城市高位危岩体形成因子及防治对策

Factors that Affecting the Formation of High-Risk Rock Fall Hazard and Their Preventions

贵州属典型的山区,城市及周边存在较多高位危岩体,其失稳将带来极大的人生威胁和财产损失。通过贵阳市某高位危岩体的勘查及防治措施,总结探索出城市高位危岩体的形成因子,主要包括地形地貌、地质岩性、地质构造、风化卸荷、水、植物根劈、人类活动等,进行了详细分析阐述,并提出了相应的防治对策,有一定的实用参考价值。

Guizhou is in a typical mountain terrain.There are many high-risk rock fall bodies in and surrounding the urban area of the city.With the increase quality of life,the instability induced by these high-risk rock falling bodies has drawn more and more attentions by the public and governmental agencies.This paper presents the investigation and remediation of rock fall hazards in Guiyang City.Factors,such as;topographical conditions,geological conditions od bedrock,tectonic structures,degree of weathering and unloading effect on the rock outcrops,role of surface and groundwater,vegetation and human activities;that might attribute to the rock falls have evaluated.The remediation measures are also proposed in the paper.