Experimental Study on Protecting Speedway Slope Under Rainfall and Flow Scouring

XIAO Pei-qing; SHI Xue-jian; CHEN Jiang-nan; WU Qing; YANG Jian-feng; YANG Chun-xia; WANG Chang-gao

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Experimental Study on Protecting Speedway Slope Under Rainfall and Flow Scouring

- Experimental Study on Protecting Speedway Slope Under Rainfall and Flow Scouring
- Bulletin of Soiland Water Conservation Vol. 23, Issue 1, Pages: 16-18(2004)
- 作者机构：
  
  1. 黄河水利委员会黄河水利科学研究院,河南,郑州,450003
  2. 中国科学院水利部水土保持研究所,陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2004
- 稿件说明：
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XIAO Pei-qing, SHI Xue-jian, CHEN Jiang-nan, et al. Experimental Study on Protecting Speedway Slope Under Rainfall and Flow Scouring[J]. Bulletin of Soiland Water Conservation, 2004, 23(1): 16-18.
DOI：

XIAO Pei-qing, SHI Xue-jian, CHEN Jiang-nan, et al. Experimental Study on Protecting Speedway Slope Under Rainfall and Flow Scouring[J]. Bulletin of Soiland Water Conservation, 2004, 23(1): 16-18. DOI：

摘要

通过6个不同坡度、土壤和植物措施配置的高速公路边坡模拟试验小区

探讨了暴雨和径流冲刷条件下模拟边坡的细沟形成机理及其侵蚀特征。结果表明

草地几乎郁闭的沙砾土坡面只在降雨末期产生少量细沟;而种植灌木的褐黄土和料礓石的坡面细沟发育明显、形态变化复杂

细沟最大宽度为18.4 cm

最大深度为16.5 cm。因此采取工程措施与生物措施二者相结合的办法

才能达到真正的边坡防护效果。

Abstract

Six plots of simulated speedway slope with different gradients are studied.Soil and vegetation measures are made to study the mechanism and characteristics of rill development on simulated slopes under rainfall and flow scouring.The results show small rills develop on sandstone slopes planted with lawn of much cover during the final term of rainfall.However。rills develop obviously and with complex shape on loess and gravel slopes planted with shrubs.The maximum width and depth of rill is 18.4 and 16.5 cm respectively.The combination of engineering measures and vegetation measures is the best choice to protect speedway slopes.

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