沉沙池设计中恢复饱和系数α计算模型研究

Research on the Mathematical Model of Restoring Saturation Coefficient α in the Design of Sand Chamber

分析论证了一维超饱和输沙法恢复饱和系数α与准静水沉降法修正系数K互为倒数;在分析影响α值变化主要因素的基础上,建立了计算恢复饱和系数α的数学模型;通过误差验证分析和经过几年生产设计部门的使用情况证明,模型的研究思路正确,精度、可靠度均满足设计要求,可供生产设计单位使用。

This paper analyses and proves that the restoring saturation coefficient a of one dimension extrasaturation sediment discharge method and the modified coefficient K of the quasi-hydrostatic settlement method are reciprocals each other. On the analysis of the factors affecting the change of α-value and the practice by the production ＆ design units, the mathematical model of computing the restoring saturation coefficient α is set up. By the verification of error analysis, the research method is right, the accuracy and reliability of the model accord with the designing demands, and can be used by the production ＆ design units.