With bottom protection, the stability and possible destructive zone of bottom and slope of the cushion pool are studied according to time-average pressure, fluctuating pressure and uplift force.

• 在水垫塘平底板（护底）情况下，根据测试出的时均压力、脉动压力和上举力分布分析了底板及边坡的稳定性，以及可能破坏的范围；