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

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