关键词: 建筑物下开采, 条带开采, 固体充填开采, 地表沉陷

Abstract: At present，the strip mining and backfilling mining are often used under buildings.In order to study the surface movement and deformation law of the two methods，combined with measured data of the strip mining and solid filling mining in Huayuan mine，study on the static，dynamic surface movement and deformation regularity respectively is made.It is shown as follows：strike boundary angle is 56° in the strip mining，and strike boundary angle，uphill boundary angle，downhill boundary angle are 57°，62°，53° separately in the solid filling mining.The subsidence basin features of the two methods are basically in line with the traditional caving mining，but the dynamic surface movement and deformation regularity of the two methods are different from the traditional caving mining.During the coal mining，sinking speed of the surface points is relatively small，more than one peak appears and almost no rapid sinking active phase of traditional caving mining exists.At last，the predicted parameters of probability integral method are inversed based on the measured data of the strip mining and solid filling mining in Huayuan mine.All the study above can provide some reference and guidance for predicting surface subsidence and designing of the coal mining in similar mining area.

Key words: Under buildings mining, Strip mining, Solid backfill mining, Surface subsidence