Failure of debris flow fan is distinct from the common rock and soil slope failure due to the unique geotechnical features of debris flow sediment.

泥石流堆积体边坡失稳现象由于其组成物质、形成年代和堆积部位等方面的特点，与其他岩土边坡失稳有不同的表现。

youdao

Pointed out the slope high the ratio of slope and the weathering depth is the hard soil and soft rock side slope stable major effect factor.

指出坡高、坡比和风化层厚度是硬土软岩边坡稳定性的主要影响因素。

youdao

Because of the lack of soil, water, fertilize and hard ecological conditions in rock slope, there are lots of difficulties when planting trees or grasses on the slope.

由于岩石边坡缺土、缺水、缺肥，生态条件十分恶劣，因此在岩石边坡上栽树、种草的难度相当大。

youdao