东北大学12春《路基路面工程》在线作业1、2、3答案
东北大学12春学期《路基路面工程》在线作业1一、单选题：
1. 路床是路面的基础，是指路面底面以下80cm范围内的路基部分，承受由路面传来的荷载，在结构上分为上路床(0-30cm)及下路床( )两层。 （满分：5）
A. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">30-80cm</span>
B. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">30-50cm</span>
C. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">30-150cm</span>
D. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">80-150cm</span>
2. 从路基的工作状态分析，路基顶面约( )范围内的土层，较强烈地感受到行车荷载的反复作用以及水温的反复干湿和冻融作用。 （满分：5）
A. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">30cm</span>
B. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">80cm</span>
C. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">150cm</span>
D. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">300cm</span>
二、多选题：
1. 路堤填筑必须考虑不同土质混合填筑、排水问题，正确的路堤填筑是( )。 （满分：5）
A. a
B. b
C. c
D. d
2. 在路基顶面铺筑面层结构，沿横断面方向由行车道、硬路肩和土路肩所组成。路面横断面的形式随道路等级的不同，可选择不同的型式，通常分为( )。 （满分：5）
A. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">槽式横断面</span>
B. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">凸式横断面</span>
C. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">全铺式横断面</span>
D. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">半铺式横断面</span>
3. 浸水路堤的稳定性，应按路堤最不利的情况进行边坡稳定性分析，其破坏一般发生在最高洪水位( )的时候。 （满分：5）
A. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">骤然升高</span></strong>
B. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">稳定</span></strong>
C. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">骤然降落</span></strong>
D. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">不稳定</span></strong>
4. 沟渠横断面设计应以水力计算为依据，在同时满足( )流速和流量要求的前提下，合理选择横断面尺寸及纵坡等。由于设计条件不同，涉及的因素较多，计算过程需要反复试算和调整。 （满分：5）
A. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">流速</span></strong>
B. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">流量</span></strong>
C. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">流速和流量</span></strong>
D. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">流速或流量</span></strong>
5. 路基防护加固工程中，把防止路基或山体因重力作用而坍滑，地基承载力不足而沉陷，主要起( )作用的结构物称为加固工程。 （满分：5）
A. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">支承</span></strong>
B. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">加固</span></strong>
C. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">疏干排水</span></strong>
D. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">减重</span></strong>
6. 公路路面时直接承受交通荷载、大气温度及雨水作用的结构，应具有良好的稳定性和足够的强度、刚度，其表面还应满足( )的要求。 （满分：5）
A. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">平整</span>
B. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">耐磨</span>
C. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">抗滑</span>
D. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">排水</span>
7. 边坡稳定性分析边坡轮廓的取值，对于折线形或阶梯形路堤边坡，一般可取平均值，例如图中取( )。 （满分：5）
A. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CAB</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线</span></strong>
B. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">AB</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线</span></strong>
C. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CDEB</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线</span></strong>
D. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">ADEB</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线</span></strong>
8. 地基反应模量与回弹模量的关系，如果只考虑回弹弯沉，则可以得到地基回弹反应模量KR，通常KR与总弯沉对应的地基反应模量K之间有 ( ) 关系。 （满分：5）
A. <em>K</em><sub>R</sub>=<em>K</em>
B. <em>K</em><sub>R</sub>=1.77<em>K</em>
C. <em>K</em><sub>R</sub>=2<em>K</em>
D. <em>K</em><sub>R</sub>=3<em>K</em>
三、判断题：
1. 凸形墙背的挡土墙和衡重式挡土墙，其墙背不是一个平面而是折面，称为折线形墙背。对于这类墙背，以墙背转折点或衡重台为界，分成上墙与下墙，分别按库伦方法计算主动土压力，然后取两者的矢量和作为全墙的土压力。( ) （满分：5）
A. 错误
B. 正确
2. 根据对边坡发生滑坍现象的观察，边坡破坏时形成一滑动面。滑动面的形状与土质有关；对于粘性土，滑动土体有时象圆柱形，有时象碗形；对于松散的砂性土及砂土，滑动面类似于平面。( ) （满分：5）
A. 错误
B. 正确
3. 如果由于浸水路堤外河水猛涨，使路堤左右两侧水位发生差异。若路堤用透水性较强的土填筑，虽可发生横穿路堤的渗透，但其作用力一般较小，不计算动水压力。( ) （满分：5）
A. 错误
B. 正确
4. 地下水包括上层滞水、潜水及层间水等，它们对路基的危害程度，因条件不同而异。轻者能使路基湿软，降低路基强度；重者会引起冻胀、翻浆或边坡滑坍，甚至整个路基沿倾斜基底滑动。水还可能造成掺有膨胀土的路基工程毁灭性的破坏。( ) （满分：5）
A. 错误
B. 正确
5. 路基边坡滑坍是公路上常见的破坏现象之一。例如，在岩石或土质山坡上开挖路堑，有可能因自然平衡条件被破坏或者因边坡过陡，使坡体沿一滑动面产生滑坡。( ) （满分：5）
A. 错误
B. 正确
6. 为防止地面径流或河水冲刷，公路填方边坡、沿河路堤浸水部位坡面、土质路堑边坡下部的局部，以及桥涵附近坡面，可采用砌石防护，砌石防护可分为干砌和浆砌两种。( ) （满分：5）
A. 错误
B. 正确
7. 对于渗透性较高的砂性土以及渗透性很低的粘性土，水分都不容易积聚，因此不易发生冻胀和翻浆()。 （满分：5）
A. 错误
B. 正确
8. 土质路基包括路堤与路堑，基本操作是挖、运、填，工序比较简单，但条件比较复杂，因而施工方法多样化，简单的工序中常常遇到极为复杂的技术和管理方面的难题。( ) （满分：5）
A. 错误
B. 正确
9. 挡土墙计算状态及荷载系数的确定中，考虑承载能力极限状态分项荷载系数，正常使用极限状态被动土压力用0.5外，其它全部荷载系数规定采用1.0。( ) （满分：5）
A. 错误
B. 正确
10. 设置在隧道口或明洞口的挡土墙，可缩短隧道或明洞长度，降低工程造价。( ) （满分：5）
A. 错误
B. 正确
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东北大学12春学期《路基路面工程》在线作业2
一、单选题：
1. 对沥青路面材料的要求中，粗细集料通常以()2.36mm作为分界，沥青面层的细集料可采用天然砂、机制砂及石屑。 （满分：5）
A. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2.00mm</span></strong>
B. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2.30mm</span></strong>
C. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2.36mm</span></strong>
D. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2.60mm</span></strong>
2. 沥青混合料的填料宜采用石灰岩或岩浆岩中的强基性岩石等憎水性石料经磨细得到的矿粉，原石料中的泥土杂质应除净。矿粉要求干燥、洁净，当采用水泥、石灰、粉煤灰作填料时，其用量不宜超过矿料总量的( )。 （满分：5）
A. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">1.0%</span></strong>
B. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">1.5%</span></strong>
C. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2.0%</span></strong>
D. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2.5%</span></strong>
二、多选题：
1. 沥青路面随着使用时间的延续，其使用性能和承载能力不断降低，超过设计使用年限后便不能满足正常行车交通要求，而需补强或改建。路面补强设计工作包括现有( )。 （满分：5）
A. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">路面结构状况调查</span></strong>
B. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">路面弯沉评定</span></strong>
C. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">路面弯拉评定</span></strong>
D. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">路面补强厚度计算</span></strong>
2. 混凝土路面在持续寒冷和昼夜平均气温低于( )，或混凝土温度在5℃以下时，应停止施工。 （满分：5）
A. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">-5</span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 楷体GB2312; mso-ascii-font-family: 楷体GB2312">℃</span></strong>
B. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">-3</span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 楷体GB2312; mso-ascii-font-family: 楷体GB2312">℃</span></strong>
C. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">5</span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 楷体GB2312; mso-ascii-font-family: 楷体GB2312">℃</span></strong>
D. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">25</span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 楷体GB2312; mso-ascii-font-family: 楷体GB2312">℃</span></strong>
3. 沥青面层不能直接铺筑在铺砌片石基层上，而应在其间加设( )过渡层，否则铺砌片石不平稳或片石可能的松动都会反映到沥青面层上，造成面层不平整甚至沉陷开裂。 （满分：5）
A. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">沥青</span></strong>
B. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">碎石</span></strong>
C. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">土工布</span></strong>
D. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">玻纤格栅</span></strong>
4. 从水泥混凝土路面板上割取长和宽各为dx∑Z＝0，∑My＝0，∑Mx和dy高为h的单元，根据单元的平衡条件(＝0)可导出当板表面作用竖向荷载p，地基对板底面作用竖向反力q时，板中心挠曲面的微分方程为( )：式中—拉普拉斯算子；D—板的弯曲刚度；W—板的挠度，即地基表面的沉陷。 （满分：5）
A. a
B. b
C. c
D. d
5. 水泥混凝土路面的设计使用年限：为路面达到预定损坏标准时所能使用的年限。一般使用年限为( )年。若确定很长的使用年限，则远景交通量很难估计准确，而且会使初期建设投资过高。因此，从建设长远利益出发，为了节省更多的投资应采用合理的设计使用年限。在特殊情况下，水泥混凝土路面可根据使用要求确定设计使用年限。但超过此年限路面并非完全破坏而不能使用，只是其使用性能太差和运行费用过高。 （满分：5）
A. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">20-40</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">年</span></strong>
B. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">20-30</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">年</span></strong>
C. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">20-25</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">年</span></strong>
D. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">15-20</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">年</span></strong>
6. 级配砾(碎)石路面强度构成：由摩阻力和粘结力构成，具有一定的( )。 （满分：5）
A. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">水稳性</span></strong>
B. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">力学强度</span></strong>
C. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">容重</span></strong>
D. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">含水量</span></strong>
7. 路面结构的损坏状况，须从几方面进行描述( )。 （满分：5）
A. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">损坏类型</span></strong>
B. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">损坏严重程度</span></strong>
C. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">出现损坏的范围</span></strong>
D. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">出现损坏的密度</span></strong>
8. 根据测定，汽车在正常行驶时Q=(0.2-0.3)P，而紧急制动Q最大时可达( )P。 （满分：5）
A. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #0070c0; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">0.5-0.6</span>
B. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #0070c0; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">0.6-0.7</span>
C. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #0070c0; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">0.7-0.8</span>
D. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #0070c0; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">0.8-0.9</span>
三、判断题：
1. 碎、砾石颗粒材料的模量决定于材料的级配、形状、表面构造、密实度和含水量等。一般密实度愈高，模量值愈大；棱角多，表面粗糙者有较高模量；当细料含量不多时，含水量仅有甚小影响。( ) （满分：5）
A. 错误
B. 正确
2. 块料路面的强度构成：主要借基础的承载力和石块与石块之间的摩擦力。( ) （满分：5）
A. 错误
B. 正确
3. 利用由动态弯沉测定得到的弯沉曲线，可以分别计算确定各结构层的弹性模量值。而后，配合由钻孔得到的结构层厚度数据，便可利用有关路面结构设计图表或公式计算确定路面结构的承载能力，力学分析法是其中之一。( ) （满分：5）
A. 错误
B. 正确
4. 威斯特卡德(H.M.S.Westergaard)采用这一地基假说，分析了如图所示三种车轮荷载位置下板的挠度和弯矩，即：轮载作用于无限大板中央，分布于半径为R的圆面积内；轮载作用于受一直线边限制的半无限大板的边缘，分布于半圆内；轮载作用于受两条相互垂直的直线边限制的大板的角隅处，压力分布的圆面积的圆心距角隅点为 。在解微分方程时，附加q＝KW并引入边界条件得出挠度W，最后得到三种荷载情形的最大应力计算公式。( ) （满分：5）
A. 错误
B. 正确
5. 在沥青混凝土路面设计和水泥混凝土路面设计中，交通分析是必须考虑的荷载影响因素。() （满分：5）
A. 错误
B. 正确
6. 碎、砾石路面种类：水结碎石路面；泥结碎石路面；泥灰结碎石路面；干压碎石路面；密级配的碎(砾)石路面，这类路面通常只能适应中低等交通量的公路。( ) （满分：5）
A. 错误
B. 正确
7. 无机结合料稳定路面具有稳定性好、抗冻性能强、结构本身自成板体等特点，但其耐磨性差，因此广泛用于修筑路面结构的基层和底基层。( ) （满分：5）
A. 错误
B. 正确
8. 间接拉伸试验，即劈裂试验，是将混合料制面圆柱形试件，直径为D，高度为h，试验时通过压条，沿直径方向按一定速率施加荷载，直至试件开裂破坏。() （满分：5）
A. 错误
B. 正确
9. 根据对材料的要求及组成分：普通混凝土(又称素混凝土包括碾压混凝土路面)路面；钢筋混凝土路面；连续配筋混凝土路面；预应力混凝土路面；装配式混凝土路面；钢纤维混凝土和混凝土小块铺筑的路面。( ) （满分：5）
A. 错误
B. 正确
10. 影响沥青混合料动稳定度的因素较多，一般密级配的动稳定度大于开级配，沥青用量过多，动稳定度下降，试验温度低则动稳定度高，试验荷载大则动稳定度低。采用改性沥青则可明显地提高动稳定度。( ) （满分：5）
A. 错误
B. 正确
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东北大学12春学期《路基路面工程》在线作业3
一、单选题：
1. 行车道宽度主要取决于车道数和每条行车道的宽度，一般每个车道宽度为( )。 （满分：5）
A. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">3.50m</span>
B. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">3.75m</span>
C. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">3.50-3.75m</span>
D. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">3.00-3.50m</span>
2. 从路基的工作状态分析，路基顶面约( )范围内的土层，较强烈地感受到行车荷载的反复作用以及水温的反复干湿和冻融作用。 （满分：5）
A. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">30cm</span>
B. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">80cm</span>
C. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">150cm</span>
D. <span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">300cm</span>
二、多选题：
1. 表征土基强度与刚度指标有() （满分：5）
A. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">回弹模量</span>
B. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">孔隙比</span>
C. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">压缩系数</span>
D. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">加州承载比</span>
2. 挡土墙后采用哪种填料时，需在墙背设置砂卵石反滤层。( ) （满分：5）
A. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">粘性土</span>
B. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">粉性土</span>
C. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">砂卵石</span>
D. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">碎砖烂瓦</span>
3. 表征土基强度与刚度指标有() （满分：5）
A. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">回弹模量</span>
B. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">孔隙比</span>
C. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">压缩系数</span>
D. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">加州承载比</span>
4. 浸水路堤的稳定性，应按路堤最不利的情况进行边坡稳定性分析，其破坏一般发生在最高洪水位( )的时候。 （满分：5）
A. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">骤然升高</span></strong>
B. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">稳定</span></strong>
C. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">骤然降落</span></strong>
D. <strong><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">不稳定</span></strong>
5. 现行水泥路面设计规范在确定板厚时，考虑了哪些荷载产生的疲劳损坏() （满分：5）
A. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">荷载应力</span>
B. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">温度应力</span>
C. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">湿度应力</span>
D. <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">表面张力</span>
6. 按《公路自然区划标准》全国范围共分为( )个一级区。 （满分：5）
A. 6
B. 7
C. 8
D. 5
7. 利用( )等无机结合料修筑半刚性路面，半刚性路面结构目前已广泛用于高等级公路与城市道路，成为一种主要的结构型式。 （满分：5）
A. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">改性土</span>
B. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">石灰</span>
C. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">水泥</span>
D. <span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">工业废渣</span>
8. 边坡稳定性分析边坡轮廓的取值，对于折线形或阶梯形路堤边坡，一般可取平均值，例如图中取( )。 （满分：5）
A. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CAB</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线</span></strong>
B. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">AB</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线</span></strong>
C. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CDEB</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线</span></strong>
D. <strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">ADEB</span><span style="FONT-SIZE: 12pt; COLOR: #000099; FONT-FAMILY: 楷体GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线</span></strong>
三、判断题：
1. 路基湿度除了水的来源之外，另一个重要因素是受当地大气湿度的影响。由于湿度与温度变化对路基产生的共同影响称为路基的水温状况()。 （满分：5）
A. 错误
B. 正确
2. 挡土墙与其它石砌防护体的根本区别就在于其砌筑方式和厚度不同。() （满分：5）
A. 错误
B. 正确
3. 在进行挡土墙设计时，若墙背平缓，需验算是否出现第二破裂面。( ) （满分：5）
A. 错误
B. 正确
4. 沥青路面表层的温度总是高于大气温度。( ) （满分：5）
A. 错误
B. 正确
5. 如果由于浸水路堤外河水猛涨，使路堤左右两侧水位发生差异。若路堤用透水性较强的土填筑，虽可发生横穿路堤的渗透，但其作用力一般较小，不计算动水压力。( ) （满分：5）
A. 错误
B. 正确
6. 冻胀与翻浆是多年冻土地区公路特有的路基病害。( ) （满分：5）
A. 错误
B. 正确
7. 水结碎石路面强度构成是由碎石之间的嵌挤作用以及碾压时所产生的石粉与水形成的石粉浆的粘结作用而形成的。 ( ) （满分：5）
A. 错误
B. 正确
8. 水泥稳定类基层接缝处理，应十分注意每天最后一段末端缝(即工作缝)的处理，工作缝应成直线，且上下垂直。经过摊铺整型的水泥稳定碎石当天应全部压实，不留尾巴。第二天铺筑时为了使已压成型的稳定边缘不致遭受破坏，应用方木(厚度与其压实后厚度相同)保护，碾压前将方木提出，用混合料回填并整平。( ) （满分：5）
A. 错误
B. 正确
9. 路基除承受自重作用外，同时还要承受行车荷载的作用。( ) （满分：5）
A. 错误
B. 正确
10. 沥青路面越厚，油石比越大，其高温稳定性越好。( ) （满分：5）
A. 错误
B. 正确
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