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库伦型岩土压力公式中反映墙背倾斜情况的符号α常被解释或理解为墙背与水平面的夹角(即墙背倾角)。分析表明,这种解释或理解是错误的,将导致岩土压力公式对仰斜式挡墙(后仰边坡)不适用,造成仰斜式挡墙(后仰边坡)按俯斜式挡墙岩土荷载进行设计的后果。对这些公式中反映墙背倾斜情况的符号α的正确解释是“墙背与墙底水平投影的夹角”。
The symbol α, which reflects the inclination of the back of the wall, in the formula of Kurun-type geotechnical pressure is often interpreted or interpreted as the angle between the back of the wall and the horizontal plane (ie, the angle of the back of the wall). The analysis shows that this interpretation or understanding is wrong and will lead to the failure of the geotechnical pressure formula to be applied to the up-slope retaining wall (back-up slope), resulting in that the up-slope retaining wall (backward slope) The consequences of the design of the wall rock load. The correct interpretation of the symbol α in these formulas, which reflects the inclination of the back of the wall, is the angle between the horizontal projection of the back of the wall and the bottom of the wall.