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植被护坡中植物根和岩土相互作用的力学分析 总被引:6,自引:0,他引:6
植被护坡借助植物根系使边坡土体成为土与根的复合材料,从而明显提高边坡土体的抗剪强度,增大边坡的安全稳定性.但是,目前的相关研究仍然停留在定性地分析上.文中试图在定量分析根和岩土相互作用方面进行探索性的工作,通过对草本植物的根系包括木本植物的侧根系与岩土体相互作用的分析,建立摩擦型根-土力学作用模型,并实验验证模型的正确性;对锚固型根亦即木本植物主根-土的作用也建立相互作用的力学模型.两类力学模型的建立为定量地分析植物根系与土体的相互关系提供了重要的理论指导,具有一定应用价值. 相似文献
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Mechanical analysis of interaction between plant roots and rock and soil mass in slope vegetation 总被引:2,自引:0,他引:2
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. 相似文献
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