石粉替代率对聚合物机制砂粘结砂浆性能及微细观结构的影响

doi:10.11896/cldb.22050194

Abstract
Figure/Table
References
Related Citation (15)

Download:

Full Text ( PDF ) (27505KB)
Export: BibTeX | EndNote (RIS)

Abstract In order to study the feasibility of the application of tuff stone powder in polymer-bonded mortar, the influence of stone powder substitution rate on the working performance and mechanical properties of polymer-bonded mortar was analyzed. The mercury intrusion porosimetry (MIP), scanning electron microscopy (SEM) and fourier transform infrared spectroscopy (FTIR) were used to study the internal pore structure of mortar and the microstructure of hydration products. The results show that: tuff stone powder has good applicability in polymer-bonded mortar; the strength of mortar increases first and then decreases with the increase of stone powder substitution rate, and the flexural strength, compressive strength and bond strength reach the maximum at 7 d and 28 d when the stone powder substitution rate is 15%, and the working performance is also better at this time; when the substitution rate is not more than 15%, its effect on the microstructure of mortar is mainly filling effect and nuc-leation effect, which can effectively improve the internal compactness of mortar, and is conducive to the development of internal pore structure to less harmful pores and harmless pores; when the substitution rate is 15%, the characteristic vibration peak intensity of H₂O, OH^-, CO₃^2-, etc. is the highest, i.e. the internal hydration is the most adequate at this time; when the substitution rate of stone powder exceeds 15%, stone powder has adverse effects on the working performance, mechanical properties and microstructure of bonded mortar.

Key words： polymer-bonded mortar tuff stone powder mechanical property hole structure microscopic appearance

Published: 25 March 2024 Online: 2024-04-07

CLC number:

TU521.2+5

Fund:National Natural Science Foundation of China (52008196,U21A20150,52178216).

Corresponding Authors: ^*qhxlut7706@163.com;fengqiong.1985@163.com

	Service
	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	TIAN Haozheng
	QIAO Hongxia
	FENG Qiong
	HAN Wenwen

Cite this article:

TIAN Haozheng,QIAO Hongxia,FENG Qiong, et al. Effect of Stone Powder Substitution Rate on the Performance and Microstructure of Mechanism Sand Polymer-bonded Mortar[J]. Materials Reports, 2024, 38(6): 22050194-7.

URL:

https://www.mater-rep.com/EN/10.11896/cldb.22050194 OR https://www.mater-rep.com/EN/Y2024/V38/I6/22050194

1 Wang P M, Zhang G F. In: Proceedings of the 2010 4th (China) International Symposium on Production and Application Technology of Dry-Mixed Mortar for Construction. Beijing, China, 2010, pp. 15 (in Chinese).
王培铭, 张国防. 2010第四届(中国)国际建筑干混砂浆生产应用技术研讨会. 北京, 2010, pp. 15.
2 Wang J J, Lang Y. Development Guide to Building Materials, 2018, 16(8), 3(in Chinese).
王洁军, 郎营. 建材发展导向, 2018, 16(8), 3.
3 Li X G. Journal of Building Materials, 2004(1), 66(in Chinese).
李兴贵. 建筑材料学报, 2004(1), 66.
4 Li H J, Huang F L, Chen G Z, et al. Construction and Building Materials, 2016, 109, 41.
5 Shen W G, Liu Y, Wang Z W, et al. Construction and Building Mate-rials, 2018, 172, 574.
6 Liu T. Experimental study on the effect of characteristics of mechanism sand on the performance of cement-based materials. Master's Thesis, Lanzhou Jiaotong University, China, 2021(in Chinese).
刘通. 机制砂特性对水泥基材料性能影响的试验研究. 硕士学位论文, 兰州交通大学, 2021.
7 Yu B T, Liu T, Wang H, et al. Materials Reports, 2021, 35(14), 14058(in Chinese).
于本田, 刘通, 王焕, 等. 材料导报, 2021, 35(14), 14058.
8 Wang D H, Shi C J, Farzadnia N, et al. Construction and Building Materials, 2018, 181, 659.
9 Cortes D D, Kim H K, Palomino A M, et al. Cement and Concrete Research, 2008, 38, 1142.
10 Chen J L, Zhou W J, Niu W, et al. Construction Technology, 2012, 43(7), 591(in Chinese).
陈家珑, 周文娟, 牛威, 等. 建筑技术, 2012, 43(7), 591.
11 Cai J W, Li B X, Zhou M K, et al. Journal of Wuhan University of Technology, 2006(4), 27(in Chinese).
蔡基伟, 李北星, 周明凯, 等. 武汉理工大学学报, 2006(4), 27.
12 Cai J W. Study on the effect of stone powder on the performance of machine-made sand concrete and its mechanism. Ph. D. Thesis, Wuhan University of Technology, China, 2006(in Chinese).
蔡基伟. 石粉对机制砂混凝土性能的影响及机理研究. 博士学位论文, 武汉理工大学, 2006.
13 Cortes D D, Kim H K, Palomino A M, et al. Cement and Concrete Research, 2008, 38(10), 1142.
14 Qiao H X, Liang J K, Li Y K, et al. Bulletin of the Chinese Ceramic Society, 2019, 38(2), 431(in Chinese).
乔宏霞, 梁金科, 李元可, 等. 硅酸盐通报, 2019, 38(2), 431.
15 Christetuscn B J, Mason T O, Jennings H M. Cement and Concrete Research, 1996, 26(9), 1325.
16 Yu B T, Liu T, Wang H, et al. Journal of Jilin University (Engineering and Technology Edition), 2022, 52(5), 1052(in Chinese).
于本田, 刘通, 王焕, 等. 吉林大学学报(工学版), 2022, 52(5), 1052.
17 Wu Z W, Lian H Z. High performance concrete, China Railway Publis-hing House, China, 1999, pp. 42(in Chinese).
吴中伟, 廉惠珍. 高性能混凝土, 中国铁道出版社, 1999, pp. 42.
18 Zhang L H, Liu L B, Zhou Y S, et al. China Concrete and Cement Pro-duct, 2011(12), 22(in Chinese).
张礼华, 刘来宝, 周永生, 等. 混凝土与水泥制品, 2011(12), 22.
19 Wu Q, Zhu Y J, Xu Y, et al. Journal of Jiangsu University of Science and Technology (Natural Science Edition), 2020, 34(3), 112(in Chinese).
吴庆, 朱袁洁, 许耀, 等. 江苏科技大学学报(自然科学版), 2020, 34(3), 112.
20 Zhang L Q, Chen Q, Huang X, et al. Bulletin of the Chinese Ceramic Society, 2020, 39(7), 2154(in Chinese).
张凌强, 陈倩, 黄兴, 等. 硅酸盐通报, 2020, 39(7), 2154.
21 Su L. Study on the performance of cellulose ether modified cement paste. Master's Thesis, Wuhan University of Technology, China, 2011(in Chinese).
苏雷. 纤维素醚改性水泥浆体性能研究. 硕士学位论文, 武汉理工大学, 2011.