發送短信 : Evaluation of basal heave factor of safety for excavation in clays

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