Study on Explosion Resistance of Reinforced Concrete Slab Strengthened with POZD Coated Steel Plate
WEI Guangshuai1, WANG Wei1,*, YANG Jianchao2,*, GAO Weiliang2
1 Key Laboratory of Impact and Safety Engineering, Ministry of Education, Ningbo University, Ningbo 315211, Zhejiang, China 2 Institute of Defence Engineering AMS, PLA, Luoyang 471023, Henan, China
Abstract: In order to study the explosion resistance of polyisocyanate oxazodone (POZD) polymer material coated steel plate reinforced concrete slab under contact explosion load, contact explosion experiment and numerical simulation were carried out, and its damage characteristics were analyzed. The finite element models of reinforced concrete slab, explosive, steel plate and POZD are established by using the finite element software LS-DYNA. The damage modes and damage characteristics of reinforced concrete slab strengthened with POZD coated steel plate under different charges are discussed. The experimental and numerical results show that coating POZD coating on the back of steel plate-reinforced concrete slab can effectively improve the explosion resistance of the structure. Under the action of contact explosion, the specimens of reinforced concrete slab strengthened with POZD coated steel plate show four damage modes.
通讯作者: *汪维,宁波大学机械工程与力学学院副教授、博士研究生导师。2005年国防科学技术大学指挥军官基础教育学院野战工程系本科毕业,2008年国防科学技术大学指挥军官基础教育学院野战工程系硕士毕业,2012年国防科学技术大学理学院工程物理研究所博士毕业。2018年至今任职于宁波大学冲击与安全工程教育部重点实验室。目前主要从事爆炸过程的数值模拟、冲击侵彻效应及工程防护、武器效应及毁伤评估方面的研究工作。发表论文60余篇,包括Composites Part B:Engineering、International Journal of Impact Engineering、Defence Technology、Engineering Failure Analysis等。主持国家自然科学基金面上项目、青年科学基金项目和国家安全重大基础研究项目,入选中国科协青年人才托举工程、浙江省高层次人才特殊支持计划。wangwei7@nbu.edu.cn 杨建超,军事科学院国防工程研究院工程防护研究高级工程师、硕士。目前主要从事爆炸过程的数值模拟、冲击侵彻效应及工程防护、武器破坏效应及毁伤评估等方面的研究工作。发表论文59篇,包括Defence Technology、International Journal of Impact Engineering、Composites Part B:Engineering等。jiebao9630@163.com
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2023, Vol. 37 
