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Materiale Plastice
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https://doi.org/10.37358/Mat.Plast.1964

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ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2020, Volume 57, Issue 2, 78-86

https://doi.org/10.37358/MP.20.2.5353

Lina Xu, Lei Niu

Effect of Polypropylene Fiber on Frost Resistance of Cemented Soil


Abstract:
Polypropylene fiber is widely used as a reinforcing material in composite materials of various engineering projects, because it has high strength and corrosion resistance. In this study, with the purpose of examine the impact of discrete polypropylene fiber on frost resistance of cemented soil, cemented soil treated with polypropylene fiber is used as the research sample. Firstly, the impact of curing time, fiber content and length on the strength of cemented soil has been considered. And then, the frost resistance characteristics of cemented soil reinforced by polypropylene fiber with the content of 0.5% have been investigated. The results show that with the development of curing time, the strength of cemented soil increases logarithmically. By adding an appropriate amount of polypropylene fiber, the strength of the specimen may be improved. In this study, cemented soil reinforced by polypropylene fiber 0.1% in content and 3 mm in length has the best reinforcement effect. After 21 cycles of freezing and thawing processes, a sharp decline in strength of cemented soil without fiber, and the strength loss ratio is up to 45%. There are cracks in the specimens, and some of the specimens have broken off. Differently, after 21 freeze-thaw cycles, the strength of the cemented soil with fiber decreased less, and the strength loss ratios are between 1 and 13%, and there are only small cracks on the surface of specimens. The results show that adding discrete polypropylene fiber is a suitable method to prevent the generation and development of internal cracks in the cemented soil during freezing and thawing, thereby improving the frost resistance. These results can be used as a reference for the application of cemented soil reinforced with fiber in seasonal frozen regions.


Keywords:
Polypropylene Fiber; Cemented Soil; Unconfined Compressive Strength; Frost resistance

Issue: 2020 Volume 57, Issue 2
Pages: 78-86
Publication date: 2019/7/1
https://doi.org/10.37358/MP.20.2.5353
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
XU, L., NIU, L., Effect of Polypropylene Fiber on Frost Resistance of Cemented Soil, Mater. Plast., 57(2), 2020, 78-86.

Vancouver
Xu L, Niu L. Effect of Polypropylene Fiber on Frost Resistance of Cemented Soil. Mater. Plast.[internet]. 2020 Apr;57(2):78-86. Available from: https://doi.org/10.37358/MP.20.2.5353


APA 6th edition
Xu, L., Niu, L. (2020). Effect of Polypropylene Fiber on Frost Resistance of Cemented Soil. Materiale Plastice, 57(2), 78-86. https://doi.org/10.37358/MP.20.2.5353


Harvard
Xu, L., Niu, L. (2020). 'Effect of Polypropylene Fiber on Frost Resistance of Cemented Soil', Materiale Plastice, 57(2), pp. 78-86. https://doi.org/10.37358/MP.20.2.5353


IEEE
L. Xu, L. Niu, "Effect of Polypropylene Fiber on Frost Resistance of Cemented Soil". Materiale Plastice, vol. 57, no. 2, pp. 78-86, 2020. [online]. https://doi.org/10.37358/MP.20.2.5353


Text
Lina Xu, Lei Niu,
Effect of Polypropylene Fiber on Frost Resistance of Cemented Soil,
Materiale Plastice,
Volume 57, Issue 2,
2020,
Pages 78-86,
ISSN 2668-8220,
https://doi.org/10.37358/MP.20.2.5353.
(https://revmaterialeplastice.ro/Articlegs.asp?ID=5353)
Keywords: Polypropylene Fiber; Cemented Soil; Unconfined Compressive Strength; Frost resistance


RIS
TY - JOUR
T1 - Effect of Polypropylene Fiber on Frost Resistance of Cemented Soil
A1 - Xu, Lina
A2 - Niu, Lei
JF - Materiale Plastice
JO - Mater. Plast.
PB - Materiale Plastice SRL
SN - 2668-8220
Y1 - 2020
VL - 57
IS - 2
SP - 78
EP - 86
UR - https://doi.org/10.37358/MP.20.2.5353
KW - Polypropylene Fiber
KW - Cemented Soil
KW - Unconfined Compressive Strength
KW - Frost resistance
ER -


BibTex
@article{MatPlast2020P78,
author = {Xu Lina and Niu Lei},
title = {Effect of Polypropylene Fiber on Frost Resistance of Cemented Soil},
journal = {Materiale Plastice},
volume = {57},
number = {2},
pages = {78-86},
year = {2020},
issn = {2668-8220},
doi = {https://doi.org/10.37358/MP.20.2.5353},
url = {https://revmaterialeplastice.ro/Articlegs.asp?ID=5353}
}
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