Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6704804 | Composite Structures | 2018 | 31 Pages |
Abstract
Aluminium foam has advantages of excellent shock absorption, cyclic utilization, and lightweight. Ultra-high-molecular-weight polyethylene (UHMWPE) fibre has a low density, a high specific strength, a high modulus and a great capability in energy absorption. Steel wire mesh has high toughness and elongation properties and a good effect on energy absorption. In the present study, UHMWPE fibre, steel wire mesh and aluminium foam were used to protect ultra-high-strength concrete (UHSC) targets to resist DT300 high-strength alloy-steel projectile penetration with striking velocities from 550â¯m/s to 800â¯m/s. High-speed impact tests on normal-strength concrete (NSC) targets were also conducted for comparison. Testing results including the failure mode, depth of penetration (DOP), crater dimensions and damage area of protected concrete targets, indicate that the new composite material protective cover has an outstanding performance in the shock wave absorption, especially in reducing the crack propagation and debris spatter of protected UHSC targets, as well as increasing the deviation angles of projectile terminal ballistic trajectories. It is a successful demonstration of anti-penetration properties research for new concrete composite structures.
Related Topics
Physical Sciences and Engineering
Engineering
Civil and Structural Engineering
Authors
Ruizhe Shao, Chengqing Wu, Zhongxian Liu, Yu Su, Jian Liu, Gang Chen, Shenchun Xu,