图示结构,截面A、B间的相对转角为:() https://assets.asklib.com/psource/2016071811205118307.jpg https://assets.asklib.com/psource/2016071811205716040.jpg
图示结构中,截面B、C间的相对转角等于()https://assets.asklib.com/psource/2015102816032875136.jpg
图示结构,截面B的转角等于()https://assets.asklib.com/psource/2015102817205366485.jpg
图示结构当E点有P=1向下作用时,B截面产生逆时针转角 https://assets.asklib.com/psource/2016071811142154002.jpg ,则当A点有图示荷载作用时,E点产生的竖向位移为:() https://assets.asklib.com/psource/2016071811143220161.jpg https://assets.asklib.com/psource/2016071811143085818.jpg
图示结构当E点有P=1向下作用时,B截面产生逆时针转角φ,则当A点有图示荷载作用时,E点产生的竖向位移为:()https://assets.asklib.com/psource/2015102815265886526.jpg
图示结构杆长为l,EI=常数,C点两侧截面相对转角φ c 为:() https://assets.asklib.com/psource/2015102815133662132.jpg
图示结构,截面B的转角等于:()https://assets.asklib.com/psource/2015102816050983466.jpg
如下图所示,外伸梁弯曲变形后,A、C两截面转角的关系是()。<img src='https://img2.soutiyun.com/shangxueba/ask/1854001-1857000/1856540/ct_jgzjgysm_jgzjgyschoose_00071(20093).jpg' />
等截面刚架,矩形截面高h=l/10,材料的线膨胀系数为α,在图示温度变化下,C点的竖向位移△<sub>Cy</sub>之值为______。<img src='https://img2.soutiyun.com/ask/5328001-5331000/52d66b44a19241171173c05c8c9fb77e.jpg' />
图示结构K截面弯矩MK为()。<img src='https://img2.soutiyun.com/shangxueba/ask/2021-11/18/666/20211118111124101.png' />
图示中接头,水平杆采用a×b的矩形截面,斜杆与水平杆的夹角为a,其挤压面的面积为()<img src='https://img2.soutiyun.com//1/2021-06-08/992041685020271.jpg' />
图(a)所示结构发生图示支座移动,其力法基本结构如图(b),则其基本方程<img src="https://img2.soutiyun.com/shangxueba/askkp/2022-06/30/1147/20220630163535637.png" alt=""/>中的自由项c1和c2分别等于______和______。()
图示为结构在荷载作用下的MP图,各杆EI=常数,支座B截面处的转角为:<img src='https://img2.soutiyun.com/shangxueba/ask/61308001-61311000/61310357/3c6949b20cdf4ea8629d42622cfe35f4.png' />
图示各结构中,除特殊注明者外,各杆件EI=常数。其中不能直接用力矩分配法计算的结构是:<img src='https://img2.soutiyun.com/ask/uploadfile/2685001-2688000/409085b6c8a6443a9097ca0854b53b2b.jpg' />
图示结构由三个横截面积为A的铆钉连接两块钢板而成,图中尺寸单位均为mm,则铆钉的最大剪应力为()<img src='https://img2.soutiyun.com/shangxueba/ask/19029001-19032000/19030706/2014081810394576178.png' />
图示多跨静定梁截面B左侧的剪力FQB左的影响线,在E点处的值为()。<img src='https://img2.soutiyun.com/1/2020-10-19/971954316968018.png' />
图示结构中,F=10N,Ⅰ为圆杆,直径d=15mm,2为正方形截面杆,边长为a=20mm,a=30°,则各杆强度计算有误的一项为()。<img src='https://img2.soutiyun.com/ask/uploadfile/5532001-5535000/a5e3430d445e795ed6d42267e76268b3.jpg' />
图示结构中,截面B、C间的相对转角等于:<img src='https://img2.soutiyun.com/ask/uploadfile/2685001-2688000/f002397138431b54839e332517a6193e.jpg' /><img src='https://img2.soutiyun.com/ask/uploadfile/2685001-2688000/40543a3431fef1141675dd2d36872b20.jpg' /><img src='https://img2.soutiyun.com/ask/uploadfile/2685001-2688000/2f436705571f8c5bf85af9cfc9bb2714.jpg' /><img src='https://img2.soutiyun.com/ask/uploadfile/2685001-2688000/f79fa35e03db8429f256a14c16a83cf7.jpg' /><img src='https://img2.soutiyun.com/ask/uploadfile/2685001-2688000/b2c06d01c16e68207fa1b932cd03845f.jpg' />
图示结构,截面C的弯矩为()。<img src='https://img2.soutiyun.com/shangxueba/ask/2021-11/18/250/20211118110634160.png' />
图示结构,BA杆件B端弯矩MBA(左侧受拉为正)为()。<img src='https://img2.soutiyun.com/1/2021-04-07/986666229837022.jpg' />
图示结构A端作用力偶m则B端转角φg的值为()<img src='https://img2.soutiyun.com/shangxueba/ask/2021-12/7/1257/20211207102832305.png' />
图示结构截面B的剪力Q<sub>BA</sub>等于()<img src='https://img2.soutiyun.com/shangxueba/ask/17730001-17733000/17730128/2015102816015575622.jpg' />
已知图示结构EI=常数,A、B两点的相对水平线位移为:()<img src='https://img2.soutiyun.com/shangxueba/ask/17727001-17730000/17728519/2015102815263390018.jpg' />
图示结构D截面剪力QD影响线在E点的坚标应是()。<img src='https://img2.soutiyun.com/shangxueba/ask/2021-11/18/1101/20211118110943848.png' />