Self-reset beam-column joint based on SMA bars and steel structure building
A beam-column joint and self-resetting technology, which is applied to buildings, building types, building components, etc., can solve problems such as loss of initial stiffness, and achieve the effects of large deformation range, good self-resetting ability, and simple structure
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[0038] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0039] On the one hand, the present invention provides a self-resetting beam-column joint based on SMA rods, such as Figure 1-6 As shown, it includes a steel beam 1, a steel column 2, a connecting plate 3 and at least two SMA rods 4, wherein:
[0040] A circular bolt hole 5 is opened in the middle of one end of the steel beam 1 and the connecting plate 3, and one end of the connecting plate 3 is fixedly connected with the steel column 2, and the other end passes through the circular bolt hole 5 through a bolt 6 (preferably a high-strength bolt). Connected with the steel beam 1, there is a space between the steel beam 1 and the steel column 2 for the steel beam 1 to rotate around the circular bolt hole 5. The hole is circular and relatively rotated.
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