Abstract
Long-term coal mining under villages in our country has caused subsidence and deformation of land surface, large areas of farmland and houses has been damaged and the villages are no longer liveable. It is imminent to find a reasonable villages relocation method. This study improved traditional first later and replenish first occupation later theory, proposed a new coal village relocation theory, the dynamic balance between occupation and replenish. This new theory can solve the problem of land occupation, and pressure the reclamation project in coal village. The PSO algorithm was used to optimize the relocation planning. This new theory has been verified by the instance of Longgu mine. The result showed that, the dynamic balance between occupation and theory can effectively reduce the acquisition land area and resolve the contradiction between people and land using; The PSO algorithm can maximize the surplus land area and the per capita building land area of farmer.
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