| The application of steel pipe concrete pillar has more than one hundred years, whose study theory is approaching consummate, This paper briefly reviews the application and development of steel pipe concrete pillar, and introduces the comparatively mature theory-unite theory of steel pipe and concrete. By means of actual project, this paper refers the necessity of application of steel pipe concrete pillar and the structural style in high-rise architecture. This paper presents the formation, working mechanism , merit and demerit of several common connection details of concrete-filled circular steel tube column and steel beam. The connections can be categorized as through column and through—beam types with different design concepts. The paper also introduces a new type of connection for concrete filled circular steel tube column and steel beam, using bolted end plates. The characters. research situation and engineering application of concrete-filled steel tubes are introduced in this paper. The research direction of concrete-filled steel tubes is discussed. Introduction to Connections for concrete-filled steel tubes. |
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