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过去苏北各闸沉陷的理论计算值均远较实际观测值为大。本报告根据实测沉陷来反算地基中各土层的变形模量E,再根据室内试验求得各相应地层的压缩模量E_s,建立E和E_s的经验关系,以便求算闸基的最大沉陷值,从而改变过去计算值偏大的现象。 此外,参照流变学理论,根据观察的沉陷和时间曲线来反算粘滞系数K,同时根据室内试验数据算得各地基的理论粘滞系数K_s,从而建立了K_s与K/K_s的经验关系,以便推算闸的沉陷与时间曲线。
In the past, the theoretical calculation values for the subsidence of each gate in the northern part of Jiangsu Province were far greater than the actual observed values. In this report, based on the measured subsidence, the deformation modulus E of each soil layer in the foundation is calculated, and then the corresponding modulus of compression E_s of each corresponding layer is obtained according to laboratory tests. The empirical relationship between E and E_s is established to calculate the maximum subsidence of the foundation. Values, thus changing the phenomenon that the calculated value is too large in the past. In addition, referring to the theory of rheology, the viscous coefficient K is inversely calculated based on observed subsidence and time curves, and the theoretical viscosity coefficient K_s of each base is calculated based on laboratory test data. Thus, an empirical relationship between K_s and K/K_s is established. In order to calculate the gate subsidence and time curve.