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| || | ||  |  ___|| |      \\   / _ \\    ____    
| '--' ||  | ||__   |  --  //  | / \ ||  |    \\  
| .--. ||  | ||__   |  --  \\  | \_/ ||  | [] ||  
|_|| |_||  |_____|| |______//   \___//   |  __//  
`-`  `-`   `-----`  `------`    `---`    |_|`-`   
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Text this: Pile behavior due to excavation-induced soil movement in clay. I: Stable wall