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Study on the erosion mechanism of calcium-based sand erosion-resistant materials in an ion-stress coupled environment.

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Title: Study on the erosion mechanism of calcium-based sand erosion-resistant materials in an ion-stress coupled environment.
Authors: Wang, Tianshu1 (AUTHOR), Li, Peng1 (AUTHOR) lp@ouc.edu.cn, Yang, Feiyu1 (AUTHOR), Yi, Kai1 (AUTHOR)
Source: Marine Georesources & Geotechnology. Apr2026, Vol. 44 Issue 4, p799-813. 15p.
Subjects: Material erosion, Building material durability, Compressive strength, Seawater corrosion, Magnesium ions, Environmental engineering, Chloride ions
Abstract: This study investigates the weakening laws and erosion mechanisms of Cl−, S O 4 2 − , and Mg2+ ions on grouted solids via seawater erosion tests. Single-ion solutions simulate the marine environment under varying erosion durations and confining pressures. Through compressive strength tests, triaxial experiments, and SEM/EDS analyses, material performance evolution is evaluated. Results show Cl− increases compressive strength from 6.84 MPa to 11.24 MPa at 30 days, but causes a 21.5% decline at 120 days. S O 4 2 − - reduces the 120-day compressive strength resistance coefficient to 0.369, indicating a 63.1% degradation. Mg2+ generates Mg(OH)2 and M-S-H gel, increasing surface hardness with minimal strength change. Microscopic observations reveal ions degrade structures via chemical erosion and physical crystallization synergism, with S O 4 2 − dominating long-term deterioration. These findings support durability design and protection strategies for marine grouting materials. [ABSTRACT FROM AUTHOR]
Copyright of Marine Georesources & Geotechnology is the property of Taylor & Francis Ltd 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
FullText Text:
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Header DbId: egs
DbLabel: Engineering Source
An: 192434530
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Study on the erosion mechanism of calcium-based sand erosion-resistant materials in an ion-stress coupled environment.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Tianshu%22">Wang, Tianshu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Peng%22">Li, Peng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lp@ouc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yang%2C+Feiyu%22">Yang, Feiyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yi%2C+Kai%22">Yi, Kai</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Marine+Georesources+%26+Geotechnology%22">Marine Georesources & Geotechnology</searchLink>. Apr2026, Vol. 44 Issue 4, p799-813. 15p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Material+erosion%22">Material erosion</searchLink><br /><searchLink fieldCode="DE" term="%22Building+material+durability%22">Building material durability</searchLink><br /><searchLink fieldCode="DE" term="%22Compressive+strength%22">Compressive strength</searchLink><br /><searchLink fieldCode="DE" term="%22Seawater+corrosion%22">Seawater corrosion</searchLink><br /><searchLink fieldCode="DE" term="%22Magnesium+ions%22">Magnesium ions</searchLink><br /><searchLink fieldCode="DE" term="%22Environmental+engineering%22">Environmental engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Chloride+ions%22">Chloride ions</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study investigates the weakening laws and erosion mechanisms of Cl−, S O 4 2 − , and Mg2+ ions on grouted solids via seawater erosion tests. Single-ion solutions simulate the marine environment under varying erosion durations and confining pressures. Through compressive strength tests, triaxial experiments, and SEM/EDS analyses, material performance evolution is evaluated. Results show Cl− increases compressive strength from 6.84 MPa to 11.24 MPa at 30 days, but causes a 21.5% decline at 120 days. S O 4 2 − - reduces the 120-day compressive strength resistance coefficient to 0.369, indicating a 63.1% degradation. Mg2+ generates Mg(OH)2 and M-S-H gel, increasing surface hardness with minimal strength change. Microscopic observations reveal ions degrade structures via chemical erosion and physical crystallization synergism, with S O 4 2 − dominating long-term deterioration. These findings support durability design and protection strategies for marine grouting materials. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Marine Georesources & Geotechnology is the property of Taylor & Francis Ltd 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: 10.1080/1064119X.2025.2533987
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 15
        StartPage: 799
    Subjects:
      – SubjectFull: Material erosion
        Type: general
      – SubjectFull: Building material durability
        Type: general
      – SubjectFull: Compressive strength
        Type: general
      – SubjectFull: Seawater corrosion
        Type: general
      – SubjectFull: Magnesium ions
        Type: general
      – SubjectFull: Environmental engineering
        Type: general
      – SubjectFull: Chloride ions
        Type: general
    Titles:
      – TitleFull: Study on the erosion mechanism of calcium-based sand erosion-resistant materials in an ion-stress coupled environment.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Wang, Tianshu
      – PersonEntity:
          Name:
            NameFull: Li, Peng
      – PersonEntity:
          Name:
            NameFull: Yang, Feiyu
      – PersonEntity:
          Name:
            NameFull: Yi, Kai
    IsPartOfRelationships:
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          Dates:
            – D: 01
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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            – Type: issn-print
              Value: 1064119X
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              Value: 44
            – Type: issue
              Value: 4
          Titles:
            – TitleFull: Marine Georesources & Geotechnology
              Type: main
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