东大网院22年9月土力学与地基基础(二)X_2022春_03百分
土力学与地基基础(二)X_2022春_031.[单选题]对土层情况、各桩的直径、入土深度和桩顶荷载都相同的摩擦桩,群桩(桩距为桩径的3倍)的沉降将比单桩( )。
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A.大
B.小
C.大或小
D.两者相同
正确答案:——A——
2.[单选题]建立土的极限平衡条件依据的是
A.极限应力圆与抗剪强度包线相切的几何关系
B.极限应力圆与抗剪强度包线相割的几何关系
C.整个莫尔圆位于抗剪强度包线的下方的几何关系
D.静力平衡条件
正确答案:——A——
3.[单选题]<img title="1488420329214004030.jpg" alt="QQ截图20170302100519.jpg" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/upload/image/20170302/1488420329214004030.jpg"/>
A.50%
B.6
C.155
D.10.935
正确答案:——C——
4.[单选题]群桩基础中的单桩称为( )。
A.单桩基础
B.桩基
C.复合桩基
D.基桩
正确答案:————
5.[单选题]下面有关Pcr与P1/4的说法中,正确的是
A.Pcr与基础宽度b无关,P1/4与基础宽度b有关
B.Pcr与基础宽度b有关,P1/4与基础宽度b无关
C.Pcr与P1/4都与基础宽度b有关
D.Pcr与P1/4都与基础宽度b无关
正确答案:————
6.[单选题]桩基承台发生冲切的原因是( )。
A.底板配筋不足
B.承台的有效高度不足
C.钢筋保护层不足
D.承台平面尺寸过大
正确答案:————
7.[单选题]不同状态下同一种土的重度由大到下排列顺序是
A.γsat≥γ≥γd>γ’
B.γsat≥γ’≥γ>γd
C.γd≥γ≥γsat>γ’
D.γd≥γ’≥γ>γsat
正确答案:————
8.[单选题]下列哪一项不属于桩基承载能力极限状态计算的内容
A.承台的抗冲切验算
B.承台的抗剪切验算
C.桩身结构计算
D.裂缝宽度验算
正确答案:————
9.[单选题]某墙下条形基础底面宽度b=1.2m,基础埋深d=1.2m,墙体传至地表的竖向荷载标准值Fk=180kN/m,弯距标准值Mk=36kN·m/m,则最大、最小基底压力值分别为( )。
A.260kPa,34kPa
B.324kPa,24kPa
C.365kPa,56kPa
D.310kPa,26kPa
正确答案:————
10.[单选题]由于土固体颗粒在工程常见应力范围内认为是不可压缩的,土体的体积变化与孔隙体积变化的大小关系是
A.前者大于后者
B.前者小于后者
C.二者相等
D.无法确定
正确答案:————
11.[多选题]下列属于地基土冲剪破坏的特征是
A.破坏时地基中没有明显的滑动面
B.基础四周地面无隆起
C.基础无明显倾斜,但发生较大沉降
D.p一s曲线有明显转折点
正确答案:————
12.[多选题]以下是针对瑞典条分法的描述,正确的是
A.对每一土条力的平衡条件是不满足的
B.对每一土条本身的力矩平衡不满足
C.能满足整个滑动土体的整体力矩平衡条件
D.对每一土条力的平衡条件和力矩平衡条件都能满足
正确答案:————
13.[多选题]以下属于桩基础设计内容的是()。
A.确定桩的数量
B.承台设计
C.基桩受力验算
D.群桩沉降验算
正确答案:————
14.[多选题]库仑土压力理论的基本假设包括
A.墙后填土是无粘性土
B.墙后填土是粘性土
C.滑动破坏面为一平面
D.滑动土楔体视为刚体
正确答案:————
15.[多选题]<p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; 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: EL; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">对基底压力公式</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; 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: 12pt; mso-text-raise: -12.0pt"><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="38" width="98" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65688/809ce658-d4c2-4fee-b7e9-80134cb26736/201032112429119.jpg" /><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: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; 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: EL; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">参数的解释,正确的是</span></p><p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; 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: EL; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"></span></p><p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; 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: EL; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"></span></p>
A.γG为基础及回填土的平均重度
B.d为基础埋深
C.γG为基础的重度
D.A为基础底面积
正确答案:————
16.[多选题]下列描述错误的是
A.e一p曲线越平缓,土的压缩性越高
B.α1-2=0.7MPa-1的土属于高压缩性土
C.压缩系数值随压力的变化而变
D.压缩指数值随压力的变化而变 南开大学答案
正确答案:————
17.[多选题]采用静载荷试验确定单桩的承裁力时,出现下列哪些情况,即可终止加荷?
A.某级荷载作用下,桩的沉降量为前一级荷载作用下沉降量的5倍
B.某级荷载作用下,桩的沉降量为前一级荷载作用下沉陷量的3倍
C.某级荷载作用下,桩的沉降虽大于前一级荷载作用下沉降量的2倍,且经24小时尚未达到相对稳定
D.已达到锚桩最大抗拨力或压重平台的最大重量时
正确答案:————
18.[多选题]采用相邻柱基的沉降差控制地基变形的是
A.框架结构
B.单层排架结构
C.砌体结构
D.高耸结构
正确答案:————
19.[多选题]<span style="FONT-SIZE: 10.5pt; 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">关于基底压力计算公式</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; 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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体"><span style=" TOP: 12pt; mso-text-raise: -12.0pt"><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="47" width="141" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65688/476741ac-75d4-4e73-a676-6cbb2bd6e12b/201032115374439.jpg" /><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: 10.5pt; 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; mso-bidi-font-size: 12.0pt">,正确的说法是</span>
A.<span lang="EN-US" style="FONT-SIZE: 10.5pt; 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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体"><span style="POSITION: relative; 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="27" width="70" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65688/476741ac-75d4-4e73-a676-6cbb2bd6e12b/2010321153745347.jpg" /><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: 10.5pt; 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; mso-bidi-font-size: 12.0pt">为基础及台阶上回填土的重量</span>
B.d为从基础底面至室外地面的距离
C.d为从基础底面至天然地面的距离
D.<span lang="EN-US" style="FONT-SIZE: 10.5pt; 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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体"><span style="POSITION: relative; 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="25" width="72" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65688/476741ac-75d4-4e73-a676-6cbb2bd6e12b/2010321153847301.jpg" /><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: 10.5pt; 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; mso-bidi-font-size: 12.0pt">中,</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; 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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体"><span style="POSITION: relative; TOP: 6pt; mso-text-raise: -6.0pt"><img height="23" width="22" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65688/476741ac-75d4-4e73-a676-6cbb2bd6e12b/2010321153905.jpg" /></span></span><span style="FONT-SIZE: 10.5pt; 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; mso-bidi-font-size: 12.0pt">一般取</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; 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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">20KN/m</span><sup><span lang="EN-US" style="FONT-SIZE: 10.5pt; 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">3</span></sup>
正确答案:————
20.[多选题]下列土类中,属于软弱土的是()。
A.粉土
B.淤泥质土
C.红粘土
D.淤泥
正确答案:————
21.[判断题]灵敏度是粘性土的压缩性指标之一。
A.正确
B.错误
正确答案:————
22.[判断题]<span style="FONT-SIZE: 10.5pt; 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">当</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; 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">d<<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".5" unitname="m">0.5m</st1:chmetcnv></span><span style="FONT-SIZE: 10.5pt; 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">且</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; 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">b<<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="m">3m</st1:chmetcnv></span><span style="FONT-SIZE: 10.5pt; 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,可取</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; 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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体"><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="32" width="60" alt="" src="http://exam.neu.edu.cn/resourcefile/bdeditor/dbdx/qianyi/65688/9e364392-b68b-4d8a-baf1-d2bdd0735e1c/2010321154333684.jpg" /><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: 10.5pt; 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; mso-bidi-font-size: 12.0pt">。</span>
A.正确
B.错误
正确答案:————
23.[判断题]软土的孔隙比很大,故其透水性很好。
A.正确
B.错误
正确答案:————
24.[判断题]桩距太小会给施工造成困难,但只要施工条件许可,桩距可不受规范最小桩距的限制。
A.正确
B.错误
正确答案:————
25.[判断题]静止土压力强度p等于土在自重作用下无侧向变形时的水平向应力σx。
A.正确
B.错误
正确答案:————
26.[判断题]土的静止侧压力系数Ko为土的侧向与竖向总自重应力之比。
A.正确
B.错误
正确答案:————
27.[判断题]用条分法分析粘性土土坡稳定性时,需假定几个可能的滑动面,这些滑动面均是最危险的滑动面。
A.正确
B.错误
正确答案:————
28.[判断题]相对密实度主要用于比较不同砂土的密实度高低。
A.正确
B.错误
正确答案:————
29.[判断题]加大挡土墙的自重,既可以提高抗倾覆能力,又可以提高抗滑移能力。
A.正确
B.错误
正确答案:————
30.[判断题]土是由颗粒(固相)、水(液相)和气(气相)所组成的三相分散系,各组成部分的质量或体积之间的比例不同时,土的一系列物理力学性质会发生相应的变化。
A.正确
B.错误
正确答案:————
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