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通过引入空间三维坐标，阐述了确定性空间位移场的建模机理及方法，即水压分量、温度分量及时效分量均采用有限元计算结果．应用粘弹性有限元模拟大坝的加荷过程，通过计算粘性位移，经拟合得时效分量．结合三峡工程临时船闸３ ＃ 坝段，建立其位移确定性模型．
By introducing the three-dimensional coordinates of space, the modeling mechanism and method of deterministic spatial displacement field are expounded. The hydraulic components, temperature components and aging components are all calculated by finite element method. The viscoelastic finite element method was used to simulate the loading process of the dam. The viscous displacement was calculated and the aging component was fitted. Combined with the section 3 # of the temporary lock of the Three Gorges Project, a deterministic model of displacement is established.