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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X20944479
|2 doi
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|a pubmed24n1043.xml
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|a eng
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|a Liu, Chao
|e verfasserin
|4 aut
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|a A modified stability analysis method of landfills dependent on gas pressure
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 08.07.2021
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|a Date Revised 08.07.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Excessive gas pressure (GP) in landfills is a potential triggering mechanism for slope failure, which is rarely considered in analytical models. This paper presents a modified analytical model for landfill stability dependent on GP. A two-layered GP model is established to describe the GP above and below the leachate level. The distribution of GP is then used to calculate the factor of safety (FS) using a modified wedge stability analysis method. It is found that the lack of consideration of the GP in landfill stability analysis leads to serious overestimation of the FS. In addition, the GP gas pressure within the landfill accelerates the critical interface of a multilayer liner system shifting from one to another. A new estimation criterion for FS is proposed. The proposed criterion can directly estimate the stability of the landfill by the field-tested pore pressure. Finally, the proposed method is applied to estimate the slope failure of Xiaping landfill in Shenzhen, and the results verify the proposed method
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|a Journal Article
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|a Landfills
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|a gas pressure
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|a wedge stability analysis method
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| 700 |
1 |
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|a Shi, Jianyong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lv, Yaru
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shao, Guojian
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 39(2021), 6 vom: 01. Juni, Seite 784-794
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
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|g volume:39
|g year:2021
|g number:6
|g day:01
|g month:06
|g pages:784-794
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|u http://dx.doi.org/10.1177/0734242X20944479
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