盐冻损伤喷射混凝土衬砌结构氯离子扩散及其模型

doi:10.11896/cldb.19060102

Abstract
Figure/Table
References
Related Citation (2)

Download:

Full Text ( PDF ) (5619KB)
Export: BibTeX | EndNote (RIS)

Abstract Chloride diffusion of shotcrete lining structure about highway tunnel in marine environment after salt-frost degradation (3.5wt% NaCl solution) were studied by using solid-liquid extraction and potential method. Meanwhile, the influence factors of chloride ion diffusion on salt-frost degradation, mixture parameter and formed method were analyzed. Then, the chloride ion diffusion model was established based on Fick second law. Salt-frost degradation accelerated chloride ion diffused into shotcrete. Shotcrete with small water-binder ratio and low fly ash replacement had lower chloride content and diffusion coefficient. Steel fiber had little effect on improving salt-frost resistance of shotcrete. Chloride content and ion diffusion coefficient of normal concrete were significantly higher than those of shotcrete. Finally, the chloride diffusion model of shotcrete was established, which considering the environmental temperature and capillary pores humidity, salt-frost damage degree and shotcrete mixture parameters.

Key words： tunnel engineering shotcrete lining salt-frost degradation chloride diffusion model relative dynamic elasticity modulus

Published: 24 July 2020

CLC number:

TU528.44

Fund:This work was financially supported by the National Natural Science Foundation of China (51908440).

About author:: Jiabin Wangreceived his Ph.D. degree in structure engineering from Xi’an University of Architecture and Technology (XAUAT) in 2017. He is currently a lecturer in Xi’an Technological University (XATU) and participates in the durability of shotcrete (sprayed concrete) and recycled aggregate concrete. In recent year, more than 20 papers have been published at home and abroad.

	Service
	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	WANG Jiabin
	WANG Bin
	ZHANG Kaifeng
	LI Heng

Cite this article:

WANG Jiabin,WANG Bin,ZHANG Kaifeng, et al. Chloride Diffusion and Its Model of Shotcrete Lining Structure with Salt-frost Degradation[J]. Materials Reports, 2020, 34(16): 16055-16061.

URL:

http://www.mater-rep.com/EN/10.11896/cldb.19060102 OR http://www.mater-rep.com/EN/Y2020/V34/I16/16055

1 Alum T. Sprayed concrete lined tunnel, Taylor & Francis, USA, 2014.
2 Tomas F, Garshol K F, Tomisawa N. Tunneling and Underground Space Technology, 2001,16,295.
3 Usman M, Galler R. International Journal of Rock Mechanics & Mining Sciences, 2013, 64(6),84.
4 Choi P, Yeon J H, Yun K K. Cement & Concrete Composites, 2016, 70,69.
5 Wang J, Niu D, Ding S, et al. Construction & Building Materials, 2015, 78,203.
6 Jin Z Q, Zhao T J, Zhang P, et al. Journal of the Chinese Ceramic Society, 2013, 41(2), 205(in Chinese).
金祖权, 赵铁军, 张鹏, 等. 硅酸盐学报, 2013, 41(2), 205.
7 Lei Y, Zheng Z P. Engineering Mechanics, 2016, 33(5), 1(in Chinese).
雷鹰, 郑翥鹏. 工程力学, 2016, 33(5), 1.
8 Tan B H. Study on chloride ion transport mechanism of concrete in submarine tunnel under the interaction of multi-salts and multi-fields. Master’s Thesis, East Chine University of Technology, China, 2018(in Chinese).
谭保华. 多盐多场耦合作用下海底隧道混凝土氯离子传输机制研究. 硕士学位论文,华南理工大学, 2018.
9 Jin Z Q, Zhao T J, Hou B R, et al. Journal of Civil, Architectural and Environmental Engineering, 2009, 31(6), 86(in Chinese).
金祖权, 赵铁军, 侯保荣, 等. 土木建筑与环境工程, 2009, 31(6), 86.
10 Wang C F, Niu D T. Industrial Construction, 2012, 42(1), 137(in Chinese).
王晨飞, 牛荻涛.工业建筑, 2012, 42(1),137.
11 Guo Y C, Chen Z H, Shen A Q, et al. Journal of Jiangsu University (Natural Science Edition), 2019, 40(1), 102(in Chinese).
郭寅川, 陈志晖, 申爱琴, 等. 江苏大学学报(自然科学版), 2019, 40(1), 102.
12 Aneta N. Procedia Engineering, 2013, 57, 823.
13 Vitoldas V, Evaldas Š, Danute V, et al. Construction & Building Mate-rials, 2016, 126, 26.
14 Gintautas S, Dzigita N, Giedrius G, et al. Procedia Engineering, 2013, 57, 1045.
15 Zhang J K, Yuan J, Liu W B, et al. Journal of Tongji University (Na-tural Science), 2018, 46(1),53(in Chinese).
张家科, 袁捷, 刘文博,等. 同济大学学报(自然科学版), 2018, 46(1), 53.
16 Yuan J, Wu Y, Zhang J. Construction & Building Materials, 2018, 168, 975.
17 Liu Z, Hansen W. Construction & Building Materials, 2016, 102,478.
18 Liu Z, Hansen W. Construction & Building Materials, 2015, 98,204.
19 Liu J L, Jia Y M, Wang J W, et al. Journal of Harbin Engineering University, 2018, 39(1), 41(in Chinese).
刘金亮, 贾艳敏, 王佳伟, 等. 哈尔滨工程大学学报, 2018, 39(10), 41.
20 Ferreira M, Kuosa H, Leivo M, et al. Nuclear Engineering and Design, 2017, 323, 228.
21 Oğuzhan Ç, Schlangen E. Cement & Concrete Research, 2008, 38(1), 27.
22 Wang J B, Niu D T. Bulletin of the Chinese Ceramic Society, 2018, 37(7),18(in Chinese).
王家滨, 牛荻涛. 硅酸盐通报, 2018, 37(7),18.
23 Page C, Short N, Tarras A. Cement & Concrete Research, 1981, 11(3),395.
24 Bažant Z, Najjar L. Materials and Structures, 1972, 5(1),3.
25 Thomas M, Bamforth P. Cement & Concrete Research, 1999, 29(4),487.
26 Mu R. Durability and service life prediction of concrete subjected to the combined action of freezing-thawing sustained external flexural stress and salt solution. Ph.D. Thesis, Southeast University, China,2000(in Chinese).
慕儒. 冻融循环与外部弯曲应力、盐溶液复合作用下混凝土的耐久性与寿命预测. 博士学位论文, 东南大学, 2000.