2022年建筑力学第二次作业.pdf
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1、建筑力学第二次作业答案得分:98 一、单项选择题。本大题共20 个小题,每小题 2.0 分,共 40.0 分。在每小题给出的选项中,只有一项是符合题目要求的。1.杆拉压变形中横截面上应力均布的结论是从()假设得到的:(C)A.各向同性B.小变形C.平面D.单向受力2.弹性极限,比例极限,屈服极限和强度极限中最小的是():(B)A.弹性极限B.比例极限C.屈服极限D.强度极限3.弹性极限,比例极限,屈服极限和强度极限中最小的是():(B)A.弹性极限B.比例极限C.屈服极限D.强度极限4.如果一个材料的拉伸强度和压缩强度相差较大,说明这个材料可能是():(C)A.弹性材料B.塑性材料C.脆性材料
2、D.不能确定5.拉压杆的强度公式不能用于解决哪个问题():(C)A.强度校核B.截面尺寸设计C.受力分析D.确定许用载荷6.在杆件的拉压实验中,如果断口呈45 度左右倾斜,则材料应该是():(C)A.弹性材料B.塑性材料C.脆性材料D.不能确定7.名义剪应力和名义挤压应力中“名义”二字的含义指():(D)A.最大B.最小C.精确D.近似8.在连接件的近似计算中,通常考虑剪切强度,挤压强度和():(C)A.弯曲强度B.板的拉伸强度C.屈服强度D.极限强度9.圆轴逆时针方向旋转时,横截面45 度角分线上某点的剪应力与x 轴正向(假设水平向右)之间的夹角为():(C)A.45 度B.90 度C.13
3、5 度D.0 度10.电动机功率为200KW,转速为100 转/分,则其输出扭矩为():(B)A.19.1Nm B.19.1kNmC.4.774Nm D.4.774kNm 11.在外载荷及梁横截面面积不变的前提下,若将截面从圆形改成矩形,则梁的最大剪应力从8MPa变为():(C)A.7MPa B.8MPa C.9MPaD.10MPa 12.在梁的弯曲应力分析中,通常以()作为设计截面尺寸的依据:(B)A.剪应力B.正应力C.最大弯矩D.最小弯矩13.欧拉公式中的惯性矩是指横截面的()惯性矩:(A)A.最小B.最大C.平均D.任意文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O
4、8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A
5、1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O
6、8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A
7、1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O
8、8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A
9、1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O
10、8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q314.在载荷不变的前提下,将悬臂梁的直径由d 改为 2d,则自由端处的位移是原位移的():(C)A.1/4 B.1/8 C.1/16D.1/32 15.悬臂梁在自由端处作用集中力,假设将此力由端部移至悬臂梁的中部,此时自由端的转角是原先的():B)A.1/2 B.1/4C.1/8 D.1/16 16.如果用单位载荷法求结构中某点的水平位移,应在该点施加():(C)A.单位力偶矩B.垂直方向的单位载荷C.水平方向的单位载荷D
11、.任意方向的单位载荷17.刚架和梁使用单位载荷法时通常只考虑()引起的位移:(C)A.轴力B.扭矩C.弯矩D.剪力18.力法方程的基本意义是基本结构在多余未知力和荷载的共同作用下,与原结构多余未知力作用处的()相同:(D)A.力B.力矩C.支反力D.位移19.在使用图乘法计算力法方程中的系数时,如果一个弯矩图为对称图形,另一个为反对称图形,则系数应该():(C)A.为正B.为负C.为零D.无法计算20.直杆转角位移方程的研究对象都是():D)A.简支梁B.悬臂梁C.静定梁D.超静定梁文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2
12、 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3
13、I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2
14、 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3
15、I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2
16、 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3
17、I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2
18、 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3二、多项选择题。本大题共10 个小题,每小题 3.0 分,共 30.0 分。在每小题给出的选项中,有一项或多项是符合题目要求的。1.应力集中现象通常发生在():(ABD)A.变截面处B.空洞处C.等截面处D.裂尖处2.低碳钢的拉伸曲线中包括哪些阶段():(ABCD)A.屈服阶段B.强化阶段C.弹性阶段D.颈缩阶段3.圆轴扭转切应力公式的推导包括哪几个方面():(BCD)A.强度条件B.力学平衡C.物理关系D.几何关系4.材料力学中,最常见的静定梁有():(ABD)A.
19、简支梁B.悬臂梁C.平面刚架D.简支外伸梁E.桁架5.如下措施中哪些可以提高梁的强度():(BCEF)A.将分布载荷变成集中载荷B.将集中载荷变成分布载荷C.增大截面尺寸D.减小截面尺寸E.用空心截面代替实心截面F.增加支撑点文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V
20、3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV4Z3V7A1F2 HV9Q8D8H3V3 ZI1O8N3I6Q3文档编码:CV
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