Deformation Characteristics of Fiber-Reinforced Cured Lightweight Soils under Dry and Wet Cycles and Intermittent Loading.
| Title: | Deformation Characteristics of Fiber-Reinforced Cured Lightweight Soils under Dry and Wet Cycles and Intermittent Loading. |
|---|---|
| Authors: | Aiwu Yang1 wayyjk@dhu.edu.cn, Binbin Wang1 |
| Source: | Polish Journal of Environmental Studies. 2024, Vol. 33 Issue 1, p455-466. 12p. |
| Subject Terms: | *SOIL drying, *MATERIAL plasticity, *DEFORMATIONS (Mechanics), *CYCLIC loads, *FIBER-reinforced plastics, *SOIL mechanics |
| Abstract: | In practical engineering applications, cured lightweight soils are commonly used as roadbed fillers and subjected to intermittent and discontinuous traffic loads. However, previous studies primarily focused on the effects of continuous loading on the mechanical properties of cured soils. To address this knowledge gap, this study investigated the deformation characteristics of fiber-reinforced cured lightweight soils under dry and wet cycles and intermittent loading. Dynamic triaxial tests with varying intermittent ratios and numbers of dry and wet cycles were conducted to assess the influence of these factors on the accumulated plastic strain of fiber-reinforced cured lightweight soils. Based on the test results, a prediction model was developed to estimate the accumulated plastic strain of the cured soils under intermittent loading. The findings indicated that the interval length has a dampening effect on the accumulated plastic deformation of the soil, thereby improving its ability to resist deformation. Additionally, the accumulation of plastic deformation gradually increased with the number of wet and dry cycles but eventually stabilized. In multistage loading, the accumulated plastic strain displayed a rapid increase and stabilization trend similar to that in observed the first loading stage. However, the magnitude of the cyclic dynamic stress ratio determines the deformation at later loading stages. Finally, an improved exponential model was used to establish and validate a prediction model for the cumulative plastic strain of the fiber-reinforced cured lightweight soil under intermittent loading (single and multistage). This prediction model provides important guidance for the practical application of fiber-reinforced cured lightweight soils in engineering projects. [ABSTRACT FROM AUTHOR] |
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| Items | – Name: Title Label: Title Group: Ti Data: Deformation Characteristics of Fiber-Reinforced Cured Lightweight Soils under Dry and Wet Cycles and Intermittent Loading. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Aiwu+Yang%22">Aiwu Yang</searchLink><relatesTo>1</relatesTo><i> wayyjk@dhu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Binbin+Wang%22">Binbin Wang</searchLink><relatesTo>1</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Polish+Journal+of+Environmental+Studies%22">Polish Journal of Environmental Studies</searchLink>. 2024, Vol. 33 Issue 1, p455-466. 12p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22SOIL+drying%22">SOIL drying</searchLink><br />*<searchLink fieldCode="DE" term="%22MATERIAL+plasticity%22">MATERIAL plasticity</searchLink><br />*<searchLink fieldCode="DE" term="%22DEFORMATIONS+%28Mechanics%29%22">DEFORMATIONS (Mechanics)</searchLink><br />*<searchLink fieldCode="DE" term="%22CYCLIC+loads%22">CYCLIC loads</searchLink><br />*<searchLink fieldCode="DE" term="%22FIBER-reinforced+plastics%22">FIBER-reinforced plastics</searchLink><br />*<searchLink fieldCode="DE" term="%22SOIL+mechanics%22">SOIL mechanics</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: In practical engineering applications, cured lightweight soils are commonly used as roadbed fillers and subjected to intermittent and discontinuous traffic loads. However, previous studies primarily focused on the effects of continuous loading on the mechanical properties of cured soils. To address this knowledge gap, this study investigated the deformation characteristics of fiber-reinforced cured lightweight soils under dry and wet cycles and intermittent loading. Dynamic triaxial tests with varying intermittent ratios and numbers of dry and wet cycles were conducted to assess the influence of these factors on the accumulated plastic strain of fiber-reinforced cured lightweight soils. Based on the test results, a prediction model was developed to estimate the accumulated plastic strain of the cured soils under intermittent loading. The findings indicated that the interval length has a dampening effect on the accumulated plastic deformation of the soil, thereby improving its ability to resist deformation. Additionally, the accumulation of plastic deformation gradually increased with the number of wet and dry cycles but eventually stabilized. In multistage loading, the accumulated plastic strain displayed a rapid increase and stabilization trend similar to that in observed the first loading stage. However, the magnitude of the cyclic dynamic stress ratio determines the deformation at later loading stages. Finally, an improved exponential model was used to establish and validate a prediction model for the cumulative plastic strain of the fiber-reinforced cured lightweight soil under intermittent loading (single and multistage). This prediction model provides important guidance for the practical application of fiber-reinforced cured lightweight soils in engineering projects. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Polish Journal of Environmental Studies is the property of Scientific Investigation Committee and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. 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: 10.15244/pjoes/170824 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 12 StartPage: 455 Subjects: – SubjectFull: SOIL drying Type: general – SubjectFull: MATERIAL plasticity Type: general – SubjectFull: DEFORMATIONS (Mechanics) Type: general – SubjectFull: CYCLIC loads Type: general – SubjectFull: FIBER-reinforced plastics Type: general – SubjectFull: SOIL mechanics Type: general Titles: – TitleFull: Deformation Characteristics of Fiber-Reinforced Cured Lightweight Soils under Dry and Wet Cycles and Intermittent Loading. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Aiwu Yang – PersonEntity: Name: NameFull: Binbin Wang IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Text: 2024 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 12301485 Numbering: – Type: volume Value: 33 – Type: issue Value: 1 Titles: – TitleFull: Polish Journal of Environmental Studies Type: main |
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