{"title":"含纤维的城市生活垃圾细粒液化潜力分析:能量法及相关模型研究","authors":"Parul Rawat, Supriya Mohanty","doi":"10.1007/s10163-024-02143-x","DOIUrl":null,"url":null,"abstract":"<div><p>This study includes the reusability of the municipal solid waste (MSW) fines and fiber-reinforced MSW fines, where fibers are also the part of the waste. The investigation focuses on the liquefaction susceptibility of the considered waste using energy method. A total of 57 cyclic triaxial tests were conducted on MSW fines considering 5 parameters, i.e., relative compaction (<i>R</i><sub><i>c</i></sub>), frequency (<i>f</i>), effective confining pressure (<i>σ′</i><sub><i>c</i></sub>), shear strain (<i>γ</i>), and fiber content (FC). The obtained data were further used for simplified models through the developed correlations. The cumulative dissipated energy at liquefaction of MSW fines was found to be significantly higher than that of sands and similar types of waste. The fibers under consideration show no improvement in the liquefaction resistance of the MSW fines. The developed correlations between the energy and the excess pore water pressure ratio, and energy and shear modulus ratio aid in predicting the behavior of waste under dynamic loading conditions. Regression models achieve <i>R</i><sup>2</sup> > 0.9 for excess PWP and energy ratios, <i>R</i><sup>2</sup> ≈ 0.99 for shear modulus and energy ratio, and <i>R</i><sup>2</sup> > 0.7 for dissipated energy prediction, with a new FC/<i>γ</i> ratio introduced for reinforced MSW fines. The relationship developed by regression models between different parameters and dissipated energy can be applied to other types of waste with similar nature.</p></div>","PeriodicalId":643,"journal":{"name":"Journal of Material Cycles and Waste Management","volume":"27 2","pages":"898 - 913"},"PeriodicalIF":2.7000,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Analyzing liquefaction potential of municipal solid waste fines with fibers: a study on energy method and correlation models\",\"authors\":\"Parul Rawat, Supriya Mohanty\",\"doi\":\"10.1007/s10163-024-02143-x\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>This study includes the reusability of the municipal solid waste (MSW) fines and fiber-reinforced MSW fines, where fibers are also the part of the waste. The investigation focuses on the liquefaction susceptibility of the considered waste using energy method. A total of 57 cyclic triaxial tests were conducted on MSW fines considering 5 parameters, i.e., relative compaction (<i>R</i><sub><i>c</i></sub>), frequency (<i>f</i>), effective confining pressure (<i>σ′</i><sub><i>c</i></sub>), shear strain (<i>γ</i>), and fiber content (FC). The obtained data were further used for simplified models through the developed correlations. The cumulative dissipated energy at liquefaction of MSW fines was found to be significantly higher than that of sands and similar types of waste. The fibers under consideration show no improvement in the liquefaction resistance of the MSW fines. The developed correlations between the energy and the excess pore water pressure ratio, and energy and shear modulus ratio aid in predicting the behavior of waste under dynamic loading conditions. Regression models achieve <i>R</i><sup>2</sup> > 0.9 for excess PWP and energy ratios, <i>R</i><sup>2</sup> ≈ 0.99 for shear modulus and energy ratio, and <i>R</i><sup>2</sup> > 0.7 for dissipated energy prediction, with a new FC/<i>γ</i> ratio introduced for reinforced MSW fines. The relationship developed by regression models between different parameters and dissipated energy can be applied to other types of waste with similar nature.</p></div>\",\"PeriodicalId\":643,\"journal\":{\"name\":\"Journal of Material Cycles and Waste Management\",\"volume\":\"27 2\",\"pages\":\"898 - 913\"},\"PeriodicalIF\":2.7000,\"publicationDate\":\"2024-12-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Material Cycles and Waste Management\",\"FirstCategoryId\":\"93\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s10163-024-02143-x\",\"RegionNum\":4,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ENVIRONMENTAL SCIENCES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Material Cycles and Waste Management","FirstCategoryId":"93","ListUrlMain":"https://link.springer.com/article/10.1007/s10163-024-02143-x","RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENVIRONMENTAL SCIENCES","Score":null,"Total":0}
Analyzing liquefaction potential of municipal solid waste fines with fibers: a study on energy method and correlation models
This study includes the reusability of the municipal solid waste (MSW) fines and fiber-reinforced MSW fines, where fibers are also the part of the waste. The investigation focuses on the liquefaction susceptibility of the considered waste using energy method. A total of 57 cyclic triaxial tests were conducted on MSW fines considering 5 parameters, i.e., relative compaction (Rc), frequency (f), effective confining pressure (σ′c), shear strain (γ), and fiber content (FC). The obtained data were further used for simplified models through the developed correlations. The cumulative dissipated energy at liquefaction of MSW fines was found to be significantly higher than that of sands and similar types of waste. The fibers under consideration show no improvement in the liquefaction resistance of the MSW fines. The developed correlations between the energy and the excess pore water pressure ratio, and energy and shear modulus ratio aid in predicting the behavior of waste under dynamic loading conditions. Regression models achieve R2 > 0.9 for excess PWP and energy ratios, R2 ≈ 0.99 for shear modulus and energy ratio, and R2 > 0.7 for dissipated energy prediction, with a new FC/γ ratio introduced for reinforced MSW fines. The relationship developed by regression models between different parameters and dissipated energy can be applied to other types of waste with similar nature.
期刊介绍:
The Journal of Material Cycles and Waste Management has a twofold focus: research in technical, political, and environmental problems of material cycles and waste management; and information that contributes to the development of an interdisciplinary science of material cycles and waste management. Its aim is to develop solutions and prescriptions for material cycles.
The journal publishes original articles, reviews, and invited papers from a wide range of disciplines related to material cycles and waste management.
The journal is published in cooperation with the Japan Society of Material Cycles and Waste Management (JSMCWM) and the Korea Society of Waste Management (KSWM).