本文主要介绍沟口洪积扇型堆积层滑坡— — 安口滑坡的地质、勘测设计、施工整治概况及效果。以大量的勘探资料和施工清方暴露出的实际情况为依据,论述安口滑坡的形成、发展演变历史、类型及特征。从工程地质角度,对在沟口洪积扇型堆积层滑坡地段选线、重大建筑物的选址及此类滑坡的勘测设计,提出需要重点注意的一些问题。

The Ankou la ndslide is a di luvial-fan deposit la ndsi lde a t the ent rance of a gully. Its g eolog y, surv ey and desig n, countermeasures during co nst ructio n and thei r ef fects are mainly introduced in this paper. Ba sed o n the plenty surv eying info rmatio ns and the practica l si tuatio ns rev ealed by removal cut during const ruction, the fo rmation, devo loping and ev olutional hi sto ry , sty le a nd characteri stic o f the Ankou landslide are ex plored in detai l. From the view point o f geo techno log y, concerned wi th the route selection and the di sposition of impo rtant bui ldings o n the section of a di luvial-fan depo si t landslide at the ent ra nce of the g ully, as