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

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