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××铁路最近已建成通车,在修建过程中,工程滑坡多处出现。这些滑坡的产生和发展,由于后期地貌的改变,造成假象不易察觉,显示出一定的复杂性和隐伏性。一般滑坡都在岸坡较缓的地带分布,常为选线所用位置;有的堆积层滑坡,即使地貌明显,确定滑面和边界亦有一定难度,不好把握。由于滑坡前后相连的桥隧工程正在施工或已施工完毕,所以,在施工中出现的滑坡,处理起来都非常棘手,而且工期已迫近,处理难度较大。本文结合××线DK104滑坡的整治对这类工程滑坡勘测设计中存在的问题予以阐述。
The XX Railway has recently been opened to traffic. During the construction process, many landslides occurred. The emergence and development of these landslides, as a result of the changes of the later geomorphology, cause the illusion to be imperceptible and show some complexity and concealment. The general landslides are distributed in the areas where the shore slope is relatively slow. They are often the locations used for route selection. Some of the landslides, even with obvious landforms, have certain difficulties in determining the slip surface and boundary and are not well understood. As the bridge and tunnel connected before and after the landslide are under construction or completed, the landslides appearing in the construction are very difficult to handle and the construction period is approaching and the treatment is difficult. In this paper, the problem of landslide survey and design in this kind of engineering is described based on the remediation of DK104 landslide.