材料导报 2020, Vol. 34 Issue (Z2): 623-630
高分子与聚合物基复合材料
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聚脲涂覆建筑结构抗爆性能研究进展
孙鹏飞1 , 黄舰2 , 吕平1 , 张锐1 , 方志强1
1 青岛理工大学土木工程学院,青岛 266033 2 青岛地铁集团有限公司,青岛 266033
Research Progress of Explosion Resistance of Polyurea Coated Building Structure
SUN Pengfei1 , HUANG Jian2 , LYU Ping1 , ZHANG Rui1 , FANG Zhiqiang1
1 School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, China 2 Qingdao Metro Co., Ltd., Qingdao 266033, China
摘要 随着聚脲弹性体在结构防护领域的大量应用,其抗爆性能的研究逐渐成为一大热点。为有效增强建筑结构在爆炸载荷作用下的防护性能,减轻爆炸事故对我国社会稳定和经济可持续发展带来的危害,本文基于国内外聚脲弹性体涂覆建筑结构抗爆性能的研究现状,介绍了聚脲弹性体优异的综合力学性能和敏感的应变率效应;以建筑结构中墙体的防护和板式构件的防护为重点,综述了聚脲涂覆建筑结构在爆炸冲击载荷作用下的研究进展,指出了聚脲涂覆建筑结构优异的抗爆性能以及尚存在的一些问题。分析结果表明:聚脲材料具有高强度、高应变率等优异的力学性能,在较宽的应变率区段内,随着应变率的增加,聚脲的力学性能会有一定的提高;在爆炸载荷作用下产生变形时,聚脲可以吸收大量能量,不仅能够增强建筑结构的抗爆性能,还能增强结构的整体稳定性,减少结构碎片的产生。对聚脲涂敷建筑结构研究现状、现存问题的概括与总结,有利于促进聚脲材料的研究及工程应用,对建筑结构的爆炸防护研究具有重要意义。
关键词:
聚脲弹性体
建筑结构
力学性能
爆炸载荷
抗爆性能
Abstract: With the extensive application of polyurea elastomer in structural protection, the research on its explosion resisting performance has gradually become a hot spot. In order to effectively enhance the protective performance of the building structure under the effect of explosion load, and reduce the harm caused by explosion accidents to the stability of our society and the sustainable development of the economy,this paper summarizes the excellent mechanical properties of polyurea based on the research status of the explosion resisting performance of polyurea coated building structures at home and abroad. Focusing on the protection of building wall structures and the protection of building panel members, the research progress of polyurea-coated building structures under the impact of explosive impact loads is reviewed. The excellent explosion resisting performance and unsolved problems of polyurea-coated building structures are pointed out. The analysis results show that the polyurea material has excellent mechanical properties such as high strength and high strain rate. In the wider strain rate section, as the strain rate increases, the mechanical properties of polyurea will be improved to a certain extent. When deformed under the effect of an explosion load, polyurea can absorb a lot of energy, which can not only enhance the anti-explosion performance of the building structure, but also enhance the overall stability of the structure. The summary of the research status and existing problems of polyurea-coated building structures are conducive to promoting the research and engineering application of polyurea materials, and are of great significance to the research on explosion protection of building structures.
Key words:
polyurea elastomer
building structure
mechanical properties
explosive loading
explosion resistance
出版日期: 2020-11-25
发布日期: 2021-01-08
通讯作者:
hj78158@163.com
作者简介: 孙鹏飞,2019年6月毕业于山东农业大学,获得工学学士学位。现为青岛理工大学土木工程学院硕士研究生,目前主要研究领域为新型功能材料,具体研究方向为复合材料抗爆抗冲击。黄舰,青岛地下铁道公司副总工程师、规划设计处处长、高工。1982年毕业于兰州铁道学院铁道工程专业。1993进入青岛地铁集团。主持完成了《青岛市城市轨道交通线网规划》,《青岛市快速轨道交通建设规划》及相关各项专题报告。负责《青岛地铁一期工程(3号线)可行性研究报告》编制工作。主持了12项科研课题的研究。主要从事青岛地铁建设规划、设计、施工等管理工作。
引用本文:
孙鹏飞, 黄舰, 吕平, 张锐, 方志强. 聚脲涂覆建筑结构抗爆性能研究进展[J]. 材料导报, 2020, 34(Z2): 623-630.
SUN Pengfei, HUANG Jian, LYU Ping, ZHANG Rui, FANG Zhiqiang. Research Progress of Explosion Resistance of Polyurea Coated Building Structure. Materials Reports, 2020, 34(Z2): 623-630.
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