Describir: Soil mechanics, foundations and earth structures :

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