发布时间:2025-01-20 03:39:37
弯曲弹性模量应当是抗弯模量吧?与形状有关,是管状吗?
铝合金的弹性模量: 20度时为69~71(x10^3N/mm2)(GB/T 20801.2-2008 表B。3)
园管状抗弯模量: Wx0=0.0982(d^4-di^4)/d (d- 外径, di-内径)
其它形状计算详见建筑结构静力计算手册(第二版) 表1-6
我的电脑其他都能打开,就是打不开abbs建筑论坛,然后就出现了下面的页面,是怎么回事
2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37烈军属母亲在女儿家住了八年,现在想回家,可是她儿子家房屋破烂交通不便,该怎么怎样办
2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37One Victoria 维多利亚一号,引领曼彻斯特房产市场新潮流!
2025-01-20 03:39:37我刚领养五只小狗就是就是俗称的土狗昨天晚上怕他们冷就把他们放在房间里现在有点习惯了不想出去外面睡
2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37 2025-01-20 03:39:37