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在三峡机场第一沉降观测区进行沉降分析时，采用了带权优化回归方程系数等方法，建立了沉降模型，并作了土基的稳定分析、跑道不均匀沉降的坡度分析，为工程施工决策提供了科学依据。经竣工检验及5年半通航考验，该土基变形证明所采用的计算分析方法是正确的，符合国家标准要求。
In the settlement analysis of the first subsidence observation area of the Three Gorges Airport, a weighted optimization regression equation coefficient was used to establish a subsidence model, and a stability analysis of the soil foundation and slope gradient analysis of uneven runway were made for the construction decision. Provides scientific evidence. After the completion test and the 5-year and half-navigating test, the calculation and analysis method used in the proof of deformation of the soil base is correct and meets the requirements of the national standards.