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水下地形的稳定性问题一直是港口、航道部门关注的问题之一。本文尝试将极限误差原理引进水下地形稳定性的研究工作中,以排除测量工作中不可避免的偶然误差对判定的影响。在确定水下地形稳定性指标时,特别考虑了深度误差对平面位置的影响,并指出在深度梯度较小的情况下,这种影响几乎是确定稳定性指标的决定因素。最后以实例说明了判定的基本方法。
The stability of the underwater terrain has always been one of the concerns of the port and waterway departments. This paper attempts to introduce the principle of limit error into the research work of underwater topography stability in order to eliminate the influence of the accidental error in the measurement work on the judgment. In determining the stability of underwater terrain, the influence of depth error on the position of the plane is especially considered, and it is pointed out that this effect is almost the decisive factor to determine the stability index when the depth gradient is small. Finally, an example is given to illustrate the basic method of judgment.