Abstract
The main tower of the Tsurumi Tsubasa Bridge consists of the steel shell structure for the upper part and the steel reinforced concrete structure for the lower part. To connect these two parts, a new type structure has been developed on the basis of experimental study. The shear basic test of the connection reinforcement was carried out. Then the structural model test and the large-scale structural model test on the connecting part of the main tower were carried out. It was recognized that the proposed connecting structure had enough load carrying capacity and deformation characteristic. Besides, the estimating method of shear strength and deformation characteristic of the connecting part was obtained.
Consequently, the proposed connecting structure has been applied successfully at the Tsurumi Tsubasa Bridge of Metropolitan Expressway.
