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4. 作业验收时,轨距误差:规定窄不得超过___。
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5.在线路直线部分,轨距不应大于___。
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6. 在线路直线部分,轨距不应小于___。
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7.轨距测量在日常检查中,通常每___检查一处。
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8. 轨距的变化率不超过___。
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9. 轨距的大小是由机车车辆的轮对___确定的。
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10.我国国家标准规定正直线轨距误差的允许范围为在___。
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11.我国国家标准规定正直线轨距误差的允许范围保养标准为___。
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12.我国国家标准规定正直线1m范围内轨距不得有___以上的误差。
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13.水平是指轨道上左右两股钢轨的___。
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14.在日常检查时,水平也用道尺进行检查,通常每___检查一处。
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15.《铁路技术管理规程》中规定:水平的允许误差,在维修线路的正线,到发线上,不得大于___。
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16.《铁路技术管理规程》中规定:水平的允许误差,在维修线路的正线,到发线上,不得大于4mm,其他线不得大于___为基准。
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17.水平的变化率不得超过___。
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18.水平的变化率1m距离内,变化不得超过___。
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19.线路上先是左股钢轨高,后是右股钢轨高,当前后两点的水平正负误差的代数差超过___时为三角坑。
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20.在检查三角坑时,基长为6.25m,但在延长___的距离内应不允许出现三角坑。
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21.在正线上当曲线半径等于或小于___时,圆曲线与直线间应设置缓和曲线。
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22.在正线上当曲线半径___2000m时,圆曲线与直线间应设置缓和曲线。
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23.圆曲线的最小长度不应小于___。
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24.相邻曲线间的的夹直线的长度,在有缓和曲线时,不小于___。
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25.全轴距系指一节车辆第一位轴至最后位轴之间距离,目前我国地铁车辆的全轴距最大不超过___。
【填空题】
26.道岔应设在直线地段,道岔端部至曲线端部的距离不宜小于___,车场线可以减少到3m。
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27.正线与联络线上曲线半径小于___时,直线与圆曲线间要设缓和曲线。
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28.为保证行车安全,按《地铁设计规范》规定:实设最大超高,不得大于___。
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29.我国规定,允许最大未被平衡欠超高,一般为75mm,特殊情况为___。
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30.城市轨道交通的现有运营线,最大外轨超高为___。
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31.在困难条件下,车场线上的曲线轨距加宽,允许按不大于___。递减曲线轨道的最大轨距,应能够确保行车安全,不使之掉道。
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32.曲线段,两股钢轨接头相错量不得超过___加所采用的缩短轨缩短量的一半。
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33.规定按线路允许速度检算,未被平衡欠超高不得大于___,否则应进行调整。
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34.联络线、出入段___线的最大坡度不宜大于______
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35.线路坡段长度不宜小于远期地铁列车长度,并应满足相邻竖曲线间的夹直线长度的要求,其夹直线长度不宜小于___。
【填空题】
36.隧道内和路堑地段的正线最小坡度不宜小于___。
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37.地面和高架桥上正线最小坡度为___。
【填空题】
38.车站站台计算长度段线路应设在___坡道上。
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39.地下车站一般设在___的坡道上。
【填空题】
40.地面和高架桥上的车站站台计算长度段线路宜设在___坡道上。
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41.道岔宜设在不大于___的坡道上。
【填空题】
42.最小坡段长度为一地铁列车长,取为___m。
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43.坡度值用每___m的水平距离与线路升高或降低的数值之比的千分率来表示。
【填空题】
44.隧道内折返线和存车线,既要保持隧道内最小的排水坡度,又需满足停放车辆和检修作业的要求,一般选取___。
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