20春《土力学与地基基础（一）》东大在线平时作业123-东北大学-无忧答案网

端木老师 发表于 2020-3-2 08:57:22

20春《土力学与地基基础（一）》东大在线平时作业123

20春学期《土力学与地基基础（一）》在线平时作业1
1.[单选题] 对同一种饱和粘性土分别进行不固结不排水、固结不排水和固结排水试验，下列描述正确的是
A.如果将三种不同排水条件下的剪切试验结果以总应力表示，将得出完全不同的破坏包线，若以有效应力表示，也得到完全不同的有效应力破坏包线
B.如果将三种不同排水条件下的剪切试验结果以总应力表示，将得出近乎同一条破坏包线，若以有效应力表示，则得到完全不同的有效应力破坏包线
C.如果将三种不同排水条件下的剪切试验结果以总应力表示，将得出近乎同一条破坏包线，若以有效应力表示，也得到近乎同一条有效应力破坏包线
D.如果将三种不同排水条件下的剪切试验结果以总应力表示，将得出完全不同的破坏包线，若以有效应力表示，则得到近乎同一条有效应力破坏包线
正确答案:——D——
2.[单选题] 根据不固结不排水试验得到饱和粘性土的抗剪强度指标cu＝10kPa，φu＝0，据此可得到的正确描述是
A.该粘性土土粒间的粘聚力为l0kPa，摩擦强度等于零
B.该粘性土土粒间的粘聚力为零，但摩擦强度等于10kPa
C.抗剪强度指标cu＝10kPa，φu＝0和粘聚强度、摩擦强度并不存在量值对应关系
D.抗剪强度指标cu＝10kPa即粘聚强度，但φu＝0和摩擦强度并不存在量值对应关系
正确答案:——C——
3.[单选题] 下列哪一种情况可减少基底的附加压力
A.设置地下室或半地下室
B.减小建筑物长高比
C.设置圈梁
D.调整建筑物某些部位的标高
正确答案:——A——
4.[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:————
5.[单选题] 某筏形基础底面宽度为b＝15m，长度l＝38m埋深d＝2.5m，地下水位在地表下5.0m，场地土为均质粉土，粘粒含量ρc＝14％，载荷试验得到的地基承载力特征值fak＝160kPa，地下水位以上土的重度γ＝18.5kN／m3，地下水位以下土的重度γsat＝19.0kN／m3，按《建筑地基基础设计规范》（GB50007—2002）的地基承裁力修正特征值公式，计算的地基承载力修正特征值最接近下列哪一个数值（）。
A.175kPa
B.210kPa
C.282kPa
D.232kPa
正确答案:————
6.[单选题] 当载荷试验得来的荷载沉降p一s曲线无明显转折点时，压板面积为0.25一0.50m2时的情况下，规定取s＝（）所对应的压力作为地基承载力特征值，但其值不应大于最大加载量的一半。
A.0.02b
B.（0.01—0.02）b
C.（0.01—0.015）b
D.0.01b
正确答案:————
7.[单选题] 朗肯土压力理论与库仑土压力理论计算所得土压力相同的情况是
A.墙后填土为无粘性土
B.墙背直立、光滑，填土面水平
C.挡土墙的刚度无穷大
D.墙后无地下水
正确答案:————
8.[单选题] 夯实法和强夯法加固地基的机理是（）。
A.两者都以挤密为主加固地基
B.两者都是对地基土振密、挤密
C.两者都是利用夯击能，使土体强制排水固结
D.两者都形成校体，组成复合地基
正确答案:————
9.[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:————
10.[单选题] 不均匀系数的表达式为
A.<img height="46" width="63" alt="" src="http://file.open.com.cn/ItemDB/65688/62985d9a-16d3-45ad-a4f4-5fdfae546b19/2010321125510795.jpg" />
B.<img height="46" width="63" alt="" src="http://file.open.com.cn/ItemDB/65688/62985d9a-16d3-45ad-a4f4-5fdfae546b19/2010321125521811.jpg" />
C.<img height="49" width="80" alt="" src="http://file.open.com.cn/ItemDB/65688/62985d9a-16d3-45ad-a4f4-5fdfae546b19/201032112553146.jpg" />
D.<img height="52" width="79" alt="" src="http://file.open.com.cn/ItemDB/65688/62985d9a-16d3-45ad-a4f4-5fdfae546b19/2010321125539921.jpg" />
正确答案:————
11.[多选题] 为减轻建筑物的自重，可采取的措施有
A.采用轻质材料以减少墙重
B.选用轻型结构
C.减少基础和回填的重量
D.设置架空地板代替室内回填土
正确答案:————
12.[多选题] 地基变形验算对具体建筑物所需验算的地基变形特征取决于建筑物的结构类型、整体刚度和使用要求，地基变形特征有
A.沉降量
B.沉降差
C.倾斜
D.局部倾斜
正确答案:————
13.[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 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"><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://file.open.com.cn/ItemDB/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 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
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"><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://file.open.com.cn/ItemDB/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 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
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"><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://file.open.com.cn/ItemDB/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 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 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"><img height="23" width="22" alt="" src="http://file.open.com.cn/ItemDB/65688/476741ac-75d4-4e73-a676-6cbb2bd6e12b/2010321153905.jpg" /><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 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 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
正确答案:————
14.[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:————
15.[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:————
16.[判断题] 土的强度问题实质上就是土的抗剪强度问题。
A.错误
B.正确
正确答案:————
17.[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 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 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 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 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 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"><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://file.open.com.cn/ItemDB/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 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">。
A.错误
B.正确
正确答案:————
18.[判断题] 对饱和黏性土地基上对变形控制要求不严的工程不可采用砂石桩置换处理。
A.错误
B.正确
正确答案:————
19.[判断题] 灵敏度是粘性土的压缩性指标之一。
A.错误
B.正确
正确答案:————
20.[判断题] 只要地基在防止整体破坏方面有足够的安全储备，则无需验算地基变形。
A.错误
B.正确
正确答案:————

20春学期《土力学与地基基础（一）》在线平时作业2
1.[单选题] <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: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">已知某种土的密度<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"><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="30" width="90" alt="" src="http://file.open.com.cn/ItemDB/65688/f4391011-f252-403a-83be-dcd6b10c5d01/2010321131027288.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 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: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">，土粒相对密度<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"><img height="27" width="66" alt="" src="http://file.open.com.cn/ItemDB/65688/f4391011-f252-403a-83be-dcd6b10c5d01/2010321131037303.jpg" /><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: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">，土的含水量<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"><img height="27" width="72" alt="" src="http://file.open.com.cn/ItemDB/65688/f4391011-f252-403a-83be-dcd6b10c5d01/201032113104785.jpg" /><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: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">，则每立方米土体中气相体积为
A.0.16m3
B.0.25m3
C.0.44m3
D.0.11m3
正确答案:——A——
2.[单选题] 淤泥的孔隙比（）。
A.等于1.0
B.大于1.0
C.等于1.5
D.大于1.5
正确答案:——D——
3.[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:——A——
4.[单选题] 在土的三相比例指标中，通过土工试验直接测定的是
A.<img height="23" width="55" alt="" src="http://file.open.com.cn/ItemDB/65688/8b89575d-f9f1-4f2c-ae77-476fa1456465/201032113832597.jpg" />
B.<img height="29" width="60" alt="" src="http://file.open.com.cn/ItemDB/65688/8b89575d-f9f1-4f2c-ae77-476fa1456465/201032113840582.jpg" />
C.<img height="25" width="58" alt="" src="http://file.open.com.cn/ItemDB/65688/8b89575d-f9f1-4f2c-ae77-476fa1456465/201032113850238.jpg" />
D.<img height="24" width="45" alt="" src="http://file.open.com.cn/ItemDB/65688/8b89575d-f9f1-4f2c-ae77-476fa1456465/20103211390973.jpg" />
正确答案:————
5.[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:————
6.[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:————
7.[单选题] 颗粒级配曲线很陡时说明
A.颗粒分布范围较小
B.颗粒分布范围较大
C.颗粒形状为扁平状
D.颗粒形状为针状
正确答案:————
8.[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:————
9.[单选题] 下列（）项不属于原位测试
A.地基静载荷试验
B.固结试验
C.旁压试验
D.触探试验
正确答案:————
10.[单选题] 设置于深厚的软弱土层中，无较硬的土层作为桩端持力层，或桩端持力层虽然较坚硬但桩的长径比很大的桩，可视为（）。
A.端承桩
B.摩擦桩
C.摩擦端承桩
D.端承摩擦桩
正确答案:————
11.[多选题] 下列因素中，可导致土体出现超固结性状的因素是
A.地下水长期下降后回升
B.地基预压堆载的卸除
C.靠近地面的土层干缩
D.土粒间的化学胶结作用增强
正确答案:————
12.[多选题] 为减轻建筑物的自重，可采取的措施有
A.采用轻质材料以减少墙重
B.选用轻型结构
C.减少基础和回填的重量
D.设置架空地板代替室内回填土
正确答案:————
13.[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:————
14.[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:————
15.[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 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"><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://file.open.com.cn/ItemDB/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 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
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"><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://file.open.com.cn/ItemDB/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 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
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"><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://file.open.com.cn/ItemDB/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 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 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"><img height="23" width="22" alt="" src="http://file.open.com.cn/ItemDB/65688/476741ac-75d4-4e73-a676-6cbb2bd6e12b/2010321153905.jpg" /><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 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 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
正确答案:————
16.[判断题] 塑性区是指地基中已发生剪切破坏的区域。随着荷载的增加，塑性区会逐渐发展扩大。
A.错误
B.正确
正确答案:————
17.[判断题] 当挡土墙向前移动或转动时，作用在墙背的土压力就是主动土压力。
A.错误
B.正确
正确答案:————
18.[判断题] 饱和粘土层在单面排水条件下的固结时间为双面排水时的2倍。
A.错误
B.正确
正确答案:————
19.[判断题] 地基的临塑荷载可以作为极限承载力使用。
A.错误
B.正确
正确答案:————
20.[判断题] 竖向附加压力σz的分布范围相当大，它不仅分布在荷载面积之内，而且还分布到荷载面积以外，这就是所谓的附加应力集中现象。
A.错误
B.正确
正确答案:————

20春学期《土力学与地基基础（一）》在线平时作业3
1.[单选题] <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: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">已知某种土的密度<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"><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="30" width="90" alt="" src="http://file.open.com.cn/ItemDB/65688/f4391011-f252-403a-83be-dcd6b10c5d01/2010321131027288.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 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: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">，土粒相对密度<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"><img height="27" width="66" alt="" src="http://file.open.com.cn/ItemDB/65688/f4391011-f252-403a-83be-dcd6b10c5d01/2010321131037303.jpg" /><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: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">，土的含水量<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"><img height="27" width="72" alt="" src="http://file.open.com.cn/ItemDB/65688/f4391011-f252-403a-83be-dcd6b10c5d01/201032113104785.jpg" /><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: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">，则每立方米土体中气相体积为
A.0.16m3
B.0.25m3
C.0.44m3
D.0.11m3
正确答案:——A——
2.[单选题] 桩的间距（中心距）一般采用（）倍桩径。
A.3—4倍
B.1倍
C.2倍
D.6倍
正确答案:——A——
3.[单选题] 若墙后为均质填土，无外荷裁，填土抗剪强度指标为c，φ，填土的重度为γ，则根据朗肯土压力理论，墙后土体中自填土表面向下深度z处的主动土压力强度是
A.<img height="43" width="209" alt="" src="http://file.open.com.cn/ItemDB/65688/2305443d-a419-46aa-939c-de800543a2fb/2010321141950613.jpg" />
B.<img height="39" width="204" alt="" src="http://file.open.com.cn/ItemDB/65688/2305443d-a419-46aa-939c-de800543a2fb/201032114200176.jpg" />
C.<img height="44" width="206" alt="" src="http://file.open.com.cn/ItemDB/65688/2305443d-a419-46aa-939c-de800543a2fb/201032114209113.jpg" />
D.<img height="45" width="204" alt="" src="http://file.open.com.cn/ItemDB/65688/2305443d-a419-46aa-939c-de800543a2fb/2010321142018426.jpg" />
正确答案:——D——
4.[单选题] 灌注桩按成桩方法分类应为（）。
A.非挤土桩
B.挤土桩
C.部分挤土桩
D.摩擦桩
正确答案:————
5.[单选题] 桩侧负摩阻力的产生，使桩身轴力（）。
A.增大
B.减小
C.不变
D.无法确定
正确答案:————
6.[单选题] 饱和粘性土的不固结不排水抗剪强度主要取决于
A.围压大小
B.土的原有强度
C.孔隙压力系数大小
D.偏应力大小
正确答案:————
7.[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:————
8.[单选题] 混凝土预制桩的优点在于（）。
A.桩身质量较易保证
B.直径大
C.对周围环境影响小
D.适用于所有土层
正确答案:————
9.[单选题] <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">在单向偏心荷载作用下，矩形基础最大和最小基底压力计算公式为<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"><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="50" width="252" alt="" src="http://file.open.com.cn/ItemDB/65688/5c9fab7d-643c-4a94-bf59-304bfcb1b9f2/20103211528266.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 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 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">式中的<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">L<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">是指
<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">
<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">

A.偏心方向矩形基础边长奥鹏作业答案Q 761296021
B.无偏心方向矩形基础边长
C.基础长边边长
D.基础短边边长
正确答案:————
10.[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:————
11.[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">一维竖向固结时间因数<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"><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="39" width="59" alt="" src="http://file.open.com.cn/ItemDB/65688/57042d64-5d53-410c-82d9-eb4e5d91a675/2010321124815144.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 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">，其中<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">H<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">的确定应遵循
<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">
<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">

A.当土层为双面一维排水时，H取土层厚度
B.当土层为单面一维排水时，H应取土层厚度之半
C.当土层为双面一维排水时，H应取土层厚度之半
D.当土层为单面一维排水时，H取土层厚度
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] 确定垫层厚度时，采用的指标包括（）。
A.基础宽度
B.垫层底面处的附加压力值
C.垫层底面处的自重压力值
D.垫层底面处经深度修正后的地基承载力特征值
正确答案:————
14.[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 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"><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://file.open.com.cn/ItemDB/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 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
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"><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://file.open.com.cn/ItemDB/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 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
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"><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://file.open.com.cn/ItemDB/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 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 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"><img height="23" width="22" alt="" src="http://file.open.com.cn/ItemDB/65688/476741ac-75d4-4e73-a676-6cbb2bd6e12b/2010321153905.jpg" /><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 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 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
正确答案:————
15.[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:————
16.[判断题] 库伦土压力理论可以计算墙后填土为成层土的情况。
A.错误
B.正确
正确答案:————
17.[判断题] 基底附加压力是指基底压力与基底处土自重应力的差值。
A.错误
B.正确
正确答案:————
18.[判断题] 地下水位上升有可能对一般的桩基础产生负摩阻力。
A.错误
B.正确
正确答案:————
19.[判断题] 只要地基在防止整体破坏方面有足够的安全储备，则无需验算地基变形。
A.错误
B.正确
正确答案:————
20.[判断题] 按哪一种土压力（主动、静止或被动土压力）计算完全取决于挡土墙的位移方向（向前、不动或向后位移）。
A.错误
B.正确
正确答案:————

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Q 76129 6021

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20春《土力学与地基基础（一）》东大在线平时作业123