Chemo-mechanical properties of synthesized tricalcium silicate

Shayan Gholami; Yong Rak Kim; Hani Alanazi

Chemo-mechanical properties of synthesized tricalcium silicate

Shayan Gholami, Yong Rak Kim, Hani Alanazi

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Tricalcium silicate based binder provides a simple matrix with only two hydration products: calcium silicate hydrate (C-S-H) and calcium hydroxide (CH). This feature is attractive to researchers who like to more accurately assess the Portland cement-based binders' phases separately. However, different purity than ordinary Portland cement clinkers could alter the properties of hydrated gels. This paper compared the nanomechanical and chemical properties of synthesized tricalcium silicate (C3S) paste with ordinary Portland cement (OPC) paste using nanoindentation and energy dispersive X-ray spectroscopy (EDS) method. The deconvolution statistical methodwas used to further analyze the nanoindentation test results and compare with theEDSchemical mapping. Results indicated that C3S paste has a stiffer and more homogeneous (as the C3S paste consists only high-density C-S-H and CH) micromechanical properties than OPC although the calcium to silica ratio of C3S paste is in the range of OPC binders. In addition, the C3S paste seems to have lower porosity than OPC paste due to the lack of observation of the low elastic moduli.

Original language	English (US)
Title of host publication	Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020
Editors	A. Kumar, A.T. Papagiannakis, A. Bhasin, D. Little
Publisher	CRC Press/Balkema
Pages	44-47
Number of pages	4
ISBN (Electronic)	9780367461690
State	Published - 2020
Externally published	Yes
Event	2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020 - San Antonio, United States Duration: May 27 2020 → May 29 2020

Publication series

Name	Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020

Conference

Conference	2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020
Country/Territory	United States
City	San Antonio
Period	5/27/20 → 5/29/20

ASJC Scopus subject areas

Civil and Structural Engineering
Mechanics of Materials
General Materials Science

Cite this

Gholami, S., Kim, Y. R., & Alanazi, H. (2020). Chemo-mechanical properties of synthesized tricalcium silicate. In A. Kumar, A. T. Papagiannakis, A. Bhasin, & D. Little (Eds.), Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020 (pp. 44-47). (Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020). CRC Press/Balkema.

Chemo-mechanical properties of synthesized tricalcium silicate. / Gholami, Shayan; Kim, Yong Rak; Alanazi, Hani.
Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020. ed. / A. Kumar; A.T. Papagiannakis; A. Bhasin; D. Little. CRC Press/Balkema, 2020. p. 44-47 (Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Gholami, S, Kim, YR & Alanazi, H 2020, Chemo-mechanical properties of synthesized tricalcium silicate. in A Kumar, AT Papagiannakis, A Bhasin & D Little (eds), Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020. Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020, CRC Press/Balkema, pp. 44-47, 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020, San Antonio, United States, 5/27/20.

Gholami S, Kim YR, Alanazi H. Chemo-mechanical properties of synthesized tricalcium silicate. In Kumar A, Papagiannakis AT, Bhasin A, Little D, editors, Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020. CRC Press/Balkema. 2020. p. 44-47. (Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020).

Gholami, Shayan ; Kim, Yong Rak ; Alanazi, Hani. / Chemo-mechanical properties of synthesized tricalcium silicate. Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020. editor / A. Kumar ; A.T. Papagiannakis ; A. Bhasin ; D. Little. CRC Press/Balkema, 2020. pp. 44-47 (Advances in Materials and Pavement Performance Prediction II - Contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction, AM3P 2020).

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AB - Tricalcium silicate based binder provides a simple matrix with only two hydration products: calcium silicate hydrate (C-S-H) and calcium hydroxide (CH). This feature is attractive to researchers who like to more accurately assess the Portland cement-based binders' phases separately. However, different purity than ordinary Portland cement clinkers could alter the properties of hydrated gels. This paper compared the nanomechanical and chemical properties of synthesized tricalcium silicate (C3S) paste with ordinary Portland cement (OPC) paste using nanoindentation and energy dispersive X-ray spectroscopy (EDS) method. The deconvolution statistical methodwas used to further analyze the nanoindentation test results and compare with theEDSchemical mapping. Results indicated that C3S paste has a stiffer and more homogeneous (as the C3S paste consists only high-density C-S-H and CH) micromechanical properties than OPC although the calcium to silica ratio of C3S paste is in the range of OPC binders. In addition, the C3S paste seems to have lower porosity than OPC paste due to the lack of observation of the low elastic moduli.

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Chemo-mechanical properties of synthesized tricalcium silicate

Abstract

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ASJC Scopus subject areas

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