The Construction Monitoring Technology For The High Pier And Long-span Continuous Rigid Frame Bridge

In recent years, with the rapid development of the continuous rigid frame bridge, with itsspan is increasing. Prestressed concrete continuous rigid frame bridge with the comfort ofdriving, simple construction, economic cost, good appearance, structure stiffness better, largespanning capacity,the reasonable stress, and many other advantages, particularly suited forbridge across deep canyons,the big rivers, therefore widely used in practical engineering. Inthis paper,the xiarong national key highway inguizhou province from RongJiang GeLong toDouYun segment,through to the wuzeigou bridge construction monitoring,propose to themain content of the high piers and long-span continuous rigid frame bridge constructionmonitoring, and describe in the details of the construction process。Through the mass concrete temperature monitoring during construction and hydrationheat control, the high bridge pier construction monitoring, elastic modulus of concrete and theconcrete density test, the abutment stress monitoring, the processing and calculation of thepier top a,0block construction monitoring, hanging basket preloading test, the main girderstress monitoring cross section internal stress monitoring, linear control method of the upperstructure, prestressed tensioning construction monitoring of effective process control, closingthe construction monitoring, make the bridge construct smoothly and open to traffic。For otherbridges in construction process monitoring, provides the reference.