أرسل هذا في رسالة قصيرة: Behaviour of reinforced concrete columns strengthened by external prepacked concrete jacketing under uniaxial compression

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