CHEN Yin-zhen,CHENG Jin-hua,LI Meng,et al.Role of Soil and Water Loss and Technology of Soil and Water Conservation on Slopes of Expressway —Taking Ping’a Expressway and Ningda Expressway for Example[J].Research of Soil and Water Conservation,2007,14(06):17-19.
高速公路路基边坡水土流失规律及水土保持技术——以青海省平安至阿岱(平阿)和大通至西宁(宁大)高速公路为例
- Title:
- Role of Soil and Water Loss and Technology of Soil and Water Conservation on Slopes of Expressway —Taking Ping’a Expressway and Ningda Expressway for Example
- 分类号:
- S157.1;U412.22
- 摘要:
- 以青海省平阿和宁大高速公路为对象，采用布设简易试验小区及标签法测定公路不同部位土壤侵蚀量、不同植物组合的水土保持效果和不同工程防护形式水土保持效果。结果表明，路基边坡工程防护措施对防止土壤侵蚀有显著的作用，就水土保持效果来说，应优先采用拱形格的水土保持工程防护形式；在框架内采取生物防护措施时，可采用柠条+扁穗冰草+碱茅、扁穗冰草+苜蓿、白刺+扁穗冰草+碱茅等植物组合。
- Abstract:
- In this study, taking Ping’a and Ningda expressway as studied object, the soil erosion amount in different part of expressway, the soil and water conservation effect of different plant combination, of different engineering combination was measured by erosion plots and poker bar method.Results showed that engineering measurements has remarkable effect on preventing soil and water loss.And the engineering of arch falsework should be used preferentially.The plant combination of Caragana intermedia Kuang, Agropyron cristatum L.and Puccinellia distans, Agropyron cristatum L.and Medicago sativa L., Nitraria sibirica, Agropyron cristatum L.and Puccinellia distans should be used in arch falseworks.
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备注/Memo
收稿日期:2007-1-11。
基金项目:交通部西部交通科技项目“公路路域生态工程技术研究”（20033182233）
作者简介:陈引珍（1962- ），女，在读博士，主要从事流域治理研究。
通讯作者:程金花，女，讲师，主要从事土壤侵蚀与流域管理研究。