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2020年二建考试公路工程强化试题及答案

来源:石家庄优异网校 时间:05-28

2020年二建考试公路工程强化试题及答案

1
2020年二建考试公路工程强化试题及答案    

  1.某公路K20+200~K20+400为填方路基,路基改建在左侧加宽3m,路面为水泥混凝土路面,如果加宽路基压实不足,水泥混凝土路面面板易产生的病害是()。
  A.纵向裂缝或断板
  B.横向裂缝或断板
  C.龟裂或横向裂缝
  D.龟裂或纵向裂缝
  [答案]A
  [解析]新加宽的路基压实不足,路基拓宽部分沉陷,而旧路基相对比较稳定,在纵向产生裂缝,严重时就可能断板。根据题干背景路基改建在左侧加宽3m,不是产生横向裂缝与龟裂的原因,则选项BCD错误。因此,本题的正确选项是“A.纵向裂缝或断板”
  2.下列属于中隧道的长度是()m。
  A.400
  B.600
  C.1200
  D.2000
  [答案]B
  [解析]按照长度分为特长隧道:L>3000m,长隧道:1000m≤L≤3000m,中隧道:500m
  3.复合式衬砌隧道和喷锚衬砌隧道施工时的现场监控量测的必测项目是()。
  A.围岩体内位移(洞内设点)
  B.围岩体内位移(地表设点)
  C.围岩压力
  D.洞内、外观察
  [答案]D
  [解析]根据《公路隧道施工技术规范》JTGF60-2009规定,复合式衬砌隧道和喷锚衬砌隧道施工时必须进行的必测项目有洞内外观察、周边位移、拱顶下沉、地表下沉4个,其余的为选测项目。围岩体内位移(洞内设点)、围岩体内位移(地表设点)和围岩压力均不在4个必测项目中,选项ABC错误。因此,本题的正确选项是“D.洞内、外观察”
  4.某涵洞顶上面直接铺筑水泥混凝土路面,按洞顶填土情况划分,该涵洞为()。
  A.明涵
  B.暗涵
  C.无压涵
  D.压力涵
  [答案]A
  [解析]按洞顶填土情况涵洞可分为洞顶不填土的明涵和洞顶填土厚度大于50cm的暗涵两类。按水力性能涵洞分为无压涵、半压力涵和压力涵。选项CD错误。涵洞顶上面直接铺筑水泥混凝土路面,说明洞顶不填土,因此,本题的正确选项是“A.明涵”。
  5.一级公路中线放样宜采用()进行测量放样。
  A.切线支距法
  B.偏角法
  C.穿线交点法
  D.坐标法
  [答案]D
  [解析]按照《公路路基施工技术规范》JTGF10-2006规定:高速公路、一级公路中线放样宜采用坐标法进行测量放样。坐标法放样快速、精度高、无累计误差。切线支距法、偏角法一般用在二、三、四级公路放线,选项AB错误;穿线交点法是纸上定线放交点的放线方法,选项C错误。因此,本题的正确选项是“D.坐标法”。
  6.属于视线诱导设施的是()。
  A.分合流标志
  B.旅游区标志
  C..道路施工安全标志
  D.指路标志
  [答案]A
  [解析]分合流标志具有视线诱导作用。因此,本题的正确选项是A。
  7.在路拌法水泥稳定土基层施工中,四个工序编号为:①准备下承层;②拌和;③洒水闷料;④,正确的工序先后排列是()。
  A.①②③④
  B.②①③④
  C.①②④③
  D.①③②④
  [答案]D
  8.公路工程质量事故的类别性质由()初步确定。
  A.质量监督站
  B.建设单位
  C.施工单位
  D.监理单位
  [答案]A
  [解析]这是考察公路工程质量事故的类别性质初步确定的考点。公路工程质量事故发生后,事故发生单位必须以最快的方式,将事故的简要情况同时向建设单位、监理单位、质量监督站报告。在质量监督站初步确定质量事故的类别性质后,再按要求进行报告。由此可见,选项A正确。公路工程质量事故的类别性质一般由质量监督站初步确定。对于质量事故类别的判定和上报程序都是重要考点,建议考生重点掌握。
  9.采用新奥法进行隧道施工的特点是()。
  A.钢木构件支撑
  B.衬砌技术
  C.钻爆法开挖
  D.喷锚技术
  [答案]D
  [解析]新奥法是新奥地利隧道施工方法的简称,它是从岩石力学的观点出发而提出的一种合理的施工方法,是采用喷锚技术、监控量测等并与岩石力学理论构成的一个体系而形成的一种新的工程施工方法。钢木构件支撑、钻爆法开挖、衬砌技术在其他施工方法都在使用,不是新奥法的特点,选项ABC错误。因此,本题的正确选项是“D.喷锚技术”。
  10.下列关于水泥混凝土路面施工的说法错误的是()。
  A.模板与混凝土拌和物接触表面应涂脱模剂
  B.模板拆除应在混凝土抗压强度不小于8.0MPa方可进行
  C.摊铺前应对基层表面进行风干处理,不得润湿
  D.混凝土运输过程中应防止漏浆和漏料
  [答案]C
  [解析]此题考查水泥混凝土路面施工技术。水泥混凝土摊铺前应对基层表面进行洒水润湿,但不能有积水。“对基层表面进行风干处理,不得润湿”显然不正确。因此,本题的正确选项是“C.摊铺前应对基层表面进行风干处理,不得润湿”。



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  134. /data/web/baijiao_branch_collect/view/index/pc/school_top.php ( 5.76 KB )
  135. /data/web/baijiao_branch_collect/view/index/pc/school_right.php ( 2.17 KB )
  136. /data/web/baijiao_branch_collect/view/index/pc/school_bottom.php ( 1.16 KB )
  137. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000284s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.000910s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '1152' AND `site_id` = 23 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000215s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000608s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 1152 [ RunTime:0.000205s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000707s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 1152 [ RunTime:0.000230s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_news` [ RunTime:0.000663s ]
  9. SELECT `a`.*,`content` FROM `fqi_school_news` `a` LEFT JOIN `fqi_school_news_content` `b` ON `b`.`content_id`=`a`.`content_id` WHERE `school_id` = 1152 AND `a`.`content_id` = '12705' AND `news_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000934s ]
  10. (select content_id,news_name,school_id from fqi_school_news where school_id = '1152' and content_id < '12705' and site_id <= '23' order by content_id desc limit 1) union all(select content_id,news_name,school_id from fqi_school_news where school_id = '1152' and content_id > '12705' and site_id <= '23' order by content_id asc limit 1) [ RunTime:0.000465s ]
  11. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000698s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 1152 AND `site_id` = 23 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000413s ]
  13. SELECT * FROM `fqi_school_course` WHERE `school_id` = 1152 AND `school_status` = 1 AND `course_status` = 1 ORDER BY `course_id` DESC LIMIT 8 [ RunTime:0.000230s ]
  14. SELECT * FROM `fqi_school_news` WHERE `school_id` = 1152 ORDER BY `click` DESC,`news_id` DESC LIMIT 5 [ RunTime:0.000158s ]
  15. SELECT `content_id`,`news_name`,`a`.`school_id`,`b`.`school_name` FROM `fqi_school_news` `a` LEFT JOIN `fqi_school` `b` ON `b`.`school_id`=`a`.`school_id` WHERE `a`.`site_id` = '23' AND `b`.`school_status` = '1' AND `news_status` = 1 AND `content_id` < 12705 ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.001449s ]
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