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按材料力学的基本假定,用叠加法原理分部计算渗透压力是当前常用的计算方法。但是渗透压力呈局部形状时有些公式仍比较长、分散,尤以尾水位以下部分的公式仍比较繁琐。 本文主要作了如下几点改进:1.用图解法求系数;2.提出局部呈三角形、矩形统一格式的计算式(如表1);3.提出了含有抽排减压情况下渗透压力计算的设想。经过验算。其结果与原法基本一致,满足精度的要求。 为了进一步说明这些公式,我们将扬压力一些基本原理,在此略予叙述(详见参考文献〔1〕)。
According to the basic assumption of material mechanics, using the principle of superposition method to calculate submerged pressure is the most commonly used calculation method. However, when the osmotic pressure is in a local shape, some formulas are still relatively long and scattered, especially the formula below the tail water level is still relatively complicated. This paper mainly made the following improvements: 1. Using the graphic method to find the coefficient; 2. Proposed locally triangular, rectangular uniform format of the formula (Table 1); 3. Proposed with the extraction of decompression case osmotic pressure calculation The idea. After checking. The results are basically consistent with the original method to meet the accuracy requirements. In order to further explain these formulas, we will stress some of the basic principles, which are slightly described here (see reference [1]).