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Position: Home > Articles > Effect Analysis of Soil and Water Conversation of Jute Geotextile on the Different Layers of Soil Journal of Soil and Water Conservation 2014,28 (4) 23-28

黄麻土工布对不同层次土体的水土保持效用分析

作者：

张勇;丁树文;万绍文;张晓明;邓羽松;王秋霞

单位：

华中农业大学水土保持研究中心

关键词：

黄麻土工布;花岗岩风化土;径流;泥沙;拦截比

摘要：

通过对覆盖黄麻土工布的花岗岩发育的淋溶层、淀积层、母质层进行室内降雨模拟实验,控制雨强在70mm/h和坡度在20°的条件下,收集径流和泥沙,研究黄麻土工布对花岗岩发育的不同土层不同粒径泥沙的保持效用。结果表明,覆盖黄麻土工布能够有效地降低和稳定各土体各粒径的流失趋势;在含水率为(20±2)%时,对淋溶层、淀积层、母质层分别增加8.73%,18.40%,13.06%的入渗量;分别减少73.65%,72.70%,66.91%的泥沙量;覆盖黄麻土工布对>0.2mm粒径的颗粒拦截比最大,而对于<0.2mm粒径的颗粒拦蓄量最多。

译名：

Effect Analysis of Soil and Water Conversation of Jute Geotextile on the Different Layers of Soil

作者：

ZHANG Yong;DING Shu-wen;WAN Shao-wen;ZHANG Xiao-ming;DENG Yu-song;WANG Qiu-xia;Research Center of Water and Soil Conservation,Huazhong Agricultural University;Key Labrortory of Arable Land Conservation for Middle and Lower Reaches of Yangtze River,Ministry of Agriculture;

关键词：

jute geotextile;;granite weathered soil;;runoff;;sediment;;interception rate

摘要：

Indoor simulating rainfall experiments were conducted on weathered granite soil of eluvial horizon,illuvial horizon,parent material horizon.Under the condition of rainfall intensity was 70mm/h and the slope was 20°,runoff and sediment were collected in order to analyze the effect of soil and water conservation.The results showed that covering jute geotextile could effectively reduce and stabilize the trend of sediment increase of different layers and different particle sizes.It increased the infiltration of eluvial horizon,illuvial horizon,parent material horizon by 8.73%,18.40%,13.06% respectively even the soil moisture content was as high as(20±2)%,and also reduced by 73.65%,72.70%,66.91% sediment respectively.Since jute geotextile covered,large particles(>0.2mm)got the highest interception rate among all particles,while for small particles(0.2mm)got maximum amount of intercepted.

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黄麻土工布对不同层次土体的水土保持效用分析

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