中南大学学报（自然科学版）2011，Vol.42Issue(6)：1692-1697,6.
工业安全帽的抗冲击性能
Investigation on impact properties of industrial safety helmets
摘要
Abstract
In order to study the impact performances of different helmets used in different environments, the most commonly used helmets were tested by drop hammer impact system. The strain signals measured from strain gouges glued on self-made head model were compared with the corresponding damage situation of the helmets. The results show that the impact performances of helmets depend mainly on their structure and materials, and the hoop of helmet has a good protective function. For the same brand of helmets, there is a limited value of the impact energy. When energy generated from objects falling to the helmets from a height is larger than the limited energy, the helmet loses their protection function. Meanwhile the impact strength of the aging of the helmet decreases significantly after the use of 2 a to 3 a.关键词
安全帽/抗冲击性能/落锤试验Key words
safely helmets/ impact properties/ drop hammer test分类
交通工程引用本文复制引用
李夕兵,杜晶,洪亮..工业安全帽的抗冲击性能[J].中南大学学报（自然科学版）,2011,42(6):1692-1697,6.基金项目
国家科技支撑计划项目(2007BAK24B01-4) （2007BAK24B01-4）
国家自然科学基金资助项目(50490274) （50490274）
