Assessment of the Stability of Rock Slopes by the Slope Stability Rating Classification System
Assessment of the Stability of Rock Slopes by the Slope Stability Rating Classification System
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DOI：
10.1007/s00603-009-0050-4
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发表时间：
2010-05
影响因子：
6.2
通讯作者：
A. Taheri;K. Tani
中科院分区：
文献类型：
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作者：
A. Taheri;K. Tani
针对严重节理岩体边坡稳定性评价缺乏系统的问题，提出了一种新的边坡稳定性分级系统SSR。除了所谓的修改后的地质强度指数，拟议的系统考虑了五个额外的参数，其相对影响的断裂岩石边坡的稳定性进行了精确的检查，从八个不同的岩石边坡网站在伊朗检索的数据为基础。岩体的总体评级是从每个参数的单个评级的总和中获得的。文中提供了一些设计图表作为说明。然后，根据伊朗和澳大利亚的46个边坡案例，对新系统进行了验证。为此，通过上述设计图表，给出了每个边坡的推荐稳定角，并与当前边坡条件进行了比较。最后给出了最大开挖角（FS = 1.0）和其它较保守开挖角（FS = 1.2，1.3，1.5）的SSR设计图表。
Given the lack of suitable systems in the characterization of slope stability of heavily jointed rock masses, a new rock mass classification system called Slope Stability Rating (SSR) is proposed. In addition to the so-called modified Geological Strength Index, the proposed system considers five additional parameters whose relative effects on the stability of fractured rock slopes were precisely examined based on data retrieved from eight different rock slope sites in Iran. An overall rating for the rock mass is obtained from the summation of the individual ratings of each parameter. A number of design charts are provided as illustration. The new system was then validated based on 46 slope case histories from Iran and Australia. For this, by means of the design charts previously mentioned, a recommended stable angle for each slope was given and compared with the current slope conditions. As a result, SSR design charts for maximum excavation angle (FS = 1.0) and also for other more conservative excavation angles (FS = 1.2, 1.3, 1.5) were presented.