Research on Spoil from Construction Projects of Brown Earth in Liaoning

SU Fang-li; FAN Hao-ming; AN Xiao-qi; WU Min; GUO Cheng-jiu

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Research on Spoil from Construction Projects of Brown Earth in Liaoning

更新时间：2024-11-07

- Research on Spoil from Construction Projects of Brown Earth in Liaoning
- Vol. 25, Issue 2, (2011)
- 作者机构：
  
  沈阳农业大学水利学院,辽宁,沈阳,110866
- 作者简介：
- 基金信息：
- DOI：
  CLC： S157.1
- Published：2011
- 稿件说明：
移动端阅览
SU Fang-li, FAN Hao-ming, AN Xiao-qi, et al. Research on Spoil from Construction Projects of Brown Earth in Liaoning[J]. 2011, 25(2).
DOI：

SU Fang-li, FAN Hao-ming, AN Xiao-qi, et al. Research on Spoil from Construction Projects of Brown Earth in Liaoning[J]. 2011, 25(2). DOI：

摘要

弃土场是开发建设项目中最重要的水土流失来源之一。以辽宁省沈阳市某电厂剥离表土临时堆土为对象

研究棕壤地区开发建项目设弃土的流失规律。试验在沈阳农业大学水利学院综合试验基地的人工模拟降雨试验大厅内进行

共设5个雨强、5个坡度

雨强分别为0.38

0.64

1.05

1.24

1.50 mm/min

坡度分别设定为20°

25°

30°

35°

40°。研究结果表明

相同条件下

雨强越大坡面产流时间越短

坡面土壤水分入渗率随雨强的增加而增加

且雨强越大坡面初始入渗率越高;径流量随雨强的增加而增加。在不同雨强条件下径流量变化呈现不同规律

小雨强条件下增加较平缓;大雨强条件下

径流量呈波动性增加。相同条件下

随着坡度的增加产流时间逐渐缩短

坡面降雨入渗率随坡度的增大有增大的趋势。

Abstract

Slope is researched extensively as an important factor to produce erosion which influenced on the infiltration

runoff and sediment significantly.Dumping sites for construction of the project is to develop the most important source of soil erosion.This article studied spoil Brown's loss law by using the surface soil in a power plant in Shenyang city

Liaoning province.Erosion and sediment yield process of soil dumped by people have been analyzed by simulated rainfall experiments.Rainfall intensity was set as ...

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