Application of GPS technology to subsidence monitoring of building

In pace with enlargement of human beings' life and production realm unceasingly, more and more large-scale buildings and the industry facility appear.As a result of influence by many kinds of factor,these big buildings and the heavy facility can have some degree of deformation in the operation process.the deformation in certain range is permissible,but when it surpasses the permissible value,the deformation can turn into disasters.To prevent these disasters,it is necessary to monitor the deformation,analyze its cause and summarize its development rule.At present the building deformation monitoring technology and the method are very many.Because of high accuracy,high benefit and all-weather,GPS localization technology is well liked.This article introduced in detail the formation of the GPS positioning system,the basic principle of the localization,the design of the deformalion monitoring network,the implementation of the deformation monitoring plan and the error elimination of deformation measurements.The work done in this paper give a reference to deformaton monitoring and measurements of buliding by use of GPS technonlogy.