奥特曼 发表于 2020-12-15 08:43:48

20秋武汉理工大学结构力学(专科)-作业二满分

结构力学(专科)-作业二
1.[单选题] 静定梁任一截面剪力影响线在该截面两侧的影响线必然是( )。
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    A.斜交该点
    B.相互平行
    C.相互垂直
    D.相交于一点
    答:——B——
2.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">不计轴向变形,图2结构的振动自由度为</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="174" height="129" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx03.files/jglx034728.png"></span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p>      </o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图2</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.1
    B.2
    C.3
    D.4
    答:——C——
3.[单选题] 机动法作静定结构内力影响线的依据是( )。
    A.刚体体系虚力原理
    B.刚体体系虚力原理
    C.刚体体系的虚位移原理
    D.变形体虚位移原理
    答:——C——
4.[单选题] <p class="15"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图6结构,用矩阵位移法计算时,结点</span><i><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-style:italic;font-size:12.0000pt;mso-font-kerning:0.0000pt;">C</span></i><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">的综合结点荷载是( )。</span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><img width="299" height="115" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx02.files/jglx023819.png"></span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p>      </o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图6</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="59" height="53" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx02.files/jglx023864.png"></span> <o:p></o:p></p>
    B.<p class="15"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="67" height="53" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx02.files/jglx023907.png"></span> <o:p></o:p></p>
    C.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="54" height="53" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx02.files/jglx023950.png"></span> <o:p></o:p></p>
    D.<p class="15"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="54" height="53" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx02.files/jglx023993.png"></span> <o:p></o:p></p>
    答:————
5.[单选题] 从位移法的计算方法来看,它( )。
    A.只能用于超静定结构
    B.主要用于超静定结构,但也可以用于静定结构
    C.用于超静定结构中的刚架和连续梁
    D.只能用于超静定次数小于3的结构
    答:————
6.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">图3a结构,</span><i><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">EI</span></i><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">=常数,取图3b为力法基本体系,则</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:6.0000pt;mso-text-raise:-6.0000pt;"><img width="133" height="30" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx06.files/jglx062948.png"></span>中的<span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:6.0000pt;mso-text-raise:-6.0000pt;"><img width="24" height="30" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx06.files/jglx062991.png"></span>和<span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:6.0000pt;mso-text-raise:-6.0000pt;"><img width="34" height="30" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx06.files/jglx063033.png"></span>分别等于<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="610" height="149" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx06.files/jglx063044.png"></span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p>      </o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">图3</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
    A.Δ,Δ/4
    B.-Δ,Δ/4
    C.Δ,-Δ/4
    D.-Δ,-Δ/4
    答:————
7.[单选题] “内力不仅与荷载有关,也与杆件刚度有关”的结论适用于各种( )。
    A.刚架结构
    B.静定结构
    C.桁架结构
    D.超静定结构
    答:————
8.[单选题] 在支座移动下不产生支座反力和内力的结构是( )。
    A.桁架结构
    B.刚架结构
    C.静定结构
    D.超静定结构
    答:————
9.[单选题] <p class="15"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图1体系的多余约束的个数为</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="15" align="center" style="text-align:center;"><b><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-weight:bold;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><img width="397" height="98" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx05.files/jglx05431.png"></span></b><b><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-weight:bold;font-size:12.0000pt;mso-font-kerning:0.0000pt;">   <o:p>      </o:p></span></b></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图1</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.0个
    B.1个
    C.2个
    D.3个
    答:————
10.[单选题] 绘制任一量值的影响线时,假定荷载是( )。
    A.一个方向不变的单位荷载
    B.移动荷载
    C.动力荷载
    D.可动荷载
    答:————
11.[单选题] 用图乘法求位移的必要条件之一是( )。
    A.单位荷载下的弯矩图为一直线
    B.结构可分为等截面直杆段
    C.所有杆件EI为常数且相同
    D.结构必须是静定的
    答:————
12.[单选题] 坐标转换矩阵是( )。
    A.正交矩阵
    B.对称矩阵
    C.对角矩阵
    D.反对称矩阵
    答:————
13.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">图3中的四个结构,柱子的刚度、高度相同,横梁刚度为无穷大,质量相同,集中在横梁上。它们的自振频率自左至右分别为</span><i><span style="font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">ω</span></i><sub><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;vertical-align:sub;">1</span></sub><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">,</span><i><span style="font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">ω</span></i><sub><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;vertical-align:sub;">2</span></sub><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">,</span><i><span style="font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">ω</span></i><sub><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;vertical-align:sub;">3</span></sub><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">,</span><i><span style="font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">ω</span></i><sub><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;vertical-align:sub;">4</span></sub><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">,则</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="594" height="100" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx04.files/jglx045109.png"></span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p>      </o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">图3</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
    A.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="145" height="32" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx04.files/jglx045154.png"></span> <o:p></o:p></p>
    B.<p class="15"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="145" height="32" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx04.files/jglx045197.png"></span> <o:p></o:p></p>
    C.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="147" height="32" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx04.files/jglx045240.png"></span> <o:p></o:p></p>
    D.<p class="15"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="145" height="32" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx04.files/jglx045283.png"></span> <o:p></o:p></p>
    答:————
14.[单选题] <p class="15"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图4整体坐标系中,单元的坐标转换矩阵中的角度是</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><img width="124" height="110" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx05.files/jglx054279.png"></span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p>      </o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图4</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.-450
    B.450
    C.1350
    D.2250
    答:————
15.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">图4对称刚架,在反对称荷载作用下,正确的半边结构图号为</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="497" height="178" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx01.files/jglx013292.png"></span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p>      </o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">图4</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
    A.图a
    B.图b
    C.图c
    D.图d
    答:————
16.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">图<font face="Times New Roman">2</font><font face="宋体">结构,对</font><font face="Times New Roman">QC</font><font face="宋体">的影响线描述正确的是</font></span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="409" height="158" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx06.files/jglx062411.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p>      </o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">图<font face="Times New Roman">2</font></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
    A.AC不为零,CD为斜线
    B.AC为零,CD为水平线
    C.AC为零,CD为斜线
    D.AC为零,CD为零
    答:————
17.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">用位移法求图5结构时,若不考虑杆件的轴向变形,且各杆件的</span><i><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">EI</span></i><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">相同,且为有限值,则独立的结点角位移和线位移未知数数目分别为</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="204" height="147" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx02.files/jglx023344.png"></span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p>      </o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图5</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.3,3
    B.4,3
    C.4,2
    D.3,2
    答:————
18.[单选题] 导出单位荷载法的原理( )。
    A.虚位移原理
    B.虚力原理
    C.叠加原理
    D.静力平衡条件
    答:————
19.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">图3结构超静定次数为</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="210" height="122" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx01.files/jglx012819.png"></span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p>      </o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">图3</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
    A.6次
    B.7次
    C.8次
    D.9次
    答:————
20.[单选题] 静定结构的内力计算与( )。
    A.EI无关
    B.EI相对值有关
    C.I绝对值有关
    D.E无关,I有关
    答:————
21.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">图2结构当桁架高度增加时,杆</span><i><span style="font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">I</span></i><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">的内力</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><img width="292" height="143" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx05.files/jglx051371.png"></span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p>      </o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图2</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.增大
    B.减小
    C.不变
    D.不确定
    答:————
22.[单选题] 等直杆件AB的弯矩传递系数CAB( )。    南开答案q761296021 更多答案进 ap5u.com
    A.与B端支承条件及杆件刚度有关
    B.只与B端的支承条件有关
    C.与A、B两端的支承条件有关
    D.只与A端支承条件有关
    答:————
23.[单选题] <p class="16"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图5结构,用矩阵位移法计算时(考虑轴向变形),整体刚度矩阵的阶数是</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="16" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><img width="127" height="123" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx01.files/jglx014267.png"></span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p>      </o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">图5</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
    A.5
    B.6
    C.9
    D.10
    答:————
24.[单选题] 叠加原理用于求解静定结构时,需要满足的条件是( )。
    A.位移微小且材料是线弹性的
    B.位移是微小的
    C.应变是微小的
    D.材料是理想弹性的
    答:————
25.[单选题] 刚体体系与变形体体系虚功原理的虚功方程两者的区别在于( )。
    A.前者用于求位移,后者用于求未知力
    B.前者用于求未知力,后者用于求位移
    C.前者的外力总虚功等于零,后者的外力总虚功等于内力总虚功
    D.前者的外力总虚功不等于零,后者的外力总虚功等于内力总虚功
    答:————
26.[单选题] 当荷载频率θ接近结构的自振频率ω时,( )。
    A.可作为静荷载处理
    B.荷载影响非常小
    C.引起共振
    D.可以不考虑阻尼的影响
    答:————
27.[单选题] 变形体虚功原理的虚功方程中包含了力系与位移两套物理量,其中( )。
    A.力系必须是虚拟的,位移是实际的
    B.位移必须是虚拟的,力系是实际的
    C.力系与位移都必须是虚拟的
    D.力系与位移都是实际的
    答:————
28.[单选题] <p class="15"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图1体系的几何组成为( )。</span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="15" align="center" style="text-align:center;"><b><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-weight:bold;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><img width="398" height="132" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx02.files/jglx02428.png"></span></b><b><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-weight:bold;font-size:12.0000pt;mso-font-kerning:0.0000pt;">   <o:p>      </o:p></span></b></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图1</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.无多余约束几何不变体系
    B.有多余约束几何不变体系
    C.瞬变体系
    D.常变体系
    答:————
29.[单选题] 在温度变化下不产生反力和内力的结构是( )。
    A.桁架结构
    B.刚架结构
    C.静定结构
    D.超静定结构
    答:————
30.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">图3桁架零杆的个数为( )。</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="204" height="108" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx02.files/jglx021382.png"></span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p>      </o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图3</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.3个
    B.4个
    C.5个
    D.6个
    答:————
31.[单选题] 若平衡力系作用于静定结构的某一几何不变的部分上则其支座反力( )。
    A.恒为零
    B.不一定为零
    C.恒大于零
    D.恒小于零
    答:————
32.[单选题] <p class="15"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">已知某单元的杆端位移向量为</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="152" height="38" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx04.files/jglx044576.png"></span>,则单元类型为<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.梁单元
    B.桁架单元
    C.一般单元
    D.其他单元
    答:————
33.[单选题] 当杆件刚度系数SAB=3i时,杆的B端为( )。
    A.自由端
    B.固定端
    C.铰支承
    D.定向支承
    答:————
34.[单选题] 力矩分配法中的传递弯矩等于( )。
    A.固端弯矩
    B.分配弯矩乘以传递系数
    C.固端弯矩乘以传递系数
    D.不平衡力矩乘以传递系数
    答:————
35.[单选题] 力法典型方程的物理意义是( )。
    A.结构的平衡条件
    B.结点的平衡条件
    C.结构的变形协调条件
    D.结构的平衡条件及变形协调条件
    答:————
36.[单选题] <p class="15"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图1体系的几何组成为(</span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"> </span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">)</span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">。</span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="15" align="center" style="text-align:center;"><b><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-weight:bold;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><img width="378" height="144" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx03.files/jglx03428.png"></span></b><b><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-weight:bold;font-size:12.0000pt;mso-font-kerning:0.0000pt;">   <o:p>      </o:p></span></b></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图1</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.无多余约束几何不变体系
    B.有多余约束几何不变体系
    C.瞬变体系
    D.常变体系
    答:————
37.[单选题] <p class="MsoNormal" style="text-align:left;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">图3悬臂梁</span><i><span style="font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">C</span></i><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">截面的弯矩影响线在</span><i><span style="font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">C</span></i><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">点的纵坐标数值为</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="238" height="96" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx05.files/jglx052335.png"></span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p>      </o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图3</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.0
    B.-3
    C.-2
    D.-1
    答:————
38.[单选题] 力法方程是沿基本未知量方向的( )。
    A.力的平衡方程
    B.位移为零方程
    C.位移协调方程
    D.力的平衡及位移为零方程
    答:————
39.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">图2两端固定的梁,设AB线刚度为i,当A、B两端截面同时发生单位转角时,则杆件A端的弯矩</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">( )。</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><img width="253" height="90" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx04.files/jglx043447.png"></span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p>      </o:p></span></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图2</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
    A.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">8</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:3.0000pt;mso-text-raise:-3.0000pt;"><img width="12" height="22" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx04.files/jglx043493.png"></span> <o:p></o:p></p>
    B.<p class="15"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;">6</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;position:relative;top:3.0000pt;mso-text-raise:-3.0000pt;"><img width="12" height="22" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx04.files/jglx043537.png"></span> <o:p></o:p></p>
    C.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">4</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:3.0000pt;mso-text-raise:-3.0000pt;"><img width="12" height="22" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx04.files/jglx043581.png"></span> <o:p></o:p></p>
    D.<p class="15"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;">3</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;position:relative;top:3.0000pt;mso-text-raise:-3.0000pt;"><img width="12" height="22" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx04.files/jglx043625.png"></span> <o:p></o:p></p>
    答:————
40.[单选题] 等截面直杆的转角位移方程是表示单跨超静定梁( )。
    A.荷载、杆端位移等外因与杆端力之间的关系
    B.荷载与杆端位移之间的关系
    C.荷载与杆端力之间的关系
    D.杆端力与杆端位移之间的关系
    答:————

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