أرسل هذا في رسالة قصيرة: Post-fire behaviour and resistances of S690 high strength steel welded I-section stub columns

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