聚脲涂覆建筑结构抗爆性能研究进展

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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

Published: 08 January 2021

CLC number:	X932
	TB324

About author:: Pengfei Sun received his B.S. degree in engineering from Shandong Agricultural University in 2019. He is currently pursuing his M.D. at the Civil Engineering School, Qingdao University of Technology. At present, his research field is new functional materials, and the specific research direction is polyurea elastomer explosion protection. Jian Huang, deputy chief engineer, director of Planning and Design Division, senior engineer of Qingdao Metro Co., Ltd. In 1982, he graduated from Lanzhou Railway University majoring in railway engineering. Entered Qingdao Metro Co., Ltd in 1993. Presided over the completion of “Qingdao City Urban Rail Transit Network Planning”, “Qingdao City Rapid Rail Transit Construction Plan” and various related special reports. Responsible for the preparation of the “Feasibility Study Report on the Phase I Project of Qingdao Metro (Line 3)”. Presided over 12 research projects. Mainly engaged in the planning, design and construction management of Qingdao Metro.

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	SUN Pengfei
	HUANG Jian
	LYU Ping
	ZHANG Rui
	FANG Zhiqiang

Cite this article:

SUN Pengfei,HUANG Jian,LYU Ping, et al. Research Progress of Explosion Resistance of Polyurea Coated Building Structure[J]. Materials Reports, 2020, 34(Z2): 623-630.

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http://www.mater-rep.com/EN/ OR http://www.mater-rep.com/EN/Y2020/V34/IZ2/623

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