- A.转动刚度改变,分配系数不变
- B.转动刚度不变,分配系数改变
- C.转动刚度和分配系数均不变
- D.转动刚度和分配系数均改变
- A.<img src="//img1.yqda.net/question-name/94/15b4e79e05842d93ac9a568aecd7be.png" width="35" height="39"/>
- B.<img src="//img1.yqda.net/question-name/40/a2ea3eaa09bdf6f13f9c75ef467be1.png" width="37" height="38"/>
- C.<img src="//img1.yqda.net/question-name/a1/e3bcf0922bc0082b9a33ddf549c460.png" width="30" height="39"/>
- D.<img src="//img1.yqda.net/question-name/26/1c68ec5979f2bb6f0dd12b6a43524a.png" width="42" height="37"/>
- A.<img src="//img1.yqda.net/question-name/5c/6c4e3146dbca7cea60482d4c6f5e58.png" width="71" height="38"/>
- B.<img src="//img1.yqda.net/question-name/83/aa8f9dbcb2a2781c40510b61b4df39.png" width="84" height="38"/>
- C.<img src="//img1.yqda.net/question-name/38/78bbc27d544a36c0e8285627ba6a5f.png" width="70" height="38"/>
- D.<img src="//img1.yqda.net/question-name/80/245e61cebfd3fe93713889b64a23fd.png" width="69" height="35"/>
- 19
-
图示结构的超静定次数为
- A.1次
- B.2次
- C.3次
- D.4次
- A.弯矩和剪力为零
- B.剪力和轴力为零
- C.轴力和弯矩为零
- D.弯矩、剪力和轴力均不为零
- A.<img src="//img1.yqda.net/question-name/fb/bebbe490b6f8bae5efa8162d3deaae.png" width="126" height="93"/>
- B.<img src="//img1.yqda.net/question-name/d1/ecc9c3445658de378bdc8340636947.png" width="127" height="97"/>
- C.<img src="//img1.yqda.net/question-name/ba/4055da2e59c0a88128071bf68a67b9.png" width="126" height="100"/>
- D.<img src="//img1.yqda.net/question-name/53/52fadc918c336afd27533266f8f9c9.png" width="133" height="95"/>
- A.-F<sub>P</sub>
- B.0
- C.F<sub>P</sub>
- D.2F<sub>P</sub>
- A.<img src="//img1.yqda.net/question-name/14/e306379d6f07e1da9b7973aafe4dc1.png" width="114" height="103"/>
- B.<img src="//img1.yqda.net/question-name/b3/ed578a9586c8c17671d88e5f3de94a.png" width="114" height="102"/>
- C.<img src="//img1.yqda.net/question-name/a5/b3bb96163c2afd5bcd159ff67a2c19.png" width="120" height="101"/>
- D.<img src="//img1.yqda.net/question-name/51/319ac9a54a034a061ac56e0183243e.png" width="123" height="104"/>
- A.水平反力和竖向反力均不变
- B.水平反力和竖向反力均改变
- C.水平反力不变,竖向反力改变
- D.水平反力改变,竖向反力不变
- 25
-
图示体系是
- A.无多余约束的几何不变体系
- B.有多余约束的几何不变体系
- C.瞬变体系
- D.常变体系