Study On The Monitoring Model Of Faced Rock-fill Dam's Deformation

The deformation of Faced Rock-fill Dam is larger than other dams, so the deformation of dam body is both the main measure of safety monitor for Faced Rock-fill Dam and the most important index to weight the change of dam structure behavior. The monitoring model of deformation for Faced Rock-fill Dam is specially studied. The main contents are as fellows:(1) The characteristic and process of deformation for Faced Rock-fill Dam are analyzed, and the various influence factors on dam deformation is studied. In addition, based on the theory of Duncan-Chang model and rheological theory, the comprehensive analysis model of deformation for Faced Rock-fill Dam is established through taking the interactivity between the influence factors into account synthetically.(2) Indefinite relationship of information for Faced Rock-fill Dam and the method of determining the weight of various influence factors are studied, and the Linear combination method is put forward. The mode of indefinite relationship matrix is established by inducting the method of information allocation. Finally, analysis model of indefinite information of the sedimentation for Faced Rock-fill Dam is established.(3) Based on the theory of back analysis, the method of back analysis for combining model of BP and numerical analytical method is studied, and the corresponding back analysis model of parameter for Faced Rock-fill Dam is established.(4) The sedimentation and horizontal displacement of the DongJin dam under operation is synthetically analyzed by use of the monitoring model of Faced Rock-fill Dam deformation, and the principle of the main calculation parameters of rock-fill materials along with time is studied.