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| 引用本文： | 孙洪军,梁力,赵丽红,王学志. ?????????????????????????о?[J]. 力学与实践, 2009, 31(6): 53-56. DOI: 10.6052/1000-0879-2008-592 |
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| 作者姓名： | 孙洪军 梁力 赵丽红 王学志 |
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| 作者单位： | 1. 东北大学；辽宁工业大学;2. 东北大学;3. ;4. 辽宁工业大学; |
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| 摘 要： | 从城市垃圾填埋场沉降的机理出发，以经典力学中应力-应变之间的关系为基础，建立起城市垃圾填埋场在载荷、蠕变和生物降解耦合作用下沉降的力学模型，并分别确定在载荷、蠕变和生物降解作用下屈服表面应力增量的表达式. 通过填埋场沉降的实例计算，该模型得到了较为满意的预测结果.
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| 关 键 词： | 城市垃圾填埋场 力学模型 荷载 蠕变 生物降解 |
| 收稿时间： | 2008-12-04 |
STUDY ON MECHANICAL MODEL OF SETTLEMENT IN MUNICIPAL SOLID WASTE LANDFILL |
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| SUN Hongjun , LIANG Li , ZHAO Lihong , WANG Xuezhi. STUDY ON MECHANICAL MODEL OF SETTLEMENT IN MUNICIPAL SOLID WASTE LANDFILL[J]. Mechanics and Engineering, 2009, 31(6): 53-56. DOI: 10.6052/1000-0879-2008-592 |
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| Authors: | SUN Hongjun LIANG Li ZHAO Lihong WANG Xuezhi |
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| Abstract: | Landfill is a cost-effective method for urban wastedisposal. Prediction of landfill settlement is the most essential issuein order to increase the municipal solid waste landfill capacity and improvethe utilization of landfill. In this paper, a mechanical model of thesettlement under the combined action of load, creep and biodegradationis proposed based on the settlement mechanism of municipal solid wastelandfill and the relationship between stress and strain in classical mechanics.The expression of yield surface stress increment is obtained under load,creep and biodegradation. The example computed oflandfill settlement shows that the model is satisfactory in forecasting. |
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| Keywords: | municipal solid waste landfill mechanical model load creep biodegradation |
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