أرسل هذا في رسالة قصيرة: Compressive behaviour and capacities of S690 high strength steel welded π-shaped and cruciform section stub columns

 _    _      ___      _____     _____    _    _   
| |  | ||   / _ \\   |__  //   |  ___|| | |  | || 
| |/\| ||  / //\ \\    / //    | ||__   | |/\| || 
|  /\  || |  ___  ||  / //__   | ||__   |  /\  || 
|_// \_|| |_||  |_|| /_____||  |_____|| |_// \_|| 
`-`   `-` `-`   `-`  `-----`   `-----`  `-`   `-`