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首页> 外文会议>GeoShanghai International Conference; 20060606-08; Shanghai(CN) >Rainfall Erosion Control on Roadside Embankment Using Compost Soils
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Rainfall Erosion Control on Roadside Embankment Using Compost Soils

机译：用堆肥土壤控制路堤的降雨侵蚀

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摘要

This paper reported the bench-scale experimental study of using a patent pending compost soil (developed by Earth Solutions) as a rainfall erosion control material on roadside embankment. A rainfall simulator, which simulated natural rainfall of 10-year event in Kansas, was constructed for this study; and a soil box was designed and built to accommodate the erosion tests. First, loam base soil was tested for credibility, the soil loss significantly exceeded the tolerable soil loss. Then the compost, as surface erosion control layer, was applied on the base soil. Two configurations were tested: (1) filtered compost - composts of three different pellet sizes were laid on up-slope, mid-slope, and down-slope, respectively, with finer compost on upslope and coarser compost on down-slope; (2) vegetated compost - the compost layer was vegetated using grasses. Experimental results showed that soil loss was within the tolerable limit in the two compost applications. It was concluded that the proprietary compost soil could be a suitable material for roadside embankment rainfall erosion control.
机译：本文报道了使用规模待定的堆肥土壤（由Earth Solutions开发）作为路堤上的降雨侵蚀控制材料的实验研究。为此研究构建了一个降雨模拟器，该模拟器模拟了堪萨斯州10年事件的自然降雨。设计并建造了一个土壤箱以适应侵蚀试验。首先，对壤土进行了可信度测试，土壤流失量大大超过了可容忍的土壤流失量。然后，将堆肥作为表面侵蚀控制层，施用到基础土壤上。测试了两种配置：（1）过滤后的堆肥-将三种不同颗粒大小的堆肥分别放在上坡，中坡和下坡，其中较细的堆肥放在上坡，较粗的堆肥放在下坡； （2）堆肥化植物-堆肥层是用草来植被化的。实验结果表明，在两种堆肥应用中，土壤流失均在允许的范围内。得出的结论是，专有的堆肥土壤可能是控制路边路堤降雨侵蚀的合适材料。

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