| 紫色土和黄壤草本根土复合体抗剪性能试验研究 |
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| 引用本文： | 王耕,周腾禹,韦杰.紫色土和黄壤草本根土复合体抗剪性能试验研究[J].中国水土保持,2019(4):34-37,I0001. |
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| 作者姓名： | 王耕 周腾禹 韦杰 |
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| 作者单位： | 1.辽宁师范大学城市与环境学院;2.重庆师范大学地理与旅游学院 |
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| 摘 要： | 以重庆常见的紫色土和黄壤草本根土复合体为试验对象,研究含水率和含根量对土壤抗剪强度的影响,结果表明:①在试验含根量范围内,根系提高了土样抗剪强度,黏聚力和内摩擦角随含根量的增加而增大,但存在最优含根量区域,黄壤最优含根量为1%,紫色土最优含根量为0.6%;②在试验含水率范围内,黏聚力和内摩擦角受含水率影响显著(P<0.05),且随含水率的增加表现为先增加后减少,存在最优含水率,黄壤最优含水率为20%,紫色土最优含水率为25%;③在试验含水率范围内,含根量对紫色土黏聚力和内摩擦角的影响比黄壤大。
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| 关 键 词： | 黄壤 紫色土 根土复合体 抗剪性能 对比试验 |
Experimental Study on Shear Performance of Herb Root-Soil Complex in Purple Soil and Yellow Soil |
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| WANG Geng,ZHOU Tengyu,WEI Jie.Experimental Study on Shear Performance of Herb Root-Soil Complex in Purple Soil and Yellow Soil[J].Soil and Water Conservation In China,2019(4):34-37,I0001. |
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| Authors: | WANG Geng ZHOU Tengyu WEI Jie |
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| Institution: | (School of Urban and Environmental Sciences,Liaoning Normal University,Dalian,Liaoning 116029,China;School of Geography and Tourism,Chongqing Normal University,Chongqing 401331,China) |
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| Abstract: | WANG Geng;ZHOU Tengyu;WEI Jie(School of Urban and Environmental Sciences,Liaoning Normal University,Dalian,Liaoning 116029,China;School of Geography and Tourism,Chongqing Normal University,Chongqing 401331,China) |
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| Keywords: | yellow soil purple soil root-soil complex shear performance contrast test |
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