{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,15]],"date-time":"2026-03-15T06:05:43Z","timestamp":1773554743240,"version":"3.50.1"},"reference-count":15,"publisher":"World Scientific Pub Co Pte Ltd","issue":"06","funder":[{"DOI":"10.13039\/501100001809","name":"the National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["2015CB057703"],"award-info":[{"award-number":["2015CB057703"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"name":"the Liaoning Provincial Department of Education Project","award":["2017017"],"award-info":[{"award-number":["2017017"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Patt. Recogn. Artif. Intell."],"published-print":{"date-parts":[[2020,6,15]]},"abstract":"<jats:p>In this paper, the effect of water-cement ratio and chloride ions on the concrete meso-structure was studied. Three kinds of concrete cubes with different water-cement ratios were immersed in fresh water and salt water, respectively. Then, the Electrochemical Impedance Spectroscopy (EIS) analysis of various test cubes were carried out by using electrochemical workstation. The results show that the salt water can improve electric double layer capacitance in the test cubes with the same water-cement ratio, but it can reduce some other parameters such as resistance of pore solution, resistance to transfer the hydrated electron, coefficient of diffusion impedance of concreter, which shows that the chloride ions diffused into the concrete in salt water and increase the ionic concentration in pore solution and C-S-H gel. However, the phase angle index is constant whether in fresh water or salt water, which shows chloride ions cannot affect the concrete meso-structure even though they can improve the ion concentration of pore structure. For the concrete test cubes which has different water-cement ratio in salt water, with the reduction of water-cement ratio, the electric double-layer capacitance of concrete remains unchanged, which indicates when the water-cement ratio becomes smaller, the porosity becomes lower, and the internal structure of concrete becomes denser.<\/jats:p>","DOI":"10.1142\/s021800142059017x","type":"journal-article","created":{"date-parts":[[2019,7,17]],"date-time":"2019-07-17T08:20:35Z","timestamp":1563351635000},"page":"2059017","source":"Crossref","is-referenced-by-count":5,"title":["Study on the Concrete in Chloride Environment Based on Electrochemical Impedance Spectroscopy"],"prefix":"10.1142","volume":"34","author":[{"given":"Fengjiao","family":"Jiang","sequence":"first","affiliation":[{"name":"Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian, P. R. China"},{"name":"College of Information Engineering, Dalian Ocean University, Dalian, P. R. China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8227-2928","authenticated-orcid":false,"given":"Jinxin","family":"Gong","sequence":"additional","affiliation":[{"name":"Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian, P. R. China"}]},{"given":"Jichao","family":"Zhu","sequence":"additional","affiliation":[{"name":"Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian, P. R. China"},{"name":"School of Civil Safety Engineering, Dalian Jiaotong University, Dalian, P. R. China"}]},{"given":"Huan","family":"Wang","sequence":"additional","affiliation":[{"name":"Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian, P. R. China"}]}],"member":"219","published-online":{"date-parts":[[2019,9,23]]},"reference":[{"issue":"3","key":"S021800142059017XBIB001","doi-asserted-by":"crossref","first-page":"268","DOI":"10.3724\/SP.J.1249.2019.03268","volume":"36","author":"Biqin D.","year":"2019","journal-title":"J. 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