泡沫混凝土的负泊松比设计与静载力学特性研究

doi:10.11896/cldb.20070078

Abstract
Figure/Table
References
Related Citation (15)

Download:

Full Text ( PDF ) (6499KB)
Export: BibTeX | EndNote (RIS)

Abstract The auxetic material has attracted much attention in the field of materials due to its special properties. The application of negative Poisson's ratio in the design of foam concrete can make it possess good mechanical properties and energy absorption effect. In this experiment, foam concrete was prepared by chemical foaming method, and three kinds of foam concrete with different pore shapes were obtained, repectively namely, closed-hole foam concrete, through hole foam concrete, and inner concave foam concrete. The dry density and pore structure parameters of foam concrete were characterized by image method, and the static compression and flexural strength of foamed concrete were tested by a universal testing machine. The regional deformation behavior and Poisson's ratio of foam concrete were studied by CCD camera and digital speckle correlation met-hod (DSCM). The results show that the porosity, pore size and dry density of foam concrete are related to the amount of foaming agent. The more the amount of added foam, the smaller dry density, and the larger porosity and pore size. The compressive strength and flexural strength of foam concrete are also related to the amount of foaming agent, and the strength decreases with the increase of the amount of added foam. But the foam concrete with inner concave holes has higher compressive strength and flexural strength. The fracture energy of inner concave foamed concrete under compression is 33.9×10³ J/m³, and its value is 44.9% higher than that of ordinary closed-hole foam concrete. DSCM indicated that it had an obvious shrinkage effect during compression. DSCM calculated that the shrinkage ratio of foam concrete with inner concave hole could reach 37.5% of closed-hole foam concrete, and the maximum negative Poisson's ratio could reach -3.7 during compression.

Key words： foam concrete negative Poisson's ratio hole structure mechanical properties digital speckle correlation method

Published: 25 December 2021 Online: 2021-12-27

CLC number:

TU528

Fund:This work was financially supported by the Special Project of Science and Technology Plan in 2020 of Qingdao West Coast New Area, China (2020-38), the Open Research Fund of State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin(China Institute of Water Resources and Hydropower Research) (IWHR-SKL-202106), the Open Fund of innovation institute for Sustainable Maritime Architecture Research and Technology (iSMART), Qingdao University of Technology (2020-034), the National Natural Science Foundation of China Project (51408330) and the Foundation for Outstanding Young Scientist in Shandong Province (BS2014CL031).

About author: Yanxuan Ma, Ph. D., associate professor, director of Department of Materials Science and Technology in Qingdao University of Technology, member of International Society of Protective Engineering (IAPS), senior member of China Silicate Academy, member of Youth Committee of Earthquake Disaster Mitigation for Infrastructure in Seismological Society of China, member of Shandong Expert Committee on Concrete and Cement Products, member of Shandong Materials Society, science and technology review expert in Qingdao city. At present, he mainly engages in the integrated design of life-cycle building materials and structures from multi-scales for di-saster prevention and reduction,including intelligent self-healing materials, engineering materials and structures subject to intense dynamic loadings, such as blast and impact, etc.

	Service
	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	MA Yanxuan
	XU Yaqian
	YU Xia
	ZHAO Fei
	LI Mengyao
	ZHANG Peng
	PENG Shuai

Cite this article:

MA Yanxuan,XU Yaqian,YU Xia, et al. Negative Poisson's Ratio Design and Static Load Characteristics of Foam Concrete[J]. Materials Reports, 2021, 35(24): 24068-24074.

URL:

http://www.mater-rep.com/EN/10.11896/cldb.20070078 OR http://www.mater-rep.com/EN/Y2021/V35/I24/24068

1 Chan N, Evans K E. Journal of Cellular Plastics, 1999, 35(2),130.
2 Evans K E, Nkansah M A, Hutchinson I J, et al. Nature,1991,353,124.
3 Alderson A, Rasburn J, Evans K E, et al. Membrane Technology, 2001, 2001(137),6.
4 Yang Z C, Deng Q T. Advances in Mechanics,2011,41(3),335(in Chinese).
杨智春, 邓庆田.力学进展, 2011, 41(3),335.
5 Choi J B, Lakes R S. Cellular Polymers, 1991, 10(3), 205.
6 Lakes R S. Journal of Mechanical Design, Transactions of the ASME, 1993, 11,5696.
7 Love A E H. A treatise on the mathematical theory of elasticity. Cambridge,UK Cambridge University Press, 1927.
8 Gunton D J, Saunders G A. Journal of Materials Science, 1972, 7,1061.
9 Li Y. Physica Status Solidi B, 1976, 38,171.
10 Lakes R. Science, 1987, 235(4792),1038.
11 Alderson A, Rasburn J, Evans K E. Physica Status Solidi, 2007, 244(3),817.
12 Scarpa F, Pastorino P, Garelli A, et al. Physica Status Solidi, 2010, 242(3),681.
13 马衍轩, 张颖锐, 雷欣, 等.中国专利,ZL201610971147.4, 2016.
14 马衍轩, 张颖锐, 雷欣, 等.中国专利,ZL201610971051.8, 2016.
15 马衍轩, 张颖锐, 杨蒙蒙, 等.中国专利,ZL201610971052.2, 2016.
16 马衍轩, 张颖锐, 姜能栋, 等.中国专利,ZL201610971102.7, 2016.
17 马衍轩, 徐亚茜, 李梦瑶, 等.中国专利,PCT/CN2020/080323, 2020.
18 Zhou H Y, Jia K C, Wang X J, et al. Acta Materiae Compositae Sinica, 2020, 37(8),2005(in Chinese).
周宏元, 贾昆程, 王小娟, 等. 复合材料学报, 2020, 37(8),2005.
19 Liu H F, Xue L L, Jiang Y H, et al. China Concrete and Cement Pro-ducts.2019, 275(3),64(in Chinese).
刘红飞, 薛力梨, 蒋元海, 等. 混凝土与水泥制品,2019,275(3),64.
20 Li M, Huang Y S, Zhang S B, et al. Materials Review, 2016, 30(S1),402(in Chinese).
李猛, 黄寅生, 张少波, 等. 材料导报, 2016, 30(S1), 402.
21 Zhang X, Wang W X, Yang D Y, et al. China Concrete and Cement Products, 2018(7),63(in Chinese).
张旭, 王武祥, 杨鼎宜, 等.混凝土与水泥制品, 2018(7),63.
22 Chen H. Study of visual deformation measurement technologies based on digital speckle correlation method. Ph.D. Thesis, Harbin Institute of Technology, China, 2008(in Chinese).
陈华. 基于数字散斑相关方法的视觉变形测量技术研究.博士学位论文. 哈尔滨工业大学, 2008.
23 Fu G L,He X Y. Engineering & Test, 2010, 50(1),21(in Chinese).
付广龙, 何小元.工程与试验, 2010, 50(1),21.
24 Meng H Y, Zheng Y D, Xi T F, et al. Journal of Composite Materials, 2011, 28(1),50(in Chinese).
孟昊业, 郑裕东, 奚廷斐, 等.复合材料学报, 2011, 28(1),50.
25 Li F R, Yu Z P, Sun H C, et al. Materials Reports B: Research Papers, 2019, 33(6),1995(in Chinese).
李富荣,余振鹏,孙厚超,等.材料导报:研究篇,2019,33(6),1995.
26 Li X G, Liu M, Ma B G, et al. Materials Reports A: Review Papers, 2012, 26(4),141(in Chinese).
李相国, 刘敏, 马保国, 等.材料导报:综述篇, 2012, 26(4),141.
27 Duan Q Y, Gong W R, Guo B Q, et al. Tsinghua Univ (Sci & Tech-nol), 2019, 6(59),425(in Chinese).
段淇元,宫文然,郭保桥,等. 清华大学学报(自然科学版), 2019, 6(59),425.
28 Pan B, Wu D F, Guo B Q. Journal of Experimental Mechanics, 2011, 26(6),665(in Chinese).
潘兵, 吴大方, 郭保桥.实验力学, 2011, 26(6),665.
29 Xing T, Zhu H, Wang L, et al. Measurement, 2020, 156,107605.