Abstract:In order to study the seismic performances of steel-reinforced concrete composite towers under the action of vertical earthquake, the 1/18 scaled model of an actual project was tested on the shaking table. By observing the phenomenon and analyzing the results, it is concluded that the first three vertical frequencies are 18.55Hz, 20.12Hz and 22.14Hz, respectively. The acceleration responses at the mass center of the structure are maximum, and the acceleration responses of the copper structure are smaller than that of the concrete. The maximum displacement at the center of mass of the structure is 4.79mm. The structure is controlled by the vertical strong earthquake. For vertical and lateral earthquakes with the same level, the maximum horizontal acceleration always occurs later than the vertical acceleration. The vertical telescopic effect on the top of the tower is not obvious.