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通过构造工程岩体结构分类的三角多项式函数，基于实际工程的各种岩体结构的典型特征，建立数学模型，并利用其数学特征所展示的韵律进行岩体结构类型的划分和识别。应用这种方法对长江三峡工程坝基块状岩体及清江高坝洲层状坝基岩体典型岩体结构建立三角模式图，作为各种类型岩体结构的标准模式图。岩体结构识别的三角多项式函数模式图方法为工程岩体结构类型的定量划分提供了一种有效的方法。
Based on the triangular polynomial function of engineering rock mass structure classification, based on the typical characteristics of various rock mass structures in practical engineering, a mathematical model is established and the rock structure types are divided and identified by using the prosody displayed by the mathematical characteristics. This method is used to establish a triangle pattern diagram of the typical rock mass structure of the dam foundation massive rock mass of the Three Gorges Project in the Yangtze River and the layered dam foundation of the Qingjiang high dam, which is taken as the standard mode diagram of various types of rock mass structures. The triangle polynomial function pattern method for identifying the structure of rock mass provides an effective method for the quantitative classification of the rock mass structure type.