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小旦滑坡位于330国道瓯青公路复线21km处,为一堆积体滑坡。针对小旦滑坡,研究其滑体结构、滑动带特征,滑坡变形破坏机理以及现今变形特征,认为是一推动型滑坡。进行物理力学参数的试验研究,得到滑面的抗剪强度参数。通过滑坡体稳定分析,提出削方减载、抗滑桩、锚杆滑坡治理方案。由于该滑坡的稳定性受地下水的影响十分明显,因此应注意采取排水措施。
Xiaodan landslide is located at the No. 330 national highway Ouqing Highway duplex 21km, as a pile of landslides. Aiming at the Xiaoling landslide, it is considered as a push-type landslide to study the structure of its slide body, the characteristics of the sliding belt, the deformation and failure mechanism of the landslide and the present deformation features. The physical and mechanical parameters of the experimental study, the sliding surface shear strength parameters. Based on the stability analysis of landslide body, the paper puts forward the schemes of reducing the load of cutters, anti-slide piles and rock bolt landslide. Due to the obvious influence of groundwater on the stability of the landslide, drainage measures should be taken.