| 土保护层塑料薄膜防渗渠道的铺膜临界角 |
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| 引用本文： | 王俊发,马旭,杨传华.土保护层塑料薄膜防渗渠道的铺膜临界角[J].农机化研究,2008(4):49-51. |
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| 作者姓名： | 王俊发 马旭 杨传华 |
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| 作者单位： | 1. 佳木斯大学机,械工程学院,黑龙江,佳木斯,154007
2. 华南农业大学,工程学院,广州,510642 |
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| 摘 要： | 土保护层塑料薄膜防渗渠道的土-膜结合面通常是渠道滑坡的最危险界面,而膜料的铺放角度是影响渠坡稳定的重要因素.为此,分析了塑料薄膜铺放角度对渠道边坡稳定的影响规律,提出了土保护层渠道塑膜铺衬防渗铺膜临界角的概念,建立了铺膜临界角的数学模型.其结果对于防止渠道滑坡及渠道设计施工具有工程实际意义.
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| 关 键 词： | 农业工程 渠道防渗 分析 塑料薄膜 土保护层 临界角 |
| 文章编号： | 1003-188X（2008）04-0049-03 |
| 收稿时间： | 2007-07-11 |
| 修稿时间： | 2007年7月11日 |
Critical Angle to Pave Geomembrane Iining in the Canal with Soil Protective Layer |
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| WANG Jun-fa,MA Xu,YANG Chuan-hua.Critical Angle to Pave Geomembrane Iining in the Canal with Soil Protective Layer[J].Journal of Agricultural Mechanization Research,2008(4):49-51. |
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| Authors: | WANG Jun-fa MA Xu YANG Chuan-hua |
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| Abstract: | The interface between soil and geomembrane lining is generally most dangerous surface in the canal with remembrance seepage-proofing layer and soil protective layer, and the angle to pave geomembrane lining is main influence factor to the stabilization of canal slope. In this paper, analyze the influence rules of the angle to pave geomembrane lining on canal slope stabilization, give out the critical angle to pave geomembrane lining, develop the mathematics model of the critical angle to pave geomembrane lining. The result is of practical price for preventing canal sloping and designing and building canal. |
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| Keywords: | agricultural engineering canal seepage-proofing analysis geomembrane protective soil layer critical angle |
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