Research on optimal intensity decision model of building seismic fortification based on grid and radar map
At present,the research on optimal intensity of seismic fortification of buildings is mainly based on economy or safety.However,reasonable optimal intensity of seismic fortification of buildings needs comprehensive consideration of economic and safety indexes.In this paper,the research area is meshed,seismic risk analysis is carried out based on the historical seismic data around it,and economic index and safety index are taken as the evaluation index of the optimal intensity of seismic fortification,the weight of each index is determined by the game theory combination weighting method,and the decision model of the optimal intensity of seismic fortification of buildings is established based on the grid and radar map.The model is applied to the study of seismic fortification of steel-concrete structure and brick-concrete structure in Chongzhou city,Sichuan Province.Through comparative analysis of the model data,it is found that when the steel-concrete structure is fortified at 8 degrees,the comprehensive efficiency of seismic fortification increases by 57.2%,29.6%and 3.9%,respectively,compared with 6 degrees,7 degrees and 9 degrees.When the brick-concrete structure is fortified according to 8 degrees,the comprehensive efficiency of seismic fortification is increased by 60.6%,19.2%,2.4%and 1.9%,respectively,compared with that without fortification,6 degrees,7 degrees and 9 degrees.Therefore,when the steel-concrete structure and brick-concrete structure of Chongzhou city are fortified according to 8 degrees,the seismic fortification intensity is the best,and the comprehensive benefit of seismic fortification is the best,which verifies the validity of this model.
seismic fortificationgrid divisiongame theoryradar mapdecision model
万方数据
维普
