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

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