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A gun based test method to simulate mine blast against boots

机译:一种基于枪支的测试方法,可模拟地雷对靴子的爆炸

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摘要

Blast mines have played a major role in almost every conflict from the two world wars to the most recent skirmishes. They provide a psychological threat in addition to denying access to areas and exerting a huge toll on the logistic and medical capabilities in conflict zones. Due to the lack of inexpensive and reliable mechanical technique that would work consistently and without the danger of mines being missed, human deminers are often preferred. This means that deminers are under constant threat of serious traumatic injuries to lower extremities, potentially leading to amputation and death.A limited number of studies have been published in the open literature regarding the performance of boots both commercially available and those that are specifically designed to deal with anti – personnel mines. The issue with these studies is that while they have followed a common test method, they have been unable to agree on the variables involved. This has resulted in studies that produce vastly different results making them difficult to compare. However, while all of them have concluded that none of the commercial boots tested provided adequate protection against even a small mine, there have been varied results observed with respect to certain mine resistant boots with some reporting adequate protection while others reporting outright failure. Blast testing involves a large number of variables making it difficult to produce repeatable, consistent and conclusive results, and therefore difficult to prove the claims of different boots.The aim of the research project was i) to investigate the reliability and reproducibility of current blast test methods while testing the performance of commercially available boots and ii) to develop a new test method that is able to replicate the performance of blast test methods that is capable of producing more consistent and reproducible results while being cheaper, quicker and flexible.To address these challenges, blast testing was conducted using a variety of commercially available boots – i) to test their performance and if the results observed line up with the literature and ii) to obtain baseline data for further analysis. Blast testing demonstrated that none of the commercially available boots offer adequate protection even against a small mine. They additionally highlighted issues with this type of testing regarding their accuracy and repeatability. This was compared to an analysis of the effect that foams have on reducing loads, which showed that by increasing the number of layers it was possible to reduce the loads measured. However, the total impulse measured remained the same irrespective of the foam thickness. The baseline data from the blast test was used to develop a new gun based test in order to address the limitation observed during blast testing. The final version of this test was able to match the performance of the blast test while being able to produce penetration. A subsection of the research tested the effectiveness of socks as a means of preventing contamination. Two different types of socks were used in three different arrangements and testing revealed that socks have a positive effect on preventing contamination.
机译:从两次世界大战到最近的小规模冲突,爆炸矿几乎在所有冲突中都发挥了重要作用。除了拒绝进入地区并给冲突地区的后勤和医疗能力造成巨大损失外,它们还带来了心理威胁。由于缺乏能够持续运行且不会遗漏地雷的危险的廉价而可靠的机械技术,因此通常首选人为排雷。这意味着排雷人员不断受到下肢严重外伤的威胁,有可能导致截肢和死亡。公开文献中有关靴子性能的研究数量有限,无论是市售靴子还是专为靴子设计的靴子。处理杀伤人员地雷。这些研究的问题在于,尽管他们遵循一种通用的测试方法,但却无法就所涉及的变量达成一致。这导致研究产生了截然不同的结果,使它们难以比较。但是,尽管他们都得出结论,所测试的商用靴子都没有提供足够的防护,即使是很小的地雷,但对于某些防雷靴子,却观察到各种各样的结果,其中一些报告了充分的保护,而另一些报告了彻底的失败。爆炸测试涉及大量变量,难以产生可重复,一致和结论性的结果,因此难以证明不同靴子的要求。研究项目的目的是:i)研究当前爆炸测试的可靠性和可重复性。测试市售靴子性能的方法和ii)开发一种新的测试方法,该方法能够复制爆炸测试方法的性能,该方法能够产生更一致和可重复的结果,同时更便宜,更快速,更灵活。挑战,爆炸测试使用各种市售靴子进行-i)测试其性能,观察到的结果是否与文献相符,ii)获得基线数据以进行进一步分析。爆炸测试表明,即使遇到小地雷,市售靴子也无法提供足够的保护。他们还强调了这类测试的准确性和可重复性方面的问题。将此与泡沫对降低负荷的影响的分析进行了比较,该分析表明,通过增加层数,可以减少测得的负荷。但是,无论泡沫厚度如何,测得的总脉冲都保持不变。爆炸测试的基线数据用于开发新的基于枪支的测试,以解决爆炸测试期间观察到的限制。该测试的最终版本能够与爆炸测试的性能相匹配,同时能够产生穿透力。研究的一个小节测试了袜子作为预防污染的有效性。在三种不同的布置中使用了两种不同类型的袜子,测试表明,袜子在防止污染方面具有积极作用。

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    Pinto R K;

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