢筋作为接触网断线保护接地钢筋。（2）接触网线垂直向上在拱顶的投影线两侧以0.5m为间隔，各选3根纵向结构钢筋作为接地钢筋;上述投影线两侧各1.5m外的其他位置，以1m为间隔，选择纵向结构钢筋作为接地钢筋，在每个台车位（作业段）中部选一根环向结构钢筋作为环向接地钢筋，环、纵向接地钢筋间可靠焊接；纵向接地钢筋在作业段间可不连接。（3）每个作业段内的环向接地钢筋及两侧通信信号电缆槽靠线路侧外缘的纵向接地钢筋连接。（4）二次衬砌中无结构钢筋的隧道，除接触网基础接地外，不再单独考虑接地钢筋设置。（5）接地钢筋应优先利用结构物中的非预应力结构钢筋，原则上不再增加专用的接地钢筋。接地钢筋截面应满足接触网最大短路电流要求。施工时应对接地钢筋作出标识，便于检查。4.3明洞仰拱综合接地明洞地段，利用隧道仰拱衬砌下层的结构钢筋做为接地极，并从两侧引出。接地钢筋等接地装置均应通过连接钢筋及两侧电缆槽靠线路侧外缘的纵向接地钢筋连接。4.4综合接地钢筋布设位置栋梁坡隧道接地钢筋分布里程表序号接地钢筋里程衬砌类型序号接地钢筋里程衬砌类型1DK499+061.0明洞389DK503+708.0IIIa2DK499+068.5390DK503+720.03DK499+076.0Vc391DK503+732.04DK499+088.0392DK503+744.05DK499+100.0393DK503+756.06DK499+112.0Vb394DK503+768.07DK499+124.0395DK503+780.08DK499+136.0396DK503+792.09DK499+148.0397DK503+804.010DK499+160.0398DK503+816.011DK499+172.0399DK503+828.0IVa12DK499+184.0400DK503+840.013DK499+196.0401DK503+852.014DK499+208.0Va402DK503+864.015DK499+220.0403DK503+876.016DK499+232.0Iva404DK503+888.017DK499+244.0405DK503+900.018DK499+256.0406DK503+912.019DK499+268.0407DK503+924.020DK499+280.0408DK503+936.0IIIa21DK499+292.0409DK503+948.022DK499+304.0410DK503+960.023DK499+316.0411DK503+972.024DK499+328.0412DK503+984.025DK499+340.0IIIa413DK503+996.026DK499+352.0414DK504+008.027DK499+364.0415DK504+020.028DK499+376.0416DK504+032.029DK499+388.0417DK504+044.030DK499+400.0418DK504+056.031DK499+412.0419DK504+068.032DK499+424.0420DK504+080.033DK499+436.0421DK504+092.034DK499+448.0422DK504+104.035DK499+460.0423DK504+116.036DK499+472.0424DK504+128.037DK499+484.0425DK504+140.038DK499+496.0426DK504+152.039DK499+508.0427DK504+164.040DK499+520.0428DK504+176.041DK499+532.0429DK504+188.042DK499+544.0430DK504+200.043DK499+556.0431DK504+212.044DK499+568.0432DK504+224.045DK499+580.0433DK504+236.046DK499+592.0434DK504+248.047DK499+604.0435DK504+260.048DK499+616.0436DK504+272.049DK499+628.0437DK504+284.050DK499+640.0438DK504+296.051DK499+652.0439DK504+308.052DK499+664.0440DK504+320.053DK499+676.0441DK504+332.054DK499+688.0442DK504+344.055DK499+700.0443DK504+356.056DK499+712.0IVa444DK504+368.057DK499+724.0445DK504+380.058DK499+736.0446DK504+392.059DK499+748.0447DK504+404.060DK499+760.0IIIa448DK504+416.061DK499+772.0449DK504+428.062DK499+784.0450DK504+440.063DK499+796.0451DK504+452.064DK499+808.0452DK504+464.0IVa65DK499+820.0453DK504+476.066DK499+832.0454DK504+488.067DK499+844.0455DK504+500.068DK499+856.0456DK504+512.069DK499+868.0457DK504+524.070DK499+880.0458DK504+536.071DK499+892.0459DK504+548.072DK499+904.0460DK504+560.0IIIa73DK499+916.0461DK504+572.074DK499+928.0462DK504+584.075DK499+940.0IVa463DK504+596.076DK499+952.0464DK504+608.077DK499+964.0465DK504+620.078DK499+976.0466DK504+632.0IVa79DK499+988.0467DK504+644.080DK500+000.0468DK504+656.081DK500+012.0469DK504+668.082DK500+024.0470DK504+680.083DK500+036.0471DK504+692.084DK500+048.0472DK504+704.085DK500+060.0473DK504+716.086DK500+072.0474DK504+728.087DK500+084.0475DK504+740.088DK500+096.0476DK504+752.089DK500+108.0477DK504+764.090DK500+120.0478DK504+776.091DK500+132.0479DK504+788.092DK500+144.0IIIa480DK504+800.093DK500+156.0481DK504+812.094DK500+168.0482DK504+824.095DK500+180.0483DK504+836.096DK500+192.0484DK504+848.0IIIa97DK500+204.0485DK504+860.098DK500+216.0486DK504+872.099DK500+228.0487DK504+884.0100DK500+240.0488DK504+896.0101DK500+252.0489DK504+908.0102DK500+264.0490DK504+920.0103DK500+276.0491DK504+932.0104DK500+288.0492DK504+944.0105DK500+300.0493DK504+956.0106DK500+312.0494DK504+968.0107DK500+324.0495DK504+980.0108DK500+336.0IVa496DK504+992.0109DK500+348.0497DK505+004.0110DK500+360.0498DK505+016.0111DK500+372.0499DK505+028.0112DK500+384.0500DK505+040.0113DK500+396.0501DK505+052.0114DK500+408.0502DK505+064.0115DK500+420.0503DK505+076.0116DK500+432.0504DK505+088.0117DK500+444.0Vc505DK505+100.0118DK500+456.0506DK505+112.0119DK500+468.0507DK505+124.0120DK500+480.0508DK505+136.0121DK500+492.0509DK505+148.0122DK500+504.0510DK505+160.0123DK500+516.0511DK505+172.0124DK500+528.0512DK505+184.0125DK500+540.0513DK505+196.0126DK500+552.0IVa514DK505+208.0127DK500+564.0515DK505+220.0128DK500+576.0516DK505+232.0129DK500+588.0517DK505+244.0130DK500+600.0518DK505+256.0131DK500+612.0519DK505+268.0132DK500+624.0520DK505+280.0133DK500+636.0521DK505+292.0134DK500+648.0522DK505+304.0135DK500+660.0523DK505+316.0136DK500+672.0524DK505+328.0137DK500+684.0525DK505+340.0138DK500+696.0526DK505+352.0139DK500+708.0IIIa527DK505+364.0140DK500+720.0528DK505+376.0141DK500+732.0529DK505+388.0142DK500+744.0530DK505+400.0143DK500+756.0531DK505+412.0144DK500+768.0532DK505+424.0145DK500+780.0533DK505+436.0146DK500+792.0534DK505+448.0147DK500+804.0535DK505+460.0148DK500+816.0536DK505+472.0149DK500+828.0537DK505+484.0150DK500+840.0538DK505+496.0151DK500+852.0539DK505+508.0152DK500+864.0540DK505+520.0153DK500+876.0541DK505+532.0154DK500+888.0542DK505+544.0155DK500+900.0543DK505+556.0156DK500+912.0544DK505+568.0157DK500+924.0545DK505+580.0158DK500+936.0546DK505+592.0159DK500+948.0547DK505+604.0160DK500+960.0548DK505+616.0161DK500+972.0549DK505+628.0162DK500+984.0550DK505+640.0163DK500+996.0551DK505+652.0164DK501+008.0552DK505+664.0165DK501+020.0553DK505+676.0166DK501+032.0554DK505+688.0IVa167DK501+044.0555DK505+700.0168DK501+056.0556DK505+712.0169DK501+068.0557DK505+724.0170DK501+080.0558DK505+736.0171DK501+092.0559DK505+748.0172DK501+104.0560DK505+760.0Vc173DK501+116.0561DK505+772.0174DK501+128.0562DK505+784.0175DK501+140.0563DK505+796.0176DK501+152.0564DK505+808.0177DK501+164.0565DK505+820.0178DK501+176.0566DK505+832.0179DK501+188.0567DK505+844.0180DK501+200.0568DK505+856.0181DK501+212.0569DK505+868.0182DK501+224.0570DK505+880.0183DK501+236.0571DK505+892.0184DK501+248.0572DK505+904.0185DK501+260.0573DK505+916.0186DK501+272.0574DK505+928.0187DK501+284.0575DK505+940.0188DK501+296.0576DK505+952.0189DK501+308.0577DK505+964.0190DK501+320.0578DK505+976.0191DK501+332.0IVa579DK505+988.0192DK501+344.0580DK506+000.0IVa193DK501+356.0581DK506+012.0194DK501+368.0582DK506+024.0195DK501+380.0583DK506+036.0196DK501+392.0584DK506+048.0197DK501+404.0585DK506+060.0IIIa198DK501+416.0586DK506+072.0199DK501+428.0587DK506+084.0200DK501+440.0588DK506+096.0201DK501+452.0589DK506+108.0202DK501+464.0590DK506+120.0203DK501+476.0591DK506+132.0204DK501+488.0592DK506+144.0205DK501+500.0593DK506+156.0206DK501+512.0594DK506+168.0207DK501+524.0Va595DK506+180.0208DK501+536.0596DK506+192.0209DK501+548.0597DK506+204.0210DK501+560.0598DK506+216.0211DK501+572.0599DK506+228.0212DK501+584.0600DK506+240.0213DK501+596.0601DK506+252.0214DK501+608.0602DK506+264.0215DK501+620.0603DK506+276.0216DK501+632.0Vc604DK506+288.0217DK501+644.0605DK506+300.0218DK501+656.0606DK506+312.0219DK501+668.0607DK506+324.0220DK501+680.0608DK506+336.0221DK501+692.0609DK506+348.0222DK501+704.0610DK506+360.0IVa223DK501+716.0611DK506+372.0224DK501+728.0612DK506+384.0Vc225DK501+740.0613DK506+396.0226DK501+752.0614DK506+408.0227DK501+764.0IVa615DK506+420.0228DK501+776.0616DK506+432.0229DK501+788.0617DK506+444.0230DK501+800.0618DK506+456.0IVa231DK501+812.0619DK506+468.0232DK501+824.0620DK506+480.0233DK501+836.0621DK506+492.0234DK501+848.0622DK506+504.0235DK501+860.0623DK506+516.0236DK501+872.0624DK506+528.0237DK501+884.0625DK506+540.0Vc238DK501+896.0626DK506+552.0239DK501+908.0627DK506+564.0240DK501+920.0628DK506+576.0241DK501+932.0629DK506+588.0242DK501+944.0630DK506+600.0243DK501+956.0631DK506+612.0244DK501+968.0632DK506+624.0IVa245DK501+980.0633DK506+636.0IIIa246DK501+992.0634DK506+648.0247DK502+004.0635DK506+660.0248DK502+016.0636DK506+672.0249DK502+028.0637DK506+684.0250DK502+040.0638DK506+696.0251DK502+052.0639DK506+708.0252DK502+064.0640DK506+720.0253DK502+076.0IIIa641DK506+732.0254DK502+088.0642DK506+744.0255DK502+100.0643DK506+756.0256DK502+112.0644DK506+768.0257DK502+124.0645DK506+780.0258DK502+136.0646DK506+792.0259DK502+148.0647DK506+804.0260DK502+160.0648DK506+816.0261DK502+172.0649DK506+828.0262DK502+184.0650DK506+840.0263DK502+196.0651DK506+852.0264DK502+208.0652DK506+864.0265DK502+220.0653DK506+876.0266DK502+232.0654DK506+888.0267DK502+244.0655DK506+900.0268DK502+256.0656DK506+912.0269DK502+268.0657DK506+924.0270DK502+280.0658DK506+936.0271DK502+292.0659DK506+948.0272DK502+304.0660DK506+960.0273DK502+316.0661DK506+972.0274DK502+328.0662DK506+984.0275DK502+340.0663DK506+996.0276DK502+352.0664DK507+008.0IVa277DK502+364.0665DK507+020.0278DK502+376.0IVa666DK507+032.0279DK502+388.0667DK507+044.0280DK502+400.0668DK507+056.0Va281DK502+412.0669DK507+068.0282DK502+424.0670DK507+080.0283DK502+436.0671DK507+092.0284DK502+448.0672DK507+104.0285DK502+460.0673DK507+116.0286DK502+472.0674DK507+128.0287DK502+484.0675DK507+140.0288DK502+496.0676DK507+152.0289DK502+508.0677DK507+164.0290DK502+520.0Vc678DK507+176.0291DK502+532.0679DK507+188.0IVa292DK502+544.0680DK507+200.0293DK502+556.0681DK507+212.0294DK502+568.0682DK507+224.0295DK502+580.0683DK507+236.0296DK502+592.0684DK507+248.0297DK502+604.0685DK507+260.0Vc298DK502+616.0686DK507+272.0299DK502+628.0687DK507+284.0300DK502+640.0688DK507+296.0301DK502+652.0689DK507+308.0302DK502+664.0IVa690DK507+320.0303DK502+676.0691DK507+332.0304DK502+688.0692DK507+344.0305DK502+700.0693DK507+356.0306DK502+712.0694DK507+368.0307DK502+724.0695DK507+380.0IVa308DK502+736.0696DK507+392.0309DK502+748.0697DK507+404.0IIIa310DK502+760.0698DK507+416.0311DK502+772.0699DK507+428.0312DK502+784.0700DK507+440.0313DK502+796.0701DK507+452.0314DK502+808.0702DK507+464.0315DK502+820.0703DK507+476.0316DK502+832.0704DK507+488.0317DK502+844.0705DK507+500.0318DK502+856.0706DK507+512.0319DK502+868.0707DK507+524.0320DK502+880.0708DK507+536.0321DK502+892.0709DK507+548.0322DK502+904.0710DK507+560.0323DK502+916.0711DK507+572.0324DK502+928.0712DK507+584.0325DK502+940.0713DK507+596.0326DK502+952.0714DK507+608.0327DK502+964.0715DK507+620.0328DK502+976.0716DK507+632.0329DK502+988.0717DK507+644.0330DK503+000.0718DK507+656.0331DK503+012.0719DK507+668.0332DK503+024.0720DK507+680.0333DK503+036.0721DK507+692.0334DK503+048.0722DK507+704.0335DK503+060.0723DK507+716.0336DK503+072.0724DK507+728.0337DK503+084.0IIIa725DK507+740.0IVa338DK503+096.0726DK507+752.0339DK503+108.0727DK507+764.0Vc340DK503+120.0728DK507+776.0341DK503+132.0729DK507+788.0342DK503+144.0730DK507+800.0343DK503+156.0731DK507+812.0344DK503+168.0732DK507+824.0345DK503+180.0733DK507+836.0IVa346DK503+192.0734DK507+848.0347DK503+204.0735DK507+860.0348DK503+216.0736DK507+872.0349DK503+228.0737DK507+884.0350DK503+240.0738DK507+896.0351DK503+252.0739DK507+908.0352DK503+264.0740DK507+920.0353DK503+276.0741DK507+932.0354DK503+288.0742DK507+944.0355DK503+300.0743DK507+956.0356DK503+312.0744DK507+968.0357DK503+324.0745DK507+980.0358DK503+336.0746DK507+992.0359DK503+348.0747DK508+004.0360DK503+360.0748DK508+016.0361DK503+372.0749DK508+028.0362DK503+384.0750DK508+040.0Vc363DK503+396.0751DK508+052.0364DK503+408.0752DK508+064.0365DK503+420.0753DK508+076.0366DK503+432.0754DK508+088.0367DK503+444.0755DK508+100.0368DK503+456.0756DK508+112.0369DK503+468.0757DK508+124.0370DK503+480.0758DK508+136.0371DK503+492.0759DK508+148.0IVa372DK503+504.0760DK508+160.0373DK503+516.0761DK508+172.0374DK503+528.0762DK508+184.0375DK503+540.0763DK508+196.0376DK503+552.0764DK508+208.0377DK503+564.0765DK508+220.0378DK503+576.0766DK508+232.0379DK503+588.0767DK508+244.0380DK503+600.0768DK508+256.0Vb381DK503+612.0769DK508+268.0382DK503+624.0770DK508+280.0383DK503+636.0771DK508+292.0384DK503+648.0772DK508+304.0385DK503+660.0773DK508+316.0386DK503+672.0774DK508+328.0387DK503+684.0775DK508+337.75单压式明洞388DK503+696.0776DK508+345.35、接触网预埋槽道施工隧道接触网悬挂安装采用锚杆槽道形式预留，悬挂安装基础一般采用锚杆槽道形式进行预埋。接触网基础预埋后，不需采用任何钻孔螺栓或焊接方式，就能将建筑物连接。施工时根据设计的槽道里程、规格、型号、位置等要求，在二衬施工时将接触网基础同步预埋方式，同时将基础（或钢筋网片）及二次衬砌内的环向或纵向接地钢筋焊接。5.1预埋槽道主要规格型号根据设计要求确定槽道埋设线路位置、槽道间距、台车部位划分有：A、C、D、G、E、F等类型。槽道结构尺寸划分有：2.5m弧形、1.5m弧形、2.5m直形槽道3种，弧形槽道半径均等同于隧道净空半径6650mm。2.5m弧形槽道截面图1.5m弧形槽道截面图2.5m直形槽道截面图5.2槽道里程、位置、型号、偏差控制槽道的里程、位置、间距、型号根据设计图型号要求确定。施工中应严格控制各项技术指标。主要指标为嵌入施工误差、倾斜施工误差、平行误差、及水平方向和垂直方向施工误差、两组槽道倾斜施工误差、槽道组间距误差、垂直线路方向误差、及纵向里程误差等，其主要误差控制要求见下图表。槽道主要型号参数情况表序号型号规格数量（根）槽道组间距

（mm）相对隧道中线位置纵向距施工缝距离（mm）1A2.5m弧形2400拱顶中心10002C2.5m直形32224、2400边墙6002.5m弧形2600拱腰10003D1.5m弧形2600拱腰10004G2.5m弧形2600拱顶中心10005E2.5m弧形2600拱腰10006F1.5m弧形2400拱顶偏±625mm1000槽道施工误差控制指标表序号项目误差控制要求1嵌入施工误差≤5mm2倾斜施工误差≤3mm3平行施工误差≤±5mm4及水平方向和垂直方向施工误差≤±5mm/m5两槽道倾斜施工误差≤±12mm，轴线距离槽道组1m投影位置处6槽道组间距误差L≤1.9m，≤±10mmL≥1.9m，≤±40mm7横向允许误差≤±30mm8纵向跨距允许误差≤±500mm5.3施工工艺流程槽道定位前准备→二衬防排水系统施工→槽道型号选定组装、二衬钢筋绑扎→隧道及台车中心线相对位置确定→模板台车移至未绑扎钢筋及衬砌段→槽道在模板台车上的初步定位→模板台车行走至设计里程并精确定位→槽道接地连接→止水带、台车挡头模板安装→砼浇注→卸除T型螺栓→脱模→槽道位置误差的检测记录和中线标示→二衬砼养护。二衬防排水系统施工二衬防排水系统施工槽道型号选定组装、二衬钢筋（加强钢筋）绑扎隧道与台车中心线相对位置确定模板台车移至未绑扎钢筋及衬砌段槽道在模板台车上的初步定位模板台车行走至设计里程并精确定位止水带、台车挡头模板安装槽道接地连接二衬砼浇注卸除T型螺栓脱模、槽道位置误差的检测记录和中线标示、二次砼养护施工工艺流程图槽道定位前准备5.4施工方法5.4.1施工前检查槽道内发泡填充物的完整状态，如有残缺，应进行填充。5.4.2将槽道摆放在标好的钢板上进行初步固定，检查槽道之间的距离，焊接槽道间的连接钢筋并加焊槽道定位斜筋，焊接成槽道组，要求槽道间距平行，避免八字型和上下错位，避免在浇注砼时槽道发生移位；槽道组根据设计间距用扁钢接牢固。（1）槽道组是确保槽道尺寸精度的关键，当槽道长度小于2m时用3条扁钢，大于2m时用4条扁钢，扁钢间距均布。（2）扁钢焊接要求应点焊在槽道的两侧壁上，焊接牢固谨防变形。槽道组组装模拟图槽道组组装模拟图当槽道长度小于2m时用3条扁钢，大于2m时用4条扁钢扁钢间距均匀布设（3）在隧道衬砌上预埋接触网槽道组时,槽道固定在模板上,其隧道定位务必按接触网平面图里程准确定位,模板台车上开螺栓孔应及槽道组位置匹配。（4）依据台车模板上槽道的设计要求位置，测量放样，在模板台车的相应位置准确划出定位线，依据槽道类型在台车上开设定位孔，定位孔在槽道两端、中间各一处。（5）定位孔开孔原则：应结合所有槽道预留台车模板布置图进行统筹优化，减少模板开孔数量，开孔方向按图施工；应避开台车模板的加固支撑、顶升固定点及各种连接结构；应严格按图控制槽道距台车边缘的距离。5.4.3槽道一次定位（1）在二衬钢筋绑扎至靠近台车侧后,按照设计位置进行放样,测量出槽道的里程中心位置及垂直方向后将焊接固定好的槽道组用定位钢筋临时焊接固定在钢筋网上就位。（2）在槽道后部锚杆处,垂直槽道方向间隔焊接带弯钩的几根短钢筋,长度约30cm,见下图所示，弯钩及槽道方向一致,将锚杆加固在钢筋网上。在台车就位前,利用台车模板开设的定位孔,把槽道安装到位,并检查其各种误差是否超标,合格后进行下道工序。（3）根据接地要求,将槽道和环向接地钢筋进行可靠焊接，槽道及防闪络接地钢筋焊接。（4）将槽道及模板固定点位置（开孔位置）的发泡填充物扣除。槽道接地焊接图槽道接地焊接图槽道与防闪络接地钢筋焊接5.5Ⅳa、Ⅲ级围岩地段预埋加固措施5.5.1A、F、G型槽道加固措施在Ⅳa、Ⅲ级硬质岩二衬为纤维混凝土地段接触网基础槽道为A型、F型、G型段落时采用Φ14钢筋网片加强，钢筋网片置于槽道背后，环向钢筋于槽道锚杆接触并可靠焊接，施工时通过模板台车定位槽道和定位钢筋网，如下图。5.5.2C、D、E型槽道加固措施Ⅲ级及Ⅳa衬砌地段接触网基础槽道为C型、D型、E型段落衬砌的加强，加强范围为纵向长度3m,拱墙配筋见下图：5.6槽道二次定位5.6.1台车移动就位至指定位置后,台车油缸顶升拱顶,拱腰模板到到位,及钢筋网片上固定槽道接近贴住后通过二次定位孔,找到槽道并调整台车位置将孔位及槽道相应位置对准,再次检查,复核槽道位置,防止预升过程中槽道移动。5.6.2将T型螺栓穿过钢模板的二次定位长孔,放入已经剔除泡沫填充物的槽道位置,水平旋转90度，将螺母拧紧,使槽道紧贴台车背面,达到模板上精确二次定位的目的,同时避免砼覆盖槽道；由技术人员对槽道的安装质量进行检查验收是否合格,并填写检查记录后报现场监理验收。5.6.3衬砌台车移动就位,根据接地设计要求,将槽道锚杆及相应接地钢筋进行可靠焊接,并通过螺栓位置再次检查槽道位置是否正确。5.6.4对台车上所开的二次定位孔进行有效封堵，封堵钢板可用柳丁及台车模板固定，确保局部不会出现漏浆，脱模后造成外观缺陷。5.7混凝土浇注和脱模后槽道检查、保护台车模板封堵完后，进行二次衬砌浇注，砼脱模前将T型螺栓松开,脱模后T型螺栓螺母松开，打开封堵，将T型螺栓反方向旋转90°，取出螺栓，将槽道表面的少量水泥浆剔除，将槽道固定处重新填补发泡填充物,做好后续养护工作。衬砌台车移走后，利用全站仪对预埋槽道的位置再次进行测量，并用白油漆画出隧道中心、线路中线，标注槽道中心里程,及时检测槽道贯通性电阻值、槽道间距误差、平行误差和嵌入误差，检查槽道的两端距线路中线的左右距离是否相等、两槽道之间的纵、横向间距是否满足设计要求，以利于后期制定更加合理的措施来克服施工偏差。栋梁坡隧道接触网槽道统计表衬砌类型里程及隧道线路关系槽道类型斜切洞门DK499+068.2中间G2DK499+068.2左、右D2ⅤcDK499+083.2中间A2DK499+090.8中间A1ⅤbDK499+107.2左F2DK499+119.2右F4DK499+131.2中间A2DK499+140.8中间A1DK499+155.2左F2DK499+167.2右F4DK499+179.2中间A2DK499+188.8中间A1ⅤaDK499+203.2左F2DK499+215.2右F4DK499+227.2中间A2ⅣaDK499+236.8中间A1DK499+251.2左F2DK499+263.2右F4DK499+275.2右C4DK499+275.2中间、左A2\C2DK499+284.8中间、左A1\C1DK499+287.2右C4DK499+299.2左F2DK499+311.2右F4DK499+320.8中间A1DK499+323.2中间A2DK499+332.8中间A1ⅢaDK499+335.2中间A2DK499+347.2左F2DK499+359.2右F4DK499+368.8中间A1DK499+371.2中间A2DK499+380.8中间A1DK499+383.2中间A2DK499+395.2左F2DK499+407.2右F4DK499+416.8中间A1DK499+419.2中间A2DK499+428.8中间A1DK499+431.2中间A2DK499+443.2左F2DK499+455.2右F4DK499+464.8中间A1DK499+467.2中间A2DK499+476.8中间A1DK499+479.2中间A2DK499+491.2左F2DK499+503.2右F4DK499+512.8左C1DK499+515.2中间、左A2\C2DK499+524.8中间、左A1\C1DK499+524.8右C3DK499+539.2左F2DK499+551.2右F4DK499+563.2中间A2DK499+572.8中间A1DK499+587.2左F2DK499+599.2右F4DK499+611.2中间A2DK499+620.8中间A1DK499+635.2左F2DK499+647.2右F4DK499+659.2中间A2DK499+668.8中间A1DK499+683.2左F2DK499+695.2右F4ⅣaDK499+707.2中间A2DK499+716.8中间A1DK499+731.2左F2DK499+743.2右F4ⅢaDK499+755.2中间A2DK499+764.8中间A1DK499+779.2左F2DK499+791.2右F4DK499+803.2中间A2DK499+812.8中间A1DK499+827.2左F2DK499+839.2右F4DK499+851.2中间A2DK499+860.8中间A1DK499+875.2左F2DK499+887.2右F4DK499+899.2中间A2DK499+908.8中间A1DK499+911.2左、右D2DK499+923.2左F2ⅣaDK499+935.2右F4DK499+947.2中间A2DK499+956.8中间A1DK499+971.2左F2DK499+983.2右F4DK499+992.8左、右D1DK499+995.2中间A2DK500+004.8中间A1DK500+019.2左F2DK500+031.2右F4DK500+043.2中间A2DK500+052.8中间A1DK500+067.2左F2DK500+079.2右F4DK500+091.2中间A2DK500+100.8中间A1DK500+115.2左F2DK500+127.2右F4ⅢaDK500+139.2中间A2DK500+148.8中间A1DK500+163.2左F2DK500+175.2右F4DK500+187.2中间A2DK500+196.8中间A1DK500+211.2左F2DK500+223.2右F4DK500+235.2中间A2DK500+244.8中间A1DK500+259.2左F2DK500+271.2右F4DK500+283.2中间A2DK500+292.8中间A1DK500+307.2左F2DK500+319.2右F4ⅣaDK500+331.2中间A2DK500+340.8中间A1DK500+355.2左F2DK500+367.2右F4DK500+379.2中间、左、右A2\C2\C4DK500+388.8中间A1DK500+388.8左C1DK500+391.2右C4DK500+403.2左F2DK500+415.2右F4DK500+424.8中间A1DK500+427.2中间A2DK500+436.8中间A1ⅤcDK500+439.2中间A2DK500+451.2左F2DK500+463.2右F4DK500+472.8中间A1DK500+475.2中间A2DK500+484.8中间A1DK500+487.2中间A2DK500+499.2左F2DK500+511.2右F4DK500+520.8中间A1DK500+523.2中间A2DK500+532.8中间A1DK500+535.2中间A2DK500+547.2左F2ⅣaDK500+559.2右F4DK500+568.8中间A1DK500+571.2中间A2DK500+580.8中间A1DK500+583.2中间A2DK500+595.2左F2DK500+607.2右F4DK500+616.8左、右C1\C3DK500+619.2中间A2DK500+628.8中间、左、右A1\C1\C3DK500+643.2左F2DK500+655.2右F4DK500+667.2中间A2DK500+676.8中间A1DK500+691.2左F2ⅢaDK500+703.2右F4DK500+715.2中间A2DK500+724.8中间A1DK500+739.2左F2DK500+751.2右F4DK500+763.2中间A2DK500+772.8中间A1DK500+787.2左F2DK500+799.2右F4DK500+811.2中间A2DK500+820.8中间A1DK500+835.2左F2DK500+847.2右F4DK500+859.2中间A2DK500+868.8中间A1DK500+883.2左F2DK500+895.2右F4DK500+907.2中间A2DK500+916.8中间A1DK500+931.2左F2DK500+943.2右F4DK500+955.2中间A2DK500+964.8中间A1DK500+979.2左F2DK500+991.2中间G2DK501+003.2中间A2DK501+012.8中间A1DK501+015.2左、右D2DK501+027.2左F2DK501+039.2右F4DK501+051.2中间A2DK501+060.8中间A1DK501+075.2左F2DK501+087.2右F4DK501+096.8左、右D1DK501+099.2中间A2DK501+108.8中间A1DK501+123.2左F2DK501+135.2右F4DK501+147.2中间A2DK501+156.8中间A1DK501+171.2左F2DK501+183.2右F4DK501+195.2中间A2DK501+204.8中间A1DK501+219.2左F2DK501+231.2右F4DK501+243.2中间A2DK501+252.8中间A1DK501+267.2左F2DK501+279.2右F4DK501+291.2中间A2DK501+300.8中间A1DK501+315.2左F2ⅣaDK501+327.2右F4DK501+339.2中间A2DK501+348.8中间A1DK501+363.2左F2DK501+375.2右F4DK501+387.2中间A2DK501+396.8中间A1DK501+411.2左F2DK501+423.2右F4DK501+435.2中间A2DK501+444.8中间A1DK501+459.2左F2DK501+471.2右F4DK501+483.2中间、左A2\C2DK501+483.2右C4DK501+492.8中间、左A1\C1DK501+495.2右C4DK501+507.2左F2ⅤaDK501+519.2右F4DK501+528.8中间A1DK501+531.2中间A2DK501+540.8中间A1DK501+543.2中间A2DK501+555.2左F2DK501+567.2右F4DK501+576.8中间A1DK501+579.2中间A2DK501+588.8中间A1DK501+591.2中间A2DK501+603.2左F2DK501+615.2右F4DK501+624.8中间A1DK501+627.2中间A2ⅤcDK501+636.8中间A1DK501+639.2中间A2DK501+651.2左F2DK501+663.2右F4DK501+672.8中间A1DK501+675.2中间A2DK501+684.8中间A1DK501+687.2中间A2DK501+699.