Combined with a certain foundation pit of a deformation monitoring project,this paper introduced the foundation pit of horizontal displacement observation from the aspects of the design of observation pillar and the target,observation methods,accuracy assessment,etc.

This paper, for example,the spot forced centering observation stand of the nuclear power station, discusses and summarizes up the facturing technics and the use and maintenance method of forced centering observation stand.

Due to the advanced knowledge is the division that academic profession differentiates other professions;the manifestation of advanced knowledge is the basis of building observation index system.