【多选题】
路基宽度的设计需考虑哪些因素? ___
A. 路拱断面、
B. 轨道类型
C. 道床标准形式和尺寸
D. 路肩宽度
E. 机械化作业的需求
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
ABCDE
解析
暂无解析
相关试题
【多选题】
下列关于I及线路曲线地段路基外侧加宽正确的是? ___
A. 曲线半径600(m)及以下,路基外侧加宽值0.5(m)
B. 曲线半径600以上~800(m),路基外侧加宽值0.4(m)
C. 曲线半径800以上~1200(m),路基外侧加宽值0.3(m)
D. 曲线半径1200以上~2500(m),路基外侧加宽值0.2(m)
E. 曲线半径2500以上~4000(m),路基外侧加宽值0.5(m)
【多选题】
下列关于路肩的作用,说法正确的是? ___
A. 防止道砟散落,保持道床完整
B. 阻止土体横向运动,保持路基的稳定
C. 为相关作业人员提供行走、避车之处
D. 作为临时堆放城市轨道交通相关专业维修所需的材料、机具的场所
E. 为设置规定的线路标志和信号标志提供空间
【多选题】
路堑是由哪些部分组成的? ___
A. 路基顶面
B. 侧沟
C. 路堑边坡
D. 路堑隔带
E. 弃土堆
【多选题】
下列关于路堑侧沟说法正确的是? ___
A. 侧沟的深度和底宽均应不小于0.4m
B. 侧沟的沟底纵向坡度应不小于2‰,困难地段应不小于1‰
C. 侧沟的土质边坡坡度为1:1~1:1.5
D. 弱路堑边坡比较稳定时,也必须设侧沟平台
E. 侧沟的土质边坡坡度可以随便设置
【多选题】
下列属于路基病害的是? ___
A. 路基干燥
B. 路基沉陷
C. 边坡滑塌
D. 翻浆冒泥
E. 路基冻害
【多选题】
下列属于地面排水设备的有? ___
A. 排水沟
B. 侧沟
C. 天沟
D. 吊沟
E. 渗井
【多选题】
按建筑材料划分,涵洞可以分为? ___
A. 石涵
B. 圆涵
C. 钢筋混凝土涵
D. 混凝土涵
E. 箱涵
【多选题】
下列属于坡面防护的有? ___
A. 灌浆勾缝
B. 抹面
C. 喷浆
D. 喷射混凝土
E. 干砌或浆砌片石护坡
【多选题】
下列关于桥梁说法正确的是? ___
A. 长度在20m及以下的桥梁称为小桥
B. 长度在20m以上至10Om的桥梁称为中桥
C. 长度在100m以上至500m的桥梁称为大桥
D. 长度在500m以上的桥梁称为特大桥
E. 长度在100m以上至500m的桥梁称为特大桥
【多选题】
按采用的建筑材料的不同,桥梁可分为哪三种? ___
A. 钢桥
B. 钢筋混凝土桥
C. 梁式桥
D. 拱桥
E. 石桥
【多选题】
按桥梁结构的类型分类,桥梁可分为哪几种? ___
A. 梁式桥
B. 拱桥
C. 刚架桥
D. 斜拉桥和悬桥
E. 箱形桥和桁架桥
【多选题】
按桥面所在的位置分类,桥梁可分为哪三种? ___
A. 上承式桥
B. 下承式桥
C. 刚架桥
D. 中承式桥
E. 桁架桥
【多选题】
下列关于隧道的说法,正确的四项是? ___
A. 隧道是围护车辆、行人或各种专业设施通行的设备
B. 城市轨道交通,为回避地面交通的拥挤,选择在地下土层内设置隧道,再于隧道内铺设轨道
C. 隧道,是一种建筑物,是地下车站之间的连接设施
D. 当轨道铺设于隧道内部时,隧道既是轨道设施的下部建筑,又是轨道设施的围护建筑
E. 隧道一定是圆形的
【多选题】
隧道按断面形式可以分为哪几种? ___
A. 矩形
B. 拱形
C. 圆形
D. 多圆形
E. 椭圆形
【多选题】
车站之间的隧道线路,为什么会采用高站位、低区间的方式? ___
A. 节省车站工程费用
B. 设计师随意设计的,并没有特别用意
C. 缓和与地下管线、建筑物之间的矛盾
D. 节能省电,减少隧道温升
E. 地铁列车进站上坡有利制动,出站下坡有利加速
【多选题】
地下隧道的施工方法选择时,需要考虑的因素有? ___
A. 地形
B. 地貌
C. 地质
D. 水文
E. 隧道的功能
【多选题】
道砟陷坑是路基基床内部由于道床下陷形成的各种坑洼的统称,道作陷坑最常见4种形式有? ___
A. 道砟槽
B. 道砟锅
C. 道砟囊
D. 道砟窝
E. 道床板结
【多选题】
造成道床沉陷的原因有那三种原因? ___
A. 道床脏污,积水排不出去,在猫土路基地段,使路基顶面软化,道砟逐渐压人路基内,形成道床沉陷
B. 道床捣固不实,存在小坑,随着地铁列车振动,小坑逐渐扩大,形成道床沉陷
C. 捣固作业时,道砟捣固紧实造成的
D. 道床厚度不足,或在非渗水土路基地段未按规定铺砂垫层,道砟压人路基面内形成道作陷槽造成道床沉陷
E. 对上道前的道砟进行清筛作业
【多选题】
下列关于翻浆冒泥说法正确的是? ___
A. 泥浆从路基面上翻冒,越接近路基面越严重
B. 往往先在钢轨接头处翻冒
C. 翻浆的同时,伴有大幅度的路基下沉或路基侧向挤出的现象发生
D. 翻浆与冒泥会对轨道结构产生大病害
E. 翻浆与冒泥是对轨道结构有益的变现形式
【多选题】
下列说法中,关于路间变形正确的三项有? ___
A. 常见的路肩变形有路肩横向挤出和隆起
B. 路肩变形,常发生在钻性土、粉质勃土甚至淤泥等排水不良土质的路基基床中。
C. 路肩变形的发生,与路基土质好坏没有关系
D. 路肩变形不会对列车运行产生安全影响
E. 路肩变形,往往随着时间的延长而逐渐加剧,从而影响列车运行安全
【多选题】
关于路基边坡变形的说法正确的三项有? ___
A. 边坡变形一定会使路堤两侧同时向外突出
B. 边坡变形属于路基病害的一种
C. 边坡变形大多发生在路基的一侧
D. 边坡变形不会对列车安全运行产生影响
E. 边坡变形会对列车安全运行产生影响
【多选题】
下列关于路基病害防治的说法正确三项是? ___
A. 路基病害(基床变形)的防治,必须遵循预防和整治相结合的原则
B. 路基病害(基床变形)的防治,可忽视预防,偏重整治
C. 路基病害(基床变形)的防治,整治后可以不经常维护
D. 道床厚度不足,是产生基床变形的主要原因之一
E. 整治基床变形首先要着重治水,水是路基病害最主要的根源
【多选题】
关于道床清筛的说法,正确的三项是? ___
A. 道床脏污不会影响行车安全,故不用清理
B. 道床严重脏污,石作表面沾满泥浆不能清筛时,应更换新道砟
C. 定期清筛枕盒及枕头土垅,有利于地表水排出道床
D. 彻底清筛后,枕下清碎厚度不少于250mm
E. 道床清筛过后,不必考虑道床厚度,有道砟即可
【多选题】
常规的路基病害的防治方法有哪些? ___
A. 用清筛道床来整治因道床不洁所造成的道床翻浆病害
B. 道床的下部路基面上,加铺砂垫底
C. 在基床顶面设封闭层,隔离地表水,防止渗人,从而使土体保持稳固
D. 路堤基床的病害范围太大时,可用优质土更换原来不良的土质,改善基床的工作条件
E. 可用横向盲沟、纵向渗沟或隔断层等措施加强排水
【多选题】
下列关于路基滑坡说法正确的四种说法是? ___
A. 雨季的中、后期常易发生滑坡
B. 丘陵、山区城市出现滑坡情况比较多
C. 路基滑坡不会对行车安全产生影响
D. 改变滑体重心位置,增强稳定因素,能有效防治滑坡产生
E. 地面构筑物移位变形;树木歪斜;池塘、水田渗漏是大滑坡的前兆
【多选题】
下列属于路基滑坡的防治措施的是哪四项? ___
A. 加强道床捣鼓作业
B. 消除水的有害作用,能有效防治滑坡产生
C. 改变滑体重心位置,增强稳定因素,能有效防治滑坡产生
D. 修建支挡建筑物,防止滑动,能有效防治滑坡产生
E. 改善滑带土的性质,提高力学强度,能有效防治滑坡产生
【多选题】
下列粒径土体中,属于卵石或碎石的是那三项? ___
A. 300mm
B. 150mm
C. 100mm
D. 50mm
E. 15mm
【多选题】
下列关于沙类土说法正确的三项是? ___
A. 粗砂是指粒径小于0.5mm的颗粒超过全重50%
B. 粗砂是指粒径大于0.5mm的颗粒超过全重50%
C. 中砂是指粒径大于0.25mm的颗粒超过全重50%
D. 细砂是指粒径大于0.1mm的颗粒超过全重75%
E. 细砂是指粒径小于于0.1mm的颗粒超过全重75%
【多选题】
下列关于黏性土描述正确的三项是? ___
A. 黏砂土的塑性指数3<≤7
B. 砂黏土的塑性指数7<≤17
C. 黏土的塑性指数≥17
D. 黏土的塑性指数<17
E. 黏砂土的塑性指数<3
【多选题】
关于添乘仪使用正确的四项是? ___
A. 进行添乘仪添乘作业时,需携带添乘证
B. 添乘仪需摆放在平稳牢固的位置
C. 添乘仪可以随便摆放,不用在意摆放位置及方向
D. 添乘作业时,里程上行为递增,下行为递减
E. 添乘作业时,需按照设置校准里程整数倍进校对
【多选题】
下列关于更换钢轨说法正确的两项是? ___
A. 当钢轨伤损达重伤标准,应及时更换
B. 当钢轨伤损达轻伤标准,应有计划地组织更换
C. 钢轨只要有伤损,就要进行更换
D. 钢轨只要没有损伤,就可以一直使用,多久都不用更换
E. 钢轨损坏不会影响列车安全
【多选题】
更换钢轨作业,需要的工具有? ___
A. 钻孔机
B. 起道机
C. 扳手
D. 轨距尺
E. 轨温计
【多选题】
更换钢轨作业中,需要的材料有? ___
A. 备用轨距块
B. 扣件
C. 胶垫
D. 垫圈
E. 螺栓
【多选题】
关于备轨制作的说法正确四项是? ___
A. 制作备轨前需进行确认测量
B. 用锯轨机锯轨时,应使锯片垂直钢轨
C. 锯轨前应确认钢轨摆放平整牢靠
D. 锯轨没有太大危险,不用做安全防护措施
E. 制作备轨过程中,非锯轨人员应远离锯轨机,禁止站在锯轨机对面
【多选题】
下列关于内燃锯轨机使用说法正确的四项是? ___
A. 使用锯轨机前应确认机器能正常运行
B. 使用锯轨机作业时,操作人员应穿戴相应的劳保用品
C. 使用锯轨机前,应检查锯片是否完整,有无裂纹破损,如有,应及时更换
D. 锯轨机本身没有太大危险,使用时不用做安全防护措施
E. 锯轨机及时长时间不适用,也需要定期进行保养
【多选题】
下列关于内燃钻孔机使用说法正确的四项是? ___
A. 使用钻孔机作业时,操作人员应穿戴相应的劳保用品
B. 使用钻孔机时,要时刻保证钻孔过程中有充足的水
C. 使用钻孔机时,先开水,再加油门钻孔作业
D. 使用钻孔机时,先加油门钻孔作业,再打开水阀压水
E. 使用钻孔机时,要先关油门停止作业,再关水阀
【多选题】
下列关于更换钢轨说法正确的四项是? ___
A. 更换钢轨前,需用钢尺认真丈量要更换的钢轨
B. 更换钢轨前,使用气温计算预留轨缝,确定新轨长度(含轨缝预留量)应与换出的钢轨缺口长度相等
C. 更换钢轨尺寸不用太精确,可以放入线路里就好
D. 更换钢轨后,需调整前后轨缝及轨距水平等
E. 更换钢轨应穿戴好个人劳保用品,防止受伤害。
【多选题】
关于线路备轨摆放位置的说法,正确的三项是? ___
A. 备轨放在轨枕头时,距线路上的钢轨净距不少于150㎜
B. 备轨放在轨枕头时,只要不贴紧线路钢轨就可以
C. 备轨放在道心时,距线路的钢轨净距不少于300㎜
D. 备轨放在道心时,高度不得超过线路上的钢轨面25㎜
E. 钢轨运到现场时,可按个人意愿随意摆放
【多选题】
关于更换接头位置夹板,说法正确的三项是? ___
A. 换入钢轨与换出钢轨类型不同时,需配备异型夹板
B. 有绝缘接头,需与供电部门联系进行配合
C. 现场更换接头,可按个人意愿更换夹板类型,只要夹紧上牢就好
D. 如需更换道岔尖轨部位夹板,需通号部门联系进行配合
E. 更换夹板作业比较容易,不用穿戴劳保用品
【多选题】
下列说法正确的是? ___
A. 施工负责人需携带手机、对讲机并保持畅通状态
B. 作业区域两端需设置好防护,如设立红闪灯等
C. 车站端门打开,可以进入区间,可不用向车站值班员请点,自行下站作业即可
D. 施工负责人需获得施工负责人证,方可担当施工负责人
E. 施工过程中,发现异常情况,需向生产调度、行调及有关部门汇报
推荐试题
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in, Experts say our company is amazing in that sales have been increasing steadily [ ]
【填空题】
make it, with open arms ,strip off,keep back, free of/ from ,after all,straighten up, throw away After 10 years of full-time training, she has,finally [ ] as a professional dancer.
【填空题】
make it, with open arms ,strip off,keep back, free of/ from ,after all,straighten up, throw away [ ], what is the point in taking part in the competitive event if the result is only to prove how incompetent you are?,
【填空题】
make it, with open arms ,strip off,keep back, free of/ from ,after all,straighten up, throw away Redecorating the house is a challenging task. It's necessary to [ ] the wallpaper first.
【填空题】
make it, with open arms ,strip off,keep back, free of/ from ,after all,straighten up, throw away I never really had any problems with change. On the contrary, I welcome change [ ]
【填空题】
make it, with open arms ,strip off,keep back, free of/ from ,after all,straighten up, throw away A lot of what we [ ] is made from raw materials which are not renewable
【填空题】
make it, with open arms ,strip off,keep back, free of/ from ,after all,straighten up, throw away Megan and John realized that their house was too messy for a new baby, so they decided to [ ] their house before the baby was born
【填空题】
make it, with open arms ,strip off,keep back, free of/ from ,after all,straighten up, throw away Jennifer couldn't [ ] her tears when she saw the sick children at a new blood cancer center in Virginia
【填空题】
make it, with open arms ,strip off,keep back, free of/ from ,after all,straighten up, throw away We want to give all children a world [ ] violence
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile Fortunately, the accident didn't [ ] many people, for there was little traffic at that hour.
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile She[ ] her ambition of becoming a fashion designer after years of hard work
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile They kept on trying their best to develop their business, but in such [ ]market competition, they had no Idea if success would come along one day
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile As music plays an important role in our life, many music teachers and educators [ ] taking up a musical instrument at a young age
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile This rule should be entirely clear in the minds of everyone and should not be misunderstood under any [ ]
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile My daughter was shy; she was afraid to ask questions,[ ] to questions in class,or talk with other children
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile I got from him only a letter, which was put on my office desk; [ ] to the receipt of this letter I have never heard from him
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile The duties to provide services for children in need are not [ ] to the local social services department
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile We pray that all nations be [ ] and that all people around the world live in peace
【填空题】
controversial,assess, resolve,decrease,alter,abandon,indicate,undermine,compromise, conventional It was reported the president had [ ]to fight If war was necessary,even if it meant destroying his chances of re-election
【填空题】
controversial,assess, resolve,decrease,alter,abandon,indicate,undermine,compromise, conventional I had to [ ] one of my email accounts as it was filled with junk mail
【填空题】
controversial,assess, resolve,decrease,alter,abandon,indicate,undermine,compromise, conventional Darwin's theory of evolution remains[ ] partly because it challenges the religious belief that God created man
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile He suggested a small but [ ] improvement on our former plan; I really appreciate it.
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need, be/ get caught up in She held her hand above her eyes to [ ]them [ ] the sun so that she could see more clearly the man in front of her
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need, be/ get caught up in The boy studied the signs for over an hour,but still could not [ ]them, so he turned to his teacher for help
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need, be/ get caught up in They [ ] the developed countries to commit more money to protecting the environment
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need, be/ get caught up in We will continue to care for those [ ] and work to establish a society that is generous and prosperous
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need, be/ get caught up in Many people [ ]careers and raising kids so that they forget that their marriages also need to be taken good care of
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need, be/ get caught up in My most favorite program is the one that deals with scientific subjects that ordinary people can [ ]
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need, be/ get caught up in Finally, I would like to [ ]by saying that it has been a tremendous pleasure to work with you all
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need, be/ get caught up in He is a person that you always [ ]when you need help.
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need, be/ get caught up in This restaurant is very popular because it has some separate, smaller rooms [ ] families with small children
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need, be/ get caught up in Betty loves reading.[ ],“Reading is the most wonderful thing in the world.”
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in, Every one of you has made a contribution and I [ ] knowledging what each of you has done to make this academic convention such a success.
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in They all tried to talk [ ], but I couldn't hear anything they said
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in, Yellow flowers in the field always [ ] me [ ] my childhood in the countryside
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in, We have been practicing for so long and so hard that our team should [ ]winning the game
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in, Research on genes will [ ] exciting new medical treatments.,
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in, My family [ ] on my father's unemployment benefit after he lost his job
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in, Many subway riders read books or listent music in order to [ ] their time on the way to work
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in, In order to make sure he would be able to attend the meeting, I called him up two weeks [ ]