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对大石河尾矿坝的四种配制砂样进行了静力不排水剪切试验，初步探讨了孔隙比、固结应力和固结应力比对土样应力－应变特性的影响，提出了四种尾矿砂配制样的稳态线和稳态强度，并对稳态线的合理性和稳态强度的工程应用进行了讨论。
The static undrained shear test was carried out on four kinds of sand samples prepared from Dashihe tailing dam. The effects of void ratio, consolidation stress and consolidation stress ratio on the stress-strain characteristics of soil samples were preliminarily discussed. Four kinds of The steady state and steady state strength of tailing sand samples are also discussed. The rationality of steady state line and the engineering application of steady state strength are also discussed.