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80.道岔设备修理分为___三大层次。
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D
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81.停车场50kg/m钢轨___单开道岔。
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82.正线整体道床___钢轨9号单开道岔及交叉渡线。
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83.停车场___钢轨7号单开道岔。
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84.正线整体道床60kg/m钢轨___单开道岔及交叉渡线。
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85.道岔信号转换设备采取___。
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86.道岔信号转换设备联动内锁闭,一点牵引,牵引点动程为___。
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87. 7号道岔道岔转辙器采用___曲线型尖轨。
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88.道岔转辙器采用50AT曲线型尖轨,尖轨长___。
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89.正线护轨为分开式,采用___钢轨制造。
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90.护轨顶面要高出基本轨___。
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91.轨距垫分中间轨距垫和接头轨距垫,各设___,共4个号码
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92.钢轨接头两侧采用___。
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93.正线9号道岔直股轨距为___。
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94.正线9号道岔曲股轨距加宽___。
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95.停车场7号道岔曲股轨距加宽为___。
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96.正线采用相离圆曲线线型,___弹性可弯尖轨。
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97.2号线正线尖轨设两个牵引点,第一牵引点动程为___,第二牵引点动程为()。
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98.单开辙叉、交叉渡线锐角辙叉、交叉渡线钝角辙叉采用___整铸辙叉。
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99.2号线正线道岔护轨采用分开式,采用___钢轨制造。
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100.4号线正线尖轨设两个牵引点,第一牵引点动程为___,第二牵引点动程为()。
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101.4号线正线尖轨理论转换力不大于___。
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102.停车场AT曲线型尖轨侧向过岔允许最高速度为___km/h。
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103.正线AT直线型尖轨侧向过岔允许最高速度为___km/h。
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104.停车场AT曲线型尖轨直向过岔允许最高速度为___km/h。
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105.正线开通初期3个月内每___小时巡道一次,3个月后视情况可改为每()小时巡道一次。
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106.人工巡道的周期间隔不应超过___小时。
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107.车辆段、停车场所有道岔___巡查一遍,特殊情况下,根据调度部门下发的施工计划执行。
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108.正线折返道岔、车辆段、停车场咽喉道岔应每___全面检查一次。
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109.正线普通道岔___全面检查一次。
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110.正线及车辆段、停车场道岔每___检查一次钢轨、轨端、尖轨、叉心等是否有肥边和波磨,并有计划安排打磨。
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111.每年在___季来临之前完成正线所有道岔及车辆段、停车场咽喉道岔的辙叉部分趾端和跟端接头拆检并涂油。
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112.每年___月完成所有道岔和道岔前后轨缝调查和轨缝均匀工作并做好记录。
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113.50kg/m钢轨曲线型尖轨7号道岔设计动程:___mm。
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114.道岔两尖轨尖端相错量不得超过___mm。
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115.冬季冰雪天气道岔除雪,做好地铁列车进出库前的道岔准备工作,并提前___小时进行除雪准备工作,保证地铁列车安全平稳的通过责任道岔。
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116.正线轨道工班夜间保障人员必须做到晚间和凌晨地铁列车进出库前清扫冰雪,做好地铁列车进库前的准备工作,并提前___小时进行除雪准备工作,保证地铁列车安全平稳的通过道岔。
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117.各工班责任分工道岔内的所有转辙部分应根据行车需要和冰雪情况确定除雪周期,而辙叉轮缘槽和护轨轮缘槽必须___小时彻底清除冰雪一次。
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118.经地铁列车碾压过的翼轨轮缘槽,严禁大于___小时清除一次。
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119.道岔两尖轨尖端距离大于6m时,则按不大于___‰的递减率递减,但中间应有不短于6mm的相等轨距段。
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120.导曲线可根据需要设置6mm的超高,并在导曲线范围内按不大于___‰顺坡。
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