發送短信 : Catenary action of reinforced concrete beams subjected to missing column scenario

           _    _    __   _    _    _    __   __  
    ___   | || | || | || | || | || | ||  \ \\/ // 
   /   || | || | || | '--' || | || | ||   \   //  
  | [] || | \\_/ || | .--. || | \\_/ ||   / . \\  
   \__ ||  \____//  |_|| |_||  \____//   /_//\_\\ 
    -|_||   `---`   `-`  `-`    `---`    `-`  --` 
     `-`