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该文通过对黑方台黄土台缘滑坡进行深入细致的野外调查和测量、地下水观测、灌溉试验、水样和土样的物理化学分析，初步摸清了台缘滑坡的基本要素，分布特征、规模及危害，并查明了滑坡成因机制。据统计，该区有大小滑坡４４处，１９８６年至今发生滑坡２０多次，滑坡面积从０．２～２．５ｍ￣２不等。仅１９８９年以来，滑坡造成的直接经济损失近６００万元，平均每年近１２０万元。从野外观察和室内分析认为，该区台缘滑坡主要是由台面灌溉水下渗转为地下水，在台缘中下部以泉水形式溢出，或在砾石层底部和老滑坡底部出露，使砾石层底部泥岩被水浸泡软化成泥，当受压蠕动后便形成滑动带。有利的台缘地层和高陡的台缘地形也是引起滑坡的重要因素。
In this paper, the basic elements and distribution characteristics of the landslide in the Taifeng landslide are found through the thorough field investigation and measurement, the groundwater observation, the irrigation experiments, the physical and chemical analysis of water samples and soil samples. Scale and harm, and identify the mechanism of landslide. According to statistics, there are 44 large and small landslides in the area, more than 20 landslides occurred since 1986, and the landslide area varies from 0.2 to 2.5 m ~ 2. Since 1989, the direct economic losses caused by landslides have amounted to nearly 6 million yuan, an average of nearly 1.2 million yuan each year. According to the field observation and indoor analysis, the landslides in this area are mainly infiltrated by table water into groundwater, overflowing in the middle and lower parts of the platform by spring water or exposed at the bottom of the gravel layer and the bottom of the old landslide so that the gravel layer The bottom of the mudstone is immersed in water to soften into mud, slippery when formed after pressure creep. The favorable platform margin and steep terrain are also important factors that cause landslides.