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RESPONSE OF BRICK MASONRY WALLS TO RPG-7 THREAT

Jan Krest’an, Radek Ridky, Stanislav Rolc, Jaroslav Buchar

Abstract


The paper deals with the problem of RPG-7 (rocket propelled grenade) impact on the brick wall with SLAT armour. The scenario when the warhead is deactivated on SLAT armour, continue to move with some reduced velocity and interact with brick masonry wall is solved. The detonation of the explosive without jet formation is also considered. Experimental and numerical study of the brick masonry walls interaction with such was performed. Unreinforced walls and walls reinforced by using of steel add-on plates have been tested. Numerical simulations were carried out to estimate the response and damage of reinforced and unreinforced brick masonry walls subjected to RPG-7 threat based on the transient dynamic finite element program LSDYNA. The numerical simulation was used for the evaluation of the effect of the steel add-on plate thickness on the ballistic resistance of the masonry wall to the RPG -7 threat.


DOI
10.12783/ballistics22/36157

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