Mechanical analysis of interaction between plant roots and rock and soil mass in

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Mechanical analysis of interaction between plant roots and rock and soil mass in slope vegetation

With the help of plant roots, slope vegetation makes the slope soil mass become a composite material of soil and roots, and thus enhances shear strength of the slope soil mass and stability of the slope. However, the related studies at present are still qualitative. In this paper, quantitative analysis of the interaction between roots and soil mass are made. By the analysis of the interaction between herbaceous plant roots including lateral roots of woody plants and rock and soil mass, a mechanical model of the interaction between frictional roots and soil is established, and its correctness is shown.A mechanical model of the interaction between anchorage root, namely, woody plant taproot, and soil is also established. The establishment of the models provides a useful means in quantitative analysis of the interaction between plant roots and soil, and has practical values.

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作 者: Zhi-xin YAN Yun SONG Ping JIANG Hou-yu WANG  
作者单位:Zhi-xin YAN,Ping JIANG(Key Laboratory of Mechanics on Disaster and Environment in Western China Lanzhou University,Ministry of Education,Lanzhou 730000,P.R.China;School of Civil Engineering and Mechanics,Lanzhou University,Lanzhou 730000,P.R.China)水利论文 G.\B#uI6B M U&D
Yun SONG(College of Civil Engineering and Mechanics,Central South University of Forestry and Technology,Changsha 410004,P.R.China)水利论文 Sh n Ws!Bd
Hou-yu WANG(Air Force Engineering Design & Research Bureau,Beijing 100077,P.R.China) 
刊 名:应用数学和力学(英文版)  EI SCI
英文刊名:APPLIED MATHEMATICS AND MECHANICS 
年,卷(期):2010 31(5) 
分类号:U213.158 
关键词:slope vegetation   vegetation for slope protection   mechanical model   frictional root   anchorage root  
机标关键词:vegetationmassrockplant rootsinteractionquantitative analysismechanical modelcomposite materialstrength ofpracticalstudiesrelatedHoweverpapermeanshelp 
基金项目:Project supported by the National Natural Science Foundation of China,the Specialized Research Fund for the Doctoral Program of Higher Education,the Natural Science Foundation of Gansu Province of China 
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