The stress which acts on the plant root in the crag earth medium is very complexity and polytrope, so determining its reinforcement ability is extremely difficult.
植物根系在岩土介质中受力的复杂性、多变性，使得确定其加固能力十分困难。
2
There are many methods for reinforcement of river embankment. The diameter of root piles is small, so the construction is quite difficult.
沿江岸坡加固的方法有多种，树根桩桩径小，施工难度较大。
3
First, we take the surface soil of the side slope as root-soil complex material and take the root as 3d reinforcement material to increase the soil strength.