利用稳态坡形类比法预测基岩岸坡的库岸再造

马淑芝; 贾洪彪; 唐辉明

利用稳态坡形类比法预测基岩岸坡的库岸再造

中国地质大学工程学院, 湖北武汉 430074

详细信息

作者简介:
马淑芝(1974-), 女, 讲师, 在职博士生, 主要从事岩土工程方面的教学与研究工作.E-mail: tmgc@cug.edu.cn

中图分类号: P642
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出版历程
- 收稿日期: 2001-11-23
- 刊出日期: 2002-03-25

Analogy Method with Stable Side Shape to Predict Reservoir Side Rebuilding of Rock Shore

Engineering Faculty, China University of Geosciences, Wuhan 430074, China

摘要

摘要: 水库库岸再造是水利水电工程中经常遇到的工程地质问题之一.依据库岸地质结构和岩性组合, 划分出工程地质条件相近的库岸段, 与工程地质条件相类似的稳态坡形进行类比, 确定出再造后的稳态坡形的坡角大小, 从而进行库岸再造预测.利用稳态坡形类比法对三峡库区迁建新址的基岩库岸进行了再造预测, 定量预测出三峡水利枢纽工程建成蓄水后, 巫山县城新址基岩库岸最终再造带宽度在40166m之间, 预测结果可以用来指导新城的规划与建设.
- 库岸再造 /
- 稳态坡形 /
- 类比法 /
- 定量预测
Abstract: Reservoir side rebuilding is a major problem that often arises in hydraulic and hydroelectric engineering, but there are no effective methods to forecast quantitatively the reservoir side rebuilding of rock shore. This paper introduces the analogy method with stable slide shape that can be used to predict the final width of the shore rebuilding. The method has been applied in forecasting the reservoir side rebuilding of a new town in the reservoir area of Three Gorges Project, and has produced perfect results. Hence it can be used for the planning and building of the new town.
- reservoir side rebuilding /
- stable side shape /
- analogy method /
- quantitative prediction

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图 1 岩质岸坡库岸再造过程

Fig. 1. Rebuilding process of rock bank

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图 2 岸坡稳态坡形

Fig. 2. Stable slope shape

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表 1 T₂b²基岩区坡度统计

Table 1. Statistics of rock slope gradient in T₂b²

表 2 库岸最终坡角建议值

Table 2. Proposed values of final slope angle of reservoir bank

表 3 基岩库岸再造预测结果

Table 3. Predictive results of reservoir rock bank rebuilding

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