Effect of the spatial changes in engineering properties on municipal solid waste landfill slope stability

IF 3.7 2区工程技术 Q3 ENGINEERING, ENVIRONMENTAL

Bulletin of Engineering Geology and the Environment Pub Date : 2024-10-26 DOI:10.1007/s10064-024-03952-y

Rong Yang, Zengguang Xu, Junrui Chai, Cheng Cao, Jianxi Ren, Xiaoke Chang

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引用次数: 0

Abstract

Landfill is the main method for disposing of municipal solid waste (MSW). However, landfill instability destruction accidents occur frequently, and the instability is influenced by multiple factors. Due to the complex composition of MSW and its obvious heterogeneous properties, landfill stability is the most significant engineering challenge in landfill operations. This paper has provided a review about status quo of MSW disposal and researched the impact factors of MSW landfill stability through extensive literature research. In view of the landfill process and specific heterogeneity of MSW, a finite element model about spatial changes in engineering properties on MSW body has been proposed. Then the sensibility analysis of the engineering properties on heterogeneity municipal solid waste body stability has been conducted, and the influence curves for the safety factors of the MSW body have been proposed. Finally, suggestions have been proposed that can provide technical support and can serve as a reference for the design, operation, and maintenance of MSW landfills.

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工程特性的空间变化对城市固体废物填埋场边坡稳定性的影响

垃圾填埋是处理城市固体废物（MSW）的主要方法。然而，垃圾填埋场失稳破坏事故时有发生，且失稳受多种因素影响。由于城市固体废物成分复杂，具有明显的异质性，填埋场稳定性是填埋场运营中最重要的工程挑战。本文综述了城市固体废弃物的处理现状，并通过大量文献研究探讨了影响城市固体废弃物填埋场稳定性的因素。针对垃圾填埋过程和城市固体废物的特殊异质性，提出了城市固体废物填埋体工程特性空间变化的有限元模型。然后进行了工程特性对异质性城市固体废物填埋体稳定性的敏感性分析，并提出了城市固体废物填埋体安全系数的影响曲线。最后提出建议，为城市固体废物填埋场的设计、运行和维护提供技术支持和参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Bulletin of Engineering Geology and the Environment 工程技术-地球科学综合

CiteScore

7.10

自引率

11.90%

发文量

445

审稿时长

4.1 months

期刊介绍： Engineering geology is defined in the statutes of the IAEG as the science devoted to the investigation, study and solution of engineering and environmental problems which may arise as the result of the interaction between geology and the works or activities of man, as well as of the prediction of and development of measures for the prevention or remediation of geological hazards. Engineering geology embraces: • the applications/implications of the geomorphology, structural geology, and hydrogeological conditions of geological formations; • the characterisation of the mineralogical, physico-geomechanical, chemical and hydraulic properties of all earth materials involved in construction, resource recovery and environmental change; • the assessment of the mechanical and hydrological behaviour of soil and rock masses; • the prediction of changes to the above properties with time; • the determination of the parameters to be considered in the stability analysis of engineering works and earth masses.