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Effect of steel slag as alkaline exciter on the properties of supersulfated cement.

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Title: Effect of steel slag as alkaline exciter on the properties of supersulfated cement.
Authors: Xu, Fu1 (AUTHOR), Meng, Haoyu1 (AUTHOR), Liu, Wenxi1 (AUTHOR), Tang, Xiang1 (AUTHOR), Ma, Wenbo1,2 (AUTHOR) mawenbo@xtu.edu.cn
Source: Materials Letters. Aug2024, Vol. 369, pN.PAG-N.PAG. 1p.
Subjects: Cement, Steel, Ettringite, Compressive strength, Slag, Slag cement
Abstract: • Steel slag inspired Supersulfate cement hydrated 28-day compressive strength exceeding 50 MPa. • Excessive steel slag causes the hydration of Supersulfate cements to produce expansive Ettringite. • The optimum dosage of steel slag as alkaline exciter is 10%. In order to investigate the feasibility of steel slag as an alkaline exciter for supersulfated cement, the effects of different steel slag dosages on the properties of supersulfated cement were studied. The results show that when steel slag is used as alkaline exciter, the compressive strength and softening coefficient of supersulfate cement increase and then decrease with the increase of steel slag dosage, and the increase of steel slag dosage accelerates the hydration of slag, forming more hydration products of Ettringite and C-S-H gel. Steel slag dosage in 10% of the best results, excessive steel slag will generate expansion of Ettringite, resulting in expansion of the cement matrix structure cracking, is not conducive to the development of strength. [ABSTRACT FROM AUTHOR]
Copyright of Materials Letters is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 177908161
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  Data: Effect of steel slag as alkaline exciter on the properties of supersulfated cement.
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  Data: <searchLink fieldCode="AR" term="%22Xu%2C+Fu%22">Xu, Fu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Meng%2C+Haoyu%22">Meng, Haoyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Wenxi%22">Liu, Wenxi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tang%2C+Xiang%22">Tang, Xiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Wenbo%22">Ma, Wenbo</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> mawenbo@xtu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Materials+Letters%22">Materials Letters</searchLink>. Aug2024, Vol. 369, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Cement%22">Cement</searchLink><br /><searchLink fieldCode="DE" term="%22Steel%22">Steel</searchLink><br /><searchLink fieldCode="DE" term="%22Ettringite%22">Ettringite</searchLink><br /><searchLink fieldCode="DE" term="%22Compressive+strength%22">Compressive strength</searchLink><br /><searchLink fieldCode="DE" term="%22Slag%22">Slag</searchLink><br /><searchLink fieldCode="DE" term="%22Slag+cement%22">Slag cement</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • Steel slag inspired Supersulfate cement hydrated 28-day compressive strength exceeding 50 MPa. • Excessive steel slag causes the hydration of Supersulfate cements to produce expansive Ettringite. • The optimum dosage of steel slag as alkaline exciter is 10%. In order to investigate the feasibility of steel slag as an alkaline exciter for supersulfated cement, the effects of different steel slag dosages on the properties of supersulfated cement were studied. The results show that when steel slag is used as alkaline exciter, the compressive strength and softening coefficient of supersulfate cement increase and then decrease with the increase of steel slag dosage, and the increase of steel slag dosage accelerates the hydration of slag, forming more hydration products of Ettringite and C-S-H gel. Steel slag dosage in 10% of the best results, excessive steel slag will generate expansion of Ettringite, resulting in expansion of the cement matrix structure cracking, is not conducive to the development of strength. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials Letters is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.matlet.2024.136631
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Cement
        Type: general
      – SubjectFull: Steel
        Type: general
      – SubjectFull: Ettringite
        Type: general
      – SubjectFull: Compressive strength
        Type: general
      – SubjectFull: Slag
        Type: general
      – SubjectFull: Slag cement
        Type: general
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      – TitleFull: Effect of steel slag as alkaline exciter on the properties of supersulfated cement.
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            NameFull: Xu, Fu
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            NameFull: Meng, Haoyu
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            NameFull: Liu, Wenxi
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            NameFull: Tang, Xiang
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            NameFull: Ma, Wenbo
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            – D: 15
              M: 08
              Text: Aug2024
              Type: published
              Y: 2024
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              Value: 369
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