Research Progress on the “Least Risk Bomb Location”(LRBL) for Transport Aircraft

Abstract

The LRBL is one of the latest cabin security requirement for transport aircraft certification. According to(least risk bomb location, LRBL) airworthiness requirements and related advisory circular, based on design and layout of structures and systems around LRBL and the secondary effects and countermeasures after the explosion, the research progress on response characteristics and failure modes of aircraft structure subjected to internal explosion is discussed. The damage mechanism and damage model of human organs under blast shock wave is combed. The probability model of explosive debris is cleared. The design characteristics, advantages and disadvantages of blast-resistant containers at home and abroad is summarized. The related project studies on the response of fuselage structures under internal explosive load of Tianjin Key Laboratory of Civil Aircraft Airworthiness and Maintenance, Civil Aviation University of China are briefly described.

Keywords

• least risk bomb location
• airworthiness
• advisory circular
• damage
• aircraft structure
• blast-resistant containers