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在弱渗透性黏性土中,水–土压力的计算采用“水土分算”还是“水土合算”一直是学术界和工程界有争论的问题。上述两种土压力计算方法只考虑了极端情况,没有充分考虑土体的物理特性,计算结果差异很大。笔者根据不同土具有不同渗透性这一基本物理特性,提出考虑渗透性的水–土压力计算方法,该方法概念明确,适用范围更广,可以实现从无黏性土到黏性土的水–土压力计算且具有连续性,最后通过算例验证了该方法的合理性。
In weakly permeable cohesive soil, the calculation of water-earth pressure using “soil and water ” or “water and soil cost-effective ” has been a controversial issue in academia and engineering. The above two methods of earth pressure calculation only consider the extreme conditions, and do not fully consider the physical characteristics of the soil. The calculated results vary greatly. Based on the basic physical properties of different soils with different permeability, this paper presents a method for calculating water-earth pressure considering permeability. The method has a clear concept and a wider scope of application. It can realize water- The earth pressure is calculated and has continuity. Finally, an example is given to verify the rationality of the method.