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

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Text this: A new generalized Drucker–Prager flow rule for concrete under compression