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Based on analyzing risk factors of diversion project,synthetic risk rate and engineering insurance period,the frequency and distribution law of loss are researched on the grounds that foundation pit is submerged after diversion project ceases to be effective.And then,the standpoint that these total loss is subject to non-homogeneous compound Poisson processes is put forward.Furthermore,the collective risk model of the total loss about engineering insurance is established on the basis of construction diversion project risk.Ultimately,insurance ratemaking method for construction engineering risk and its mathematical expression are presented,which provides theoretical method for the insurance ratemaking of hydropower engineering to some extent.
Based on analyzing risk factors of diversion project, synthetic risk rate and engineering insurance period, the frequency and distribution law of loss are researched on the grounds that foundation pit is submerged after diversion project ceases to be effective. And then then, the standpoint that these total Loss is subject to non-homogeneous compound Poisson processes is put forward. Future covenants, the collective risk model of the total loss about engineering insurance is established on the basis of construction diversion project risk. Ultimately, insurance ratemaking method for construction engineering risk and its mathematical expression are presented, which provides the theoretical method for the insurance ratemaking of hydropower engineering to some extent.