磨刀溪岩石滑坡分析与治理-《山地学报》

文章信息/Info

Author(s):: YU Xingguo; SONG Xiangjun; WANG Gongxian; Northwest Research Institute Co.,Ltd of C.R.E.C.,Lanzhou 730000,China

Keywords:: rock landslide; cause analysis; treatment practice; lessons learned

摘要:: 磨刀溪岩石滑坡由于人工开挖、在支挡不当的情况下产生并逐步扩大。对此，着重采用了工程地质力学法对该滑坡进行了分析，明确了该滑坡为一切层滑坡，其发生发展与岩层的结构面关系密切。在此基础上以推力传递系数法及地基系数等为理论，确定以一排抗滑桩及一排锚索抗滑桩进行支挡，并在下排桩前采用锚索框架对桩前岩土体进行加固，以确保抗滑桩的锚固段不松弛变形，同时结合疏排水的措施对该滑坡予以彻底治理，从实践看最后一次的治理取得了成功。同时分析了前面几次失败的治理经历，从中总结了很多有益的经验和教训，并从治理实践中证明了该滑坡治理措施的合理性和有效性，值得同类工程借鉴。

Abstract:: Modaoxi rock landslide due to artificial excavation, in retaining improper conditions and gradually expanded, the emphasis of the engineering geological mechanics method on the rock slope is analyzed, and defined the landslide is a multilayer cutting rock landslide, its occurrence and development is closely related to rock structural plane. Based on the thrust transfer coefficient and coefficient of foundation for theory, to identify a row of embedded anti slide pile and a row of anchor cable antislide pile supporting, and in front of row piles with anchor cable frame in front of the pile of rock and soil reinforcement in order to ensure the antislide pile anchorage segment not relaxation deformation, combined with drainage measures for the landslide to administer thoroughly, look from practice last management success. Simultaneous analysis of previous failed to manage the experience, and from which summed up a lot of useful experiences and lessons, and from management practice proves that the landslide treatment measures is reasonable and effective, worthy of reference in similar engineering.

备注/Memo:: 收稿日期(Received date)：2012-06-20；改回日期(Accepted) :2012-09-15。
作者简介（Biography）：于兴国(1978-)，男，甘肃白银人，学士，高级工程师，主要从事岩土工程、地下工程等领域的勘察设计咨询与科研工作。[Yu Xingguo( 1978- ), male, from Baiyin,Gansu, bachelor of engineering, senior engineer, engaged in geotechnical engineering, underground engineering survey and design consulting and research work.]E-mail：9215146@qq.com