2022年中国石油大学现代远程教育《工程力学》期末考试答案 .pdf

中国石油大学（北京）远程教育学院期末考试工程力学学习中心：_姓名：_学号：_ 关于课程考试违规作弊的说明1、提交文件中涉嫌抄袭内容（包括抄袭网上、书籍、报刊杂志及其他已有论文），带有明显外校标记，不符合学院要求或学生本人情况，或存在查明出处的内容或其他可疑字样者，判为抄袭，成绩为“0”。2、两人或两人以上答题内容或用语有50%以上相同者判为雷同，成绩为“0”。3、所提交试卷或材料没有对老师题目进行作答或提交内容与该课程要求完全不相干者，认定为“白卷”或“错卷”，成绩为“0”。一、题型简答题，8 题，每题 5 分，共 40；计算题，4 题，每题 15 分，共 60 分）二、题目学号尾数为奇数的同学做题目序号后有“A”字样的题，学号尾数为偶数的同学做题目序号后有“B”字样的题简答题：1A 在铸铁压缩试验中，破坏后的铸铁试样断口平滑呈韧性，与轴线近似成45。破坏前，该断口所在斜截面的应力有何特点？答：剪应力最大1B 在铸铁扭转试验中，铸铁断口的形态是什么样的？答：断口呈螺旋面、与轴线近似成45。2A 根据铸铁试件扭转破坏断口可以推断，铸铁的扭转破坏和什么因素有很大的关系？答：最大拉应力2B 电阻应变片（简称电阻片或应变片）应用广泛，它是利用什么原理实现电测的？答：金属丝的电阻随机械变形而发生变化3A 冲击韧性的物理意义是什么？答：试样断裂过程中断面单位面积吸收的能量3B 矩形截面梁在截面B处沿铅垂对称轴和水平对称轴方向上分别作用有PF，如图所示。请问最大拉应力和最大压应力发生在危险截面A的哪些点上？答：4A 构件中危险点的应力状态如图所示。构件为钢制：x=45MPa，y=135MPa，z=0，xy=0，许用应力=160MPa。请用第三强度理论校核该构件的强度。答：选用第三强度理论，构件满足强度要求4B 构件中危险点的应力状态如图所示。构件材料为铸铁：x=20MPa，y=-25MPa，z=40MPa，xy=0，许用应力=30MPa。请用第一强度理论校核该构件的强度。答：选用第一强度理论，构件不满足强度要求5A 什么是压杆的临界载荷？答：使压杆保持稳定的直线平衡构形的最大轴向压力文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A45B 压杆约束强弱对其稳定性有何影响，请定性说明。答：压杆约束愈强，压杆的临界载荷FPcr愈高，其稳定性愈好6A 如图所示，一端固定、另一端由弹簧侧向支撑的细长压杆的临界载荷，可采用欧拉公式22/lEIFPcr计算。请估计该压杆的长度系数的取值范围。答：0.7 2.06B 什么是冲击动荷系数？答：构件承受的冲击载荷和相应静载荷之比7A 构件在突加载荷作用下引起的应力和位移是相应静载荷作用下的几倍？答：二倍7B 将重物突然放到结构上和将重物缓慢放到结构上，哪种情形下结构产生的最大变形大？答：前者产生的最大变形大8A 什么是持久极限？答：经过无穷多次应力循环而不发生破坏时的最大应力值8B 影响实际构件疲劳寿命的三个主要因素是什么？答:应力集中、零件尺寸、表面加工质量。计算题：1A 砖夹的宽度为250mm，杆件AGB和GCED在G点铰接。已知：砖的重量为W；提砖的合力为FP，作用在砖夹的对称中心线上；尺寸如图所示，单位为mm；砖夹与砖之间的静摩擦因数sf=0.5。试确定能将砖夹起的d值(d是G点到砖块上所受正压力作用线的距离)。文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4题 1A 图答：1B 试求图示静定梁在A、B、C三处的全部约束力。已知d和q。题 1B 图文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4答：2A 一端固定另一端自由的圆轴承受4 个外力偶作用，如图所示。各力偶的力偶矩数值(单位为 kN m)均示于图中。试画出圆轴的扭矩图。题 2A 图文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4答：2B 试画出图示梁的剪力图、弯矩图。题 2B 图答：3A 图示外伸梁承受集中载荷PF作用，尺寸如图所示。已知PF=20kN，许用应力=160MPa，试选择所用工字钢的型号。题 3A 图附表：qaaaCBAqa2q文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4答：（1）先求约束反力（2）作弯矩图（部分）文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4（3）强度分析文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 HD1O9D4D1Y2 ZE6G7B8O2A4文档编码:CB3K7T5W2O2 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