Effect of SO3 on modification of C3S and property in high magnesium content clinker

Xiaodong Li; Yusheng Shen; Xuerun Li; Yan Zhou; Xiaodong Shen

doi:10.7521/j.issn.0454-5648.2013.10.10

Effect of SO₃ on modification of C₃S and property in high magnesium content clinker

Xiaodong Li, Yusheng Shen, Xuerun Li, Yan Zhou, Xiaodong Shen

College of Materials Science and Engineering

Nanjing Tech University

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Modification of C₃S and impact properties of cement clinker by addition of SO₃ into high MgO content were investigated. Modification of C₃S in clinker was characterized with XRD. Paste compressive strength and combined water were measured. Results showed: 1% and 2% addition of SO₃ had no negative impact on the formation of C₃S with the evidence of low f-CaO content in clinker; addition of SO₃ could improve the later strength of clinker. The paste compressive strength in 3 and 28 d were separately improved by 8% and 5% with 2% addition of SO₃. The degree of hydration was enhanced by increasing the SO₃ addition with high ettringite content hydration products.

Original language	English
Pages (from-to)	1381-1386
Number of pages	6
Journal	Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society
Volume	41
Issue number	10
DOIs	https://doi.org/10.7521/j.issn.0454-5648.2013.10.10
State	Published - Oct 2013

Keywords

Alite
Doping
Modification of tricalcium silicate
Sulfuric anhydride

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abstract = "Modification of C3S and impact properties of cement clinker by addition of SO3 into high MgO content were investigated. Modification of C3S in clinker was characterized with XRD. Paste compressive strength and combined water were measured. Results showed: 1% and 2% addition of SO3 had no negative impact on the formation of C3S with the evidence of low f-CaO content in clinker; addition of SO3 could improve the later strength of clinker. The paste compressive strength in 3 and 28 d were separately improved by 8% and 5% with 2% addition of SO3. The degree of hydration was enhanced by increasing the SO3 addition with high ettringite content hydration products.",

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AB - Modification of C3S and impact properties of cement clinker by addition of SO3 into high MgO content were investigated. Modification of C3S in clinker was characterized with XRD. Paste compressive strength and combined water were measured. Results showed: 1% and 2% addition of SO3 had no negative impact on the formation of C3S with the evidence of low f-CaO content in clinker; addition of SO3 could improve the later strength of clinker. The paste compressive strength in 3 and 28 d were separately improved by 8% and 5% with 2% addition of SO3. The degree of hydration was enhanced by increasing the SO3 addition with high ettringite content hydration products.

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Effect of SO₃ on modification of C₃S and property in high magnesium content clinker

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Keywords

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