Novel understanding of calcium silicate hydrate from dilute hydration

Handle URI:
http://hdl.handle.net/10754/623874
Title:
Novel understanding of calcium silicate hydrate from dilute hydration
Authors:
Zhang, Lina; Yamauchi, Kazuo; Li, Zongjin; Zhang, Xixiang ( 0000-0002-3478-6414 ) ; Ma, Hongyan; Ge, Shenguang
Abstract:
The perspective of calcium silicate hydrate (C-S-H) is still confronting various debates due to its intrinsic complicated structure and properties after decades of studies. In this study, hydration at dilute suspension of w/s equaling to 10 was conducted for tricalcium silicate (C3S) to interpret long-term hydration process and investigate the formation, structure and properties of C-S-H. Based on results from XRD, IR, SEM, NMR and so forth, loose and dense clusters of C-S-H with analogous C/S ratio were obtained along with the corresponding chemical formulae proposed as Ca5Si4O13∙6.2H2O. Crystalline structure inside C-S-H was observed by TEM, which was allocated at the foil-like proportion as well as the edge of wrinkles of the product. The long-term hydration process of C3S in dilute suspension could be sketchily described as migration of calcium hydroxide and in-situ growth of C-S-H with equilibrium silicon in aqueous solution relatively constant and calcium varied.
KAUST Department:
Imaging and Characterization Core Lab; Physical Sciences and Engineering (PSE) Division
Citation:
Zhang L, Yamauchi K, Li Z, Zhang X, Ma H, et al. (2017) Novel understanding of calcium silicate hydrate from dilute hydration. Cement and Concrete Research 99: 95–105. Available: http://dx.doi.org/10.1016/j.cemconres.2017.04.016.
Publisher:
Elsevier BV
Journal:
Cement and Concrete Research
Issue Date:
13-May-2017
DOI:
10.1016/j.cemconres.2017.04.016
Type:
Article
ISSN:
0008-8846
Sponsors:
This work was financially supported by the National High Technology Research and Development Program of China (2015AA034701), the National Natural Science Foundation of China (NSFC51502112) and the Natural Science Foundation of Shandong Province, China (ZR2014EMP010). The NMR Core Lab in KAUST provided sufficient technical support on NMR experiments and analysis in this research and was highly appreciated.
Additional Links:
http://www.sciencedirect.com/science/article/pii/S0008884617304477
Appears in Collections:
Articles; Advanced Nanofabrication, Imaging and Characterization Core Lab; Physical Sciences and Engineering (PSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorZhang, Linaen
dc.contributor.authorYamauchi, Kazuoen
dc.contributor.authorLi, Zongjinen
dc.contributor.authorZhang, Xixiangen
dc.contributor.authorMa, Hongyanen
dc.contributor.authorGe, Shenguangen
dc.date.accessioned2017-05-31T11:23:11Z-
dc.date.available2017-05-31T11:23:11Z-
dc.date.issued2017-05-13en
dc.identifier.citationZhang L, Yamauchi K, Li Z, Zhang X, Ma H, et al. (2017) Novel understanding of calcium silicate hydrate from dilute hydration. Cement and Concrete Research 99: 95–105. Available: http://dx.doi.org/10.1016/j.cemconres.2017.04.016.en
dc.identifier.issn0008-8846en
dc.identifier.doi10.1016/j.cemconres.2017.04.016en
dc.identifier.urihttp://hdl.handle.net/10754/623874-
dc.description.abstractThe perspective of calcium silicate hydrate (C-S-H) is still confronting various debates due to its intrinsic complicated structure and properties after decades of studies. In this study, hydration at dilute suspension of w/s equaling to 10 was conducted for tricalcium silicate (C3S) to interpret long-term hydration process and investigate the formation, structure and properties of C-S-H. Based on results from XRD, IR, SEM, NMR and so forth, loose and dense clusters of C-S-H with analogous C/S ratio were obtained along with the corresponding chemical formulae proposed as Ca5Si4O13∙6.2H2O. Crystalline structure inside C-S-H was observed by TEM, which was allocated at the foil-like proportion as well as the edge of wrinkles of the product. The long-term hydration process of C3S in dilute suspension could be sketchily described as migration of calcium hydroxide and in-situ growth of C-S-H with equilibrium silicon in aqueous solution relatively constant and calcium varied.en
dc.description.sponsorshipThis work was financially supported by the National High Technology Research and Development Program of China (2015AA034701), the National Natural Science Foundation of China (NSFC51502112) and the Natural Science Foundation of Shandong Province, China (ZR2014EMP010). The NMR Core Lab in KAUST provided sufficient technical support on NMR experiments and analysis in this research and was highly appreciated.en
dc.publisherElsevier BVen
dc.relation.urlhttp://www.sciencedirect.com/science/article/pii/S0008884617304477en
dc.subjectC-S-Hen
dc.subjectC3S hydrationen
dc.subjectStructureen
dc.subjectCompositionen
dc.subjectCrystallinityen
dc.titleNovel understanding of calcium silicate hydrate from dilute hydrationen
dc.typeArticleen
dc.contributor.departmentImaging and Characterization Core Laben
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.identifier.journalCement and Concrete Researchen
dc.contributor.institutionUniversity of Jinan, No. 336 Nanxinzhuang West Road, Shandong 250022, Chinaen
dc.contributor.institutionUniversity of Macau, Taipa, Macau, Chinaen
dc.contributor.institutionMissouri University of Science and Technology, Rolla, MO 65401, United Statesen
kaust.authorYamauchi, Kazuoen
kaust.authorZhang, Xixiangen
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