工程堆积体土壤侵蚀影响因素国内研究进展
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S157

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国家自然科学基金项目(51679205);广西新发展集团(岩溶区绿色公路修建)院士工作站能力建设(桂科AD17129047)


Research Progress on Influencing Factors of Soil Erosion of Engineering Accumulation Body in China
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    摘要:

    生产建设项目排出大量弃渣,堆置形成工程堆积体,其具有边坡坡度陡、表层物质松散、机械组成复杂、植物根系及有机质缺失和抗蚀性差等特征,导致工程堆积体水土流失严重,备受国内学者的关注。本文综述了坡度、坡长、土石比(砾石含量)等下垫面条件,降雨强度(放水流量)、来水类型等降雨条件和植物措施、工程措施对工程堆积体土壤侵蚀过程的影响。为进一步探明工程堆积体的土壤侵蚀过程机理和建立适合我国的工程堆积体土壤侵蚀预测模型指引方向。今后应在以下几方面进行深入研究:试验影响因素增加工程堆积体不同堆放年限、工程堆积体物质来源和不同植被措施或工程措施等;工程堆积体野外土壤侵蚀长期定点试验;引入土壤侵蚀微观观测新技术;加大各类工程措施对工程堆积体土壤侵蚀的研究。

    Abstract:

    Due to the characteristics of steep slope slope, loose surface material, complex mechanical composition,lack of plant roots and organic matter, and poor corrosion resistance, a large amount of discarded slag discharged from production and construction projects forms engineering deposits, which result in serious soil and water loss in engineering deposits. Therefore, it has been paid much attention by domestic scholars. In this paper, the effects of slope, slope length, soil-rock ratio(gravel content), rainfall intensity(discharge rate), incoming water type, plant measures and engineering measures on the soil erosion process of engineering accumulation bodies are summarized.In order to further explore the mechanism of soil erosion process of engineering deposits and to establish a suitable soil erosion prediction model of engineering deposits in China, the direction of guidance. Further research should be carried out in the following aspects in the future: increasing the influence factors of different stacking years of the engineering accumulation body, material sources of the engineering accumulation body and different vegetation measures or engineering measures; Long-term field soil erosion test of engineering accumulation body; Introducing new techniques of soil erosion microscopic observation; The research on soil erosion of engineering accumulation body should be strengthened by various engineering measures.

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邹小阳,周旺,孙文俊,肖克飚,胡封兵,林珠.工程堆积体土壤侵蚀影响因素国内研究进展[J].东北农业科学,2021,46(1):57-61.

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  • 收稿日期:2018-10-18
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  • 在线发布日期: 2024-11-25
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