發送短信 : Pile behaviour due to excavation induced lateral soil movement

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