Recent researches focused on developing robust blast load mitigation systems due to the threats of terrorist attacks. One of the main embraced strategies is the structural systems that use mitigation techniques. They are developed from a combination of structural elements and described herein as conventional systems. Among the promising techniques is that redirect the waves propagation through hollow tubes. The blast wave propagation through tubes provides an efficient system since it combines many blast wave phenomena, such as reflection, diffraction, and interaction. In this research, a novel blast load mitigation system, employed as a protection fence, is developed using a technique similar to the technique of the bent tube in manipulating the shock-wave. The relative performance of the novel system to the conventional system is evaluated based on mitigation percent criteria. Performances of both systems are calculated through numerical simulation. The proposed novel system proved to satisfy high performance in mitigating the generated blast waves from charges weight up to 500 kg TNT at relatively small standoff distances (5 m and 8 m). It mitigates at least 94% of the blast waves, which means that only 6% of that blast impulse is considered as the applied load on the targeted structure.

由于恐怖袭击的威胁，最近的研究集中在开发强大的爆炸载荷缓解系统。包含的主要策略之一是使用缓解技术的结构系统。它们由结构元件的组合开发而成，在本文中被描述为常规系统。在有前途的技术中，有一种方法是重定向通过空心管传播的波。由于爆炸波结合了许多爆炸波现象，例如反射，衍射和相互作用，因此通过管传播的爆炸波提供了一种有效的系统。在这项研究中，使用类似于弯曲管操纵冲击波的技术，开发了一种新型的减轻爆炸载荷的系统，用作防护围栏。基于缓解百分比标准评估新型系统与常规系统的相对性能。这两个系统的性能都是通过数值模拟来计算的。事实证明，所提出的新颖系统在减轻冲击距离（5 m和8 m）时，在减轻重达500 kg TNT的装药所产生的爆炸波方面具有较高的性能。它至少减轻了94％的冲击波，这意味着只有6％的冲击波脉冲被认为是目标结构上的施加载荷。