Describir: Soil mechanics, foundations and earth structures :

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