Mechanical Properties and Microstructure of Geopolymer-Based PFSS Synthesized from Excavated Loess Article Swipe
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.3390/ma18010030
Pre-mixed fluidized solidified soil (PFSS) has the advantages of pumpability, convenient construction, and a short setting time. This paper took the excavated loess in Fuzhou as the research object and used cement–fly–ash–ground granulated blast furnace slag–carbide slag as a composite geopolymer system (CFGC) to synthesize PFSS. This study investigated the fluidity and mechanical strength of PFSS under different water–solid ratios and curing agent dosages; finally, the microstructure of the composite geopolymer system–pre-mixed fluidized solidified soil (CFGC-PFSS) was characterized. The results showed that when the water–solid ratio of PFSS increased from 0.46 to 0.54, the fluidity increased by 77 mm, and the flexural strength and compressive strength at 28 d decreased to 450.8 kPa and 1236.5 kPa. When the curing agent dosage increased from 15% to 25%, the fluidity increased by 18.0 mm, and the flexural strength and compressive strength at 28 d increased by 1.7 times and 1.6 times. A large number of needle-like AFt, C-S-H gel, and C-(A)-S-H gel coagulate with soil particles to form a three-dimensional reticular structure, which is the mechanism of the strength formation of PFSS under the action of CFGC.
Related Topics
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/ma18010030
- https://www.mdpi.com/1996-1944/18/1/30/pdf?version=1735122687
- OA Status
- gold
- Cited By
- 3
- References
- 37
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4405782035
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4405782035Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/ma18010030Digital Object Identifier
- Title
-
Mechanical Properties and Microstructure of Geopolymer-Based PFSS Synthesized from Excavated LoessWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2024Year of publication
- Publication date
-
2024-12-25Full publication date if available
- Authors
-
Shujie Chen, Hengchun Zhang, Yang Zhi, Chao Feng, Yao Wang, Demei Yu, Tengfei Fu, Feng Zhang, Xia HuangList of authors in order
- Landing page
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https://doi.org/10.3390/ma18010030Publisher landing page
- PDF URL
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https://www.mdpi.com/1996-1944/18/1/30/pdf?version=1735122687Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
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https://www.mdpi.com/1996-1944/18/1/30/pdf?version=1735122687Direct OA link when available
- Concepts
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Compressive strength, Materials science, Geopolymer, Microstructure, Ground granulated blast-furnace slag, Curing (chemistry), Flexural strength, Fly ash, Composite material, Composite numberTop concepts (fields/topics) attached by OpenAlex
- Cited by
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3Total citation count in OpenAlex
- Citations by year (recent)
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2025: 3Per-year citation counts (last 5 years)
- References (count)
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37Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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