20春学期《路基路面工程》在线平时作业3

adminhan

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-font-kerning: 0pt">碎石、砾石和砂类地基，不考虑冻胀影响，但基础埋深不宜小于（</span><span style="FONT-FAMILY: 'Calibri','sans-serif'; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-font-kerning: 0pt; mso-fareast-font-family: 宋体; mso-ascii-font-family: 宋体" lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-font-kerning: 0pt">）</span>
A:0.25m
B:0.5m
C:1.0m
D:1.25m

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-font-kerning: 0pt">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。水结碎石路面中，由于石灰岩和白云岩石粉的粘结力较强，是水结碎石的常选石料，水结碎石路面厚度一般为（</span><span style="FONT-FAMILY: 'Calibri','sans-serif'; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-font-kerning: 0pt; mso-fareast-font-family: 宋体; mso-ascii-font-family: 宋体" lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-font-kerning: 0pt">）</span>
A:10cm
B:10~13cm
C:10cm~16cm
D:16cm

<strong>按照挡土墙的结构型式，挡土墙主要可分为：（ <span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>）。</span></strong>
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">重力式挡土墙</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">锚定式挡土墙</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">薄壁式挡土墙</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">加筋土挡土墙</span></strong>

<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">按排水通道构成，可将渗沟分为：（<span lang="EN-US">&nbsp; &nbsp; </span>）</span>
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">填石渗沟</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">管式渗沟</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">洞式渗沟</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">有压力渗沟</span>

<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">下列路面破损中，哪些属于功能性破坏（<span lang="EN-US">&nbsp; &nbsp;&nbsp;&nbsp;</span>）。</span>
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">断裂</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">弯沉过大</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">不平整</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">表面光滑</span>

<strong>平整度测定方法和仪器，可划分为两大类型（<span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>）平整度测定。</span></strong>
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">断面类</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">反应类</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">检测类</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">监测类</span></strong>

<div><strong>施加于挡土墙的荷载按性质划分为（<span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>）。</span></strong></div>
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">恒载</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">可变荷载</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">温度荷载</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">施工荷载</span></strong>

<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">泥结碎石路面的强度来源是<u><span lang="EN-US">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; </span></u>。</span>
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">土的粘结力</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">一系列物理化学反应而产生的强度</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">碎石间的嵌紧作用</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">以上都不对</span>

<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">路基几何尺寸的构成要素有（<span lang="EN-US">&nbsp; &nbsp;&nbsp;&nbsp;</span>）。</span>
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">压实度</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">宽度</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">平整度</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">边坡坡度</span>

<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">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<u><span lang="EN-US">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; </span></u>。</span>
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>

<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">土是三相体系，路基压实的过程是通过排出土孔隙中的空气和水，迫使土颗粒排列更为紧密的过程。（<span lang="EN-US">&nbsp; &nbsp; </span>）</span>
A:错误
B:正确

<strong>无机结合料稳定材料抗拉强度试验方法：直接抗拉试验、间接抗拉试验和弯拉试验，常用的疲劳试验有弯拉疲劳试验和劈裂疲劳试验。（<span><span>&nbsp;&nbsp;&nbsp; </span>）</span></strong>
A:错误
B:正确

<div><strong>对于具有塑性的土，影响压实效果的因素有内因和外因两方面，内因主要是指含水量和土的性质，外因是指压实功能、压实机具和压实方法等。（<span><span>&nbsp;&nbsp;&nbsp; </span>）</span></strong></div>
A:错误
B:正确

<strong>地面水包括大气降水（雨和雪）以及海、河、湖、水渠及水库水。地面水对路基产生冲刷和渗透，冲刷可能导致路基整体稳定性受损害，形成水毁现象。渗入路基土体的水分，使土体过湿而降低路基强度。（<span><span>&nbsp;&nbsp;&nbsp; </span>）</span></strong>
A:错误
B:正确

<div><strong>在用力学原理进行边坡稳定性分析时，为简化计算，通常都按平面问题来处理。（<span><span>&nbsp;&nbsp;&nbsp; </span>）</span></strong></div>
A:错误
B:正确

路基承载能力采用一定应力级位下抵抗变形的能力来表征，用于表征土基承载力的参数指标有回弹模量、地基反应模量和加州承载比（<span>CBR）等。（&nbsp;）</span>
A:错误
B:正确

<strong>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。（<span><span>&nbsp;&nbsp;&nbsp; </span>）</span></strong>
A:错误
B:正确

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（<span>&nbsp;）。</span>
A:错误
B:正确

混凝土抗折强度标准试件尺寸如确有必要，允许采用<span>100mm</span>&times;100mm&times;400mm试件，集料粒径不应大于<span>30mm。（&nbsp;）</span>
A:错误
B:正确

<strong>路面设计时使用累计当量轴次的概念，我国路面设计以双轮组单轴载<span>100kN为标准轴载，以BZZ－l20表示。（<span>&nbsp;&nbsp;&nbsp; </span>）</span></strong>
A:错误
B:正确