Study of pilot zone construction of surface subsidence monitoring in abandoned mines

Surface subsidence problems in some abandoned mines have seriously threatened living environment.State of the art on surface subsidence monitoring both at home and abroad is overviewed in the paper.Object framework of pilot zone construction on country-level surface subsidence monitoring has been presented,choosing principle of monitoring base and layout of monitoring and burying types of monitoring stake have been introduced.Application conditions as well as merits and drawbacks of multiple mon...