Quantum theory culminated in the with the theory of quantum mechanics of Schrödinger and Heisenberg which has been so effective in explaining the structure of matter.
【简答题】当纵向受力钢筋采用机械连接接头或焊接接头时,同一连接区段内纵向受力钢筋的接头面积百分率应符合设计要求;当设计无具体要求时,应符合应符合下列有关规定( )。A. ,板、墙、柱中受拉机械连接接头及装配式混凝土结构连接处受拉机械连接、焊接接头,可根据实际情况放宽接头面积率百分率要求 B. 受拉接头,不宜大于60%;受压接头,可不受限制 C. 直接承受动力荷载的结构构件中,不宜采用焊接;当采用机械连接...