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对水布垭页岩遇水后易于软化的原因，从矿物成份、结构特征和物化性质等方面进行的研究结果表明，高含量的粘土矿物是该类页岩易于崩解的物质因素，结构特征和微孔隙微裂隙的发育情况是其易于崩解的另外两个重要原因。
The reason why the Shuibuya shale tends to be softened after encountering water, and the results from the aspects of mineral composition, structural characteristics and physicochemical properties show that high content of clay minerals is a material factor that easily disintegrates the shale. The development of microporosity and microporosity are two other important reasons for its easy disintegration.