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相对贵州省其他公路线而言,三穗~贵阳高速公路地质灾害发生更频繁、危害更严重。结合自然地理地质条件和地质灾害特征,选定8项评价因子,采用黄金分割法确定其权重;运用综合分析的因子叠加法,对贵州省三穗~贵阳高速公路地质灾害进行了危险度分段评价。评价结果包括:高危险度段(岑松镇~三颗树),中高危险度段(三穗~岑松镇),中危险度段(谷脚镇~贵阳、三颗树~下司镇),中低危险度段(黄丝镇~三元镇),低危险度段(三元镇~谷脚镇、下司镇~黄丝镇)。
Compared with other highways in Guizhou Province, the geological disasters of Sansui ~ Guiyang Expressway occurred more frequently and harmed more seriously. According to the characteristics of natural geography and geological disasters, eight evaluation factors were selected and the golden section method was used to determine their weights. By using the factor superposition method of comprehensive analysis, the hazard degree of the three-spike to the Guiyang expressway in Guizhou Province was subdivided Evaluation. The results of the evaluation include: high risk section (Cen Song town ~ three trees), middle and high risk section (three spikes ~ Cen Song town), middle risk section (Valley foot town ~ Guiyang, three trees ~ Xia Shizhen) Low-risk segment (yellow wire town ~ Sanyuan town), low risk section (Sanyuan town ~ Valley foot town, Xiaosi town ~ Huangsi town).