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In recent years, environment protecting is cared by people much more than before, and solid clay brick is being absent from market gradually. It is essential to develop a new engineering structure System of low mass-high strength, economic on energy, se -ismic, protecting environment, and utilizing‘three waste’. The research of a new sty -le material which can economize energy resources, stuff and water become the pivot -al research. Then the research of concrete sandwich slab is on the time.CS Panel Structure is a new structure assembled by concrete sandwich slab. This type of CS panel structure has many excellent properties such as:energy insulating, environment protecting, easy to be constructed and so on. But the mechanical behavior of CS Panel Structure is not clear. So the research of this structure does not permit of any delay.Before this experiment, much experimental research has been done by the civil engineering department of Tianjin University. Especially, An Experimental Study on Earth -quake-Resistance Performance of a three-story model of 1 /2.8 scale of CS panel structure building with Structure Column has also been done in 2006, and a lot of results have been achieved. Based on these work, in this paper, a same model of CS panel structure without structure column building has been designed and made according to the similarity theory of the model. The experimental research and theory analysis were done when the model of the structure was subjected to repeated and reversed loadings slowly applied on the top. The questions such as damage mecha–nism, hysteretic behavior, ductility, the ability of energy dissipation have been emphatically studied, and two different models have been compared.In this paper, based on the experiment results, the internal force of CS panel structure has been completed, and the design formula of CS panel with reinforcing steel bar was deduced depend on the RC design theory, then some structural suggestions were presented.Finally, the conclusion was reached based on the experiment study and theoretical analysis, and some suggestions on study of CS Panel Structure in the future were presented.
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