Model of the influences of fiber diameter and content on flowability of basalt fiber reinforced phosphorus building gypsum composite slurry

Water film thickness (WFT) is a primary factor influencing the flowability of cement mortar and gypsum slurry. However, conventional WFT calculation models have overlooked the impact of fiber surface properties on flowability. This study addresses this issue by introducing a parameter called the res...

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Bibliographic Details
Published in:Scientific reports 2024-10, Vol.14 (1), p.23043-13, Article 23043
Main Authors: Wu, Lei, Tao, Zhong, Qin, Qiudong
Format: Article
Language:English
Subjects:
639/166
639/301
Basalt
Basalt fiber
Carbon
Cement
Composite materials
Design
Flowability model
Gypsum
Humanities and Social Sciences
Influence
Mechanical properties
multidisciplinary
Particle size
Phosphogypsum
Phosphorus
Phosphorus building gypsum
Prediction models
Residual moisture distribution coefficient
Science
Science (multidisciplinary)
Slurries
Surface properties
Water
Water film thickness
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Summary:Water film thickness (WFT) is a primary factor influencing the flowability of cement mortar and gypsum slurry. However, conventional WFT calculation models have overlooked the impact of fiber surface properties on flowability. This study addresses this issue by introducing a parameter called the residual moisture distribution coefficient into the residual moisture distribution coefficient (RMDC) and the WFT calculation model. Thirty-six groups of basalt fiber-Phosphogypsum composite slurry with varied mix proportions were designed and assessed for their flowability and packing density. The RMDC and WFT were derived from fitting with the improved model. Finally, a basalt fiber-Phosphogypsum composite slurry flowability prediction model based on WFT was established, laying a foundation for the design and further application of fiber-gypsum composite flowability.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-024-74322-7