Precision control for installation of foundation column of oil sealed dry-type gas tank

During the installation of the oil sealed dry type gas tank,the demand of mounting precision for foundation column is very high.In this paper,through some analysis on reasons of having effects on the mounting precision,some methods to make sure of the precision have been worked out.In demand for high precision in mounting engineering,measuring is a key point,through eliminating random and system errors re- suited in measurement process,the requirements of measuring and positioning precision are met and the mount- ing precision for structural parts is guaranteed with some necessary rigid fixings.