Describir: The reinforcement of slabs in accordance with a pre-determined field of moments

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