Abstract
To investigate the seismic performance of the hollow slab-column structure, the lateral low-period cyclic loading tests on a single span 2-storey frame were carried out. The crack distribution, hysteresis properties, strength degradation and stiffness degradation, ductility, energy dissipation capacity and destruction mode were analyzed. The experimental results indicate that: the hollow slab-column structure under lateral low-period cyclic horizontal loading is very similar to equivalent beam with imperfect failure mechanism of hinges. At the beginning of the experiment, the stiffness of the component degrades rapidly, and the equivalent viscous damping coefficient also decreases rapidly. During the loading process, the horizontal displacement of the first floor is twice as much as that of the second floor. The degradation of the component stiffness and the equivalent viscous damping coefficient tend to be stable in the end. The hollow slab-column structure has good ductility and the decrease of the strength is not obvious. But the hysteresis curve indicates obvious slip pinching phenomenon, and the energy dissipation capacity is limited.
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