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基于原有的防护工程中,大多数工程结构的抗爆炸能力较低,为了适应现代常规战争的需要,务必对这些工程结构进行加固改造,以增强结构抗爆炸的能力,文中对钢筋混凝土结构内粘钢板的模型进行了三次爆炸模拟试验,并对钢筋混凝土—钢板组合结构的试验现象进行了理论分析,用应力波理论说明了由于钢板加固后,钢筋混凝土内很难产生大的拉应力,故钢筋混凝土内表面不再出现拉裂破坏,增强了结构的抗爆炸能力。进而推断防空掩体头部内粘钢板加固以极大增强抗航、炮弹能力的可行性,试验结果与理论分析表明,作者认为该加固技术是可行的,试验结果对国内原有防护工程的加固改造有一定的指导价值。
Based on the original protection project, most of the engineering structures have low resistance to explosion. In order to meet the needs of the modern conventional warfare, it is imperative to reinforce these engineering structures so as to enhance their capability of resisting explosions. In this paper, The model of the sticking steel plate is simulated by three explosions. The test phenomenon of the reinforced concrete-steel plate structure is analyzed theoretically. The stress wave theory shows that it is hard to produce large tensile stress in the reinforced concrete after the steel plate is strengthened. Reinforced concrete no longer appear on the inner surface of the tensile cracking damage, enhance the structure of the anti-explosive capability. Then it is concluded that the reinforcement of the internal steel plate in the head of air defense shelter can greatly enhance the feasibility of antiaircraft and projectile capability. The experimental results and theoretical analysis show that the reinforcement technology is feasible. The results of the experiment reinforce the reinforcement and reconstruction of the existing domestic protective engineering Have some guidance value.