Describir: Soil mechanics, foundations and earth structures :

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