Simulation Study on Soil Erosion of Different Underlaying Surface in Construction Period of Nei Kun Railway

LI Zhong wu; CAI Qiang guo; WU Shu an; TANG Zheng hong

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Simulation Study on Soil Erosion of Different Underlaying Surface in Construction Period of Nei Kun Railway

更新时间：2024-11-07

- Simulation Study on Soil Erosion of Different Underlaying Surface in Construction Period of Nei Kun Railway
- Vol. 15, Issue 2, (2001)
- 作者机构：
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- DOI：
  CLC： S157.1
- Published：2001
- 稿件说明：
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LI Zhong wu, CAI Qiang guo, WU Shu an, et al. Simulation Study on Soil Erosion of Different Underlaying Surface in Construction Period of Nei Kun Railway[J]. 2001, 15(2).
DOI：

LI Zhong wu, CAI Qiang guo, WU Shu an, et al. Simulation Study on Soil Erosion of Different Underlaying Surface in Construction Period of Nei Kun Railway[J]. 2001, 15(2). DOI：

摘要

工程措施所形成的各类人工地貌具有地表完全裸露、人为因素影响大等特征。在人工模拟降雨的基础上

对铁路施工期形成的各类人为地貌和原地面的土壤侵蚀产沙、产流规律以及影响因素进行了研究。结果表明

降雨历时和累积径流量、累积产沙量以及含沙率的关系非常密切

同时植被覆盖度以及土壤质地是影响土壤侵蚀产流产沙的主要因素

Abstract

Artificial physiognomy formed by engineering measures had characters of completely bare surface and being disturbed by human activity obviously. On the bases of simulated rainfall

the rule of soil erosion

sediment and runoff yield

and influence factors of artificial physiognomy formed in construction period of railway and natural ground

were researched. The results showed that rainfall duration had a close relation to accumulated runoff

accumulated sediment yield

rate of sediment yield; at the same time

vegetative coverage

density of soil

and pre moisture in soil are main factors affecting yield sediment and runoff.

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