公路勘测与设计原理_东大网院2019秋_答案
公路勘测与设计原理_2019秋_011.[单选题]设计速度为60km/h的平曲线最小长度应为()
A.50m
B.80m
C.150m
D.100m
正确答案:——D——
2.[单选题]若对称基本型平曲线的回旋线切线角为β,曲线转角为α,则要求()
A.α>2β
B.β
C.α
D.α
正确答案:——A——
3.[单选题]设计速度为100km/h时,凸型竖曲线视觉所需的最小半径为()
A.20000m
B.12000m
C.10000m
D.16000m
正确答案:——D——
4.[单选题]大、中桥上的纵坡不宜大于()
A.5%
B.4%
C.3%
D.2.5%
正确答案:————
5.[单选题]某二级公路起算年交通量为5000(pcu/h),若交通量年增长率为5%,则设计交通量应为()
A.9900(pcu/h)
B.12635(pcu/h)
C.8145(pcu/h)
D.7388(pcu/h)
正确答案:————
6.[单选题]当平曲线转角小于()时,易产生错觉。
A.7°
B.5°
C.10°
D.2°
正确答案:————
7.[单选题]某公路有一平曲线,半径为300m,设计速度为60km/h,则按离心加速度变化率计算的缓和曲线最小长度为()
A.40m
B.35m
C.38m
D.30m
正确答案:————
8.[单选题]施工高度(填挖高度)是指( )
A.路中线标高与地面标高之差
B.设计标高与地面标高之差
C.行车道边缘标高与外边缘地面标高之差
D.加宽后路基边缘标高与地面标高之差
正确答案:————
9.[单选题]若二级公路会车视距为80m,园曲线长度为100m,行车轨迹半径Rs=298m,则最大横净距为()
A.2.68m
B.2.01m
C.3.22m
D.A、B、C都不对
正确答案:————
10.[单选题]<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">二级双车道公路弯道处,已知超高横坡度为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">5%</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,采用绕路面内边线旋转方式,路拱横坡度为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">1.5%</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,超高缓和段长度为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">100m</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,加宽值为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">0.6m</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,采用比例<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">加宽,<span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">则当</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><span style=" TOP: 3pt; mso-text-raise: -3.0pt"><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"><img height="19" width="57" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/2ac44466-7fed-4282-9704-a1aca1e437b7/20104720125474.gif" /><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path><o:lock v:ext="edit" aspectratio="t"></o:lock></v:shapetype></span></span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">时,路肩外边缘的超高值计算采用下列那个公式(</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><span style="mso-spacerun: yes"></span></span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><o:p></o:p></span></span></span>
A.<img height="45" width="216" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/2ac44466-7fed-4282-9704-a1aca1e437b7/201047201245210.gif" />
B.<img height="24" width="145" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/2ac44466-7fed-4282-9704-a1aca1e437b7/201047201312538.gif" />
C.<p><img height="41" width="105" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/2ac44466-7fed-4282-9704-a1aca1e437b7/201047201540448.gif" /></p>
D.<img height="24" width="145" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/2ac44466-7fed-4282-9704-a1aca1e437b7/201047201339695.gif" />
正确答案:————
11.[判断题]爬坡车道的起点应设于陡坡路段上载重车运行速度降至“容许最低速度”处。
A.正确
B.错误
正确答案:————
12.[判断题]高速公路、一级公路路基设计洪水频率为1/100。
A.正确
B.错误
正确答案:————
13.[判断题]设计通行能力是指道路交通的运行状态保持在某一服务水平时,道路上某路段的通行能力。
A.正确
B.错误
正确答案:————
14.[判断题]空气阻力在匀速和加速行驶时取正值,减速行驶时取负值。
A.正确
B.错误
正确答案:————
15.[判断题]土石方纵向调配后,复核检查的等式之一是:挖方+借方=填方+弃方。
A.正确
B.错误
正确答案:————
16.[判断题]“S”型平曲线要求两曲线半径的比例为1~1/3,但对两个回旋参数没有比例要求。
A.正确
B.错误
正确答案:————
17.[判断题]在土石方数量中,计价土石方数量=挖方数量+填方数量+借方数量。
A.正确
B.错误
正确答案:————
18.[判断题]凹形竖曲线底部与反向平曲线拐点重合线形美观,排水顺畅。
A.正确
B.错误
正确答案:————
19.[判断题]设计速度为40km/h、30 km/h、20 km/h的公路,经技术经济论证,最大纵坡可增加1%。
A.正确
B.错误
正确答案:————
20.[判断题]在一个平曲线上连续出现多个凸凹竖曲线会出现“驼峰”与“凹陷”
A.正确
B.错误
正确答案:————
公路勘测与设计原理_2019秋_02
1.[单选题]某二级公路起算年交通量为5000(pcu/h),若交通量年增长率为5%,则设计交通量应为()
A.9900(pcu/h)
B.12635(pcu/h)
C.8145(pcu/h)
D.7388(pcu/h)
正确答案:——A——
2.[单选题]新建高速公路、一级公路的设计标高是指()
A.路中线标高
B.行车道边缘标高
C.路基边缘标高
D.中央分隔带外侧边缘标高
正确答案:——D——
3.[单选题]已知二级公路的设计速度为60km/h,路拱横坡为1.5%,路基宽度为10m,在弯道处的超高横坡为4%,若采用绕车道内侧边缘旋转时,则其超高缓和段长度计算值为()
A.50m
B.35m
C.45m
D.55m
正确答案:——B——
4.[单选题]当平曲线转角小于()时,易产生错觉。
A.7°
B.5°
C.10°
D.2°
正确答案:————
5.[单选题]设计速度为80km/h的路段,其竖曲线相邻坡段的纵坡度分别为+3%、-4%,则其竖曲线最小半径为()
A.2000m
B.2900m
C.C2428m
D.2353m
正确答案:————
6.[单选题]公路加宽一般应在()加宽。
A.弯道外侧行车道
B.弯道内侧行车道
C.弯道外侧行车道和内侧行车道同时
D.在行车道中间
正确答案:————
7.[单选题]若对称基本型平曲线的回旋线切线角为β,曲线转角为α,则要求()
A.α>2β
B.β
C.α
D.α
正确答案:————
8.[单选题]<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">二级双车道公路弯道处,已知超高横坡度为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">5%</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,采用绕路面内边线旋转方式,路拱横坡度为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">1.5%</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,超高缓和段长度为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">100m</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,加宽值为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">0.6m</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,采用比例<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">加宽,<span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">则当</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><span style=" TOP: 3pt; mso-text-raise: -3.0pt"><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"><img height="19" width="57" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/2ac44466-7fed-4282-9704-a1aca1e437b7/20104720125474.gif" /><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path><o:lock v:ext="edit" aspectratio="t"></o:lock></v:shapetype></span></span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">时,路肩外边缘的超高值计算采用下列那个公式(</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><span style="mso-spacerun: yes"></span></span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><o:p></o:p></span></span></span>
A.<img height="45" width="216" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/2ac44466-7fed-4282-9704-a1aca1e437b7/201047201245210.gif" />
B.<img height="24" width="145" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/2ac44466-7fed-4282-9704-a1aca1e437b7/201047201312538.gif" />
C.<p><img height="41" width="105" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/2ac44466-7fed-4282-9704-a1aca1e437b7/201047201540448.gif" /></p>
D.<img height="24" width="145" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/2ac44466-7fed-4282-9704-a1aca1e437b7/201047201339695.gif" />
正确答案:————
9.[单选题]施工高度(填挖高度)是指( )
A.路中线标高与地面标高之差
B.设计标高与地面标高之差
C.行车道边缘标高与外边缘地面标高之差
D.加宽后路基边缘标高与地面标高之差
正确答案:————
10.[单选题]动力特性图中实线与虚线的关系是()
A.虚线以下部分的实线可应用
B.虚线以上部分的实线可应用
C.二者没关系
D.虚线与实线交点处不能应用
正确答案:————
11.[判断题]竖曲线采用二次抛物线而非圆曲线是因为在设计及计算上比圆曲线更方便。
A.正确
B.错误
正确答案:————
12.[判断题]最小必要超车视距不能完成超车。
A.正确
B.错误
正确答案:————
13.[判断题]平曲线上二次变坡是很好的组合。
A.正确
B.错误
正确答案:————
14.[判断题]路拱坡度在干旱地区宜采用低值,在多雨地区宜采用高值。
A.正确
B.错误
正确答案:————
15.[判断题]四级公路只有单车道而无双车道
A.正确
B.错误
正确答案:————
16.[判断题]在竖曲线上行驶时,为使失重不过大,应控制行驶速度。
A.正确
B.错误
正确答案:————
17.[判断题]边沟的作用是排除路面及边坡处汇集的地表水,以确保路基与边坡的稳定。
A.正确
B.错误
正确答案:————
18.[判断题]回旋参数越小,则回旋线的弯曲程度越缓。
A.正确
B.错误
正确答案:————
19.[判断题]进行汽车的纵向稳定性受力分析时,可忽略惯性阻力。
A.正确
B.错误
正确答案:————
20.[判断题]在推导汽车在进入弯道时的行驶轨迹时,假定方向盘转动是匀变速的。
A.正确
B.错误
正确答案:————
公路勘测与设计原理_2019秋_03
1.[单选题]路基横断面设计图的布置顺序为()
A.从上到下,从左到右
B.从上到下,从左到右
C.从下到上,从左到右
D.从下到上,从右到左
正确答案:——C——
2.[单选题]缓和坡段纵坡不应大于()
A.2%
B.3%
C.2.5%
D.3.5%
正确答案:——B——
3.[单选题]若对称基本型平曲线的回旋线长度为100m,则圆曲线长度宜为()
A.200m
B.80m
C.500m
D.400m
正确答案:——A——
4.[单选题]纵向倒溜的临界条件是()
A.下滑力与全部车轮附着力相等
B.下滑力与驱动轮附着力相等
C.下滑力小于全部车轮附着力
D.下滑力大于驱动轮附着力
正确答案:————
5.[单选题]考虑乘客的舒适程度,要求横向力系数()
A.<img height="21" width="52" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/f21627d4-6892-46fb-aa6d-4e1f9e041f58/201046153836968.gif" />
B.<img height="21" width="60" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/f21627d4-6892-46fb-aa6d-4e1f9e041f58/20104615385747.gif" />
C.<img height="21" width="60" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/f21627d4-6892-46fb-aa6d-4e1f9e041f58/201046153918751.gif" />
D.<img height="21" width="60" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/f21627d4-6892-46fb-aa6d-4e1f9e041f58/201046153943876.gif" />
正确答案:————
6.[单选题]<p class="MsoNormal" style="MARGIN-LEFT: 29.9pt; LINE-HEIGHT: 150%; mso-para-margin-left: 2.85gd"><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">若对称基本型平曲线的</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%">JD</span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">桩号为</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%">K6+112.5</span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">,切曲差</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><span style=" TOP: 6pt; mso-text-raise: -6.0pt"><v:shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" o:preferrelative="t" o:spt="75" coordsize="21600,21600"><img height="24" width="67" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/f33d1beb-7af6-420d-9f04-7a85e2c32d53/201046161251708.gif" /><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:connecttype="rect" gradientshapeok="t" o:extrusionok="f"></v:path><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype></span></span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">,则曲线中点的桩号为(</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><span style="mso-spacerun: yes"></span></span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%"><o:p></o:p></span></p>
A.K6+116.14
B.K6+108.86
C.K6+105.22
D.K6+110.68
正确答案:————
7.[单选题]<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">二级双车道公路弯道处,已知超高横坡度为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">5%</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,采用绕路面中线线旋转方式,路拱横坡度为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">1.5%</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,超高缓和段长度为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">60m</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,加宽值为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">0.6m</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,采用比例<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">加宽,<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">则当</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><span style=" TOP: 3pt; mso-text-raise: -3.0pt"><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"><img height="19" width="57" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/d2cc5bd0-f552-4958-a89a-c28e201eafd7/201047204631121.gif" /><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path><o:lock v:ext="edit" aspectratio="t"></o:lock></v:shapetype></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">时,路中线的超高值计算采用下列那个公式(</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><span style="mso-spacerun: yes"></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">)</span></span></span>
A.<img height="41" width="188" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/d2cc5bd0-f552-4958-a89a-c28e201eafd7/201047204753435.gif" />
B.<img height="24" width="151" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/d2cc5bd0-f552-4958-a89a-c28e201eafd7/201047204957454.gif" />
C.<img height="41" width="221" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/d2cc5bd0-f552-4958-a89a-c28e201eafd7/20104720521926.gif" />
D.<img height="41" width="109" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65641/d2cc5bd0-f552-4958-a89a-c28e201eafd7/201047205525509.gif" />
正确答案:————
8.[单选题]下列那个桩号不属于五个基本桩号()
A.直缓点(ZH)
B.交点(JD)
C.缓园点(HY)
D.曲中点(QZ)
正确答案:————
9.[单选题]设计速度为80km/h的二级公路,各部分分尺寸构成一般为()
A.2×3.5+1.5×2+1×2
B.2×3.5+1.75×2+0.75×2
C.2×3.25+2×2+0.75×2
D.2×3.75+1.5×2+0.75×2
正确答案:————
10.[单选题]平曲线转角为30°,半径为200m,则其外距为()
A.5.54m
B.不能确定
C.6.06m
D.7.06m
正确答案:————
11.[判断题]二级公路需设慢车道的路段经技术经济论证,可利用加固后的路肩作为慢车道,并应在车道与慢车道间采用划线分隔。
A.正确
B.错误
正确答案:————
12.[判断题]汽车的档位是根据变速箱不同的变速比而确定。
A.正确
B.错误
正确答案:————
13.[判断题]当小圆半径介于“不设缓和曲线最小半径”与“不设超高最小半径”之间时,不能设置复曲线。
A.正确
B.错误
正确答案:————
14.[判断题]计算极限最小半径时,µ和i通常采用最大值。
A.正确
B.错误
正确答案:————
15.[判断题]平曲线设置缓和曲线后,因有内移值,所以曲线半径为R+⊿R(内移值)
A.正确
B.错误
正确答案:————
16.[判断题]四级公路只有单车道而无双车道。
A.正确
B.错误
正确答案:————
17.[判断题]平曲线线形应特别注意技术指标的均衡和与连续。
A.正确
B.错误
正确答案:————
18.[判断题]平曲线应与竖曲线重合,且平曲线应长于竖曲线。
A.正确
B.错误
正确答案:————
19.[判断题]当曲线转角小于7°时,为使驾驶者不产生错觉,应使其外距与7°时相等。
A.正确
B.错误
正确答案:————
20.[判断题]预测交通量为30000辆的干线公路宜采用一级公路
A.正确
B.错误
正确答案:————
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