Profiled steel structure beam column joint for reverse construction of stiffened structure and construction method
A technology of beam-column joints and construction methods, which is applied in the direction of building structure, construction, and building material processing, can solve the problems of excessive cross-sectional size of beam-column joints, dense steel bars, and affecting building structures, etc., and achieve efficient construction methods. Save construction cost and promote the effect of value
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[0033] Example one
[0034] Such as Figure 3 to Figure 7 As shown, the stiff structure top-down steel structure beam-column connection. The stiff structure includes a frame beam 1 and a frame column 10 that are vertically intersected and fixed. The frame beam 1 is provided with an H-shaped steel beam (not shown) and a frame column 10 There is a round pipe column 3 inside. The H-shaped steel beam and round pipe column 3 are section steel structures. The outer wall of the round pipe column 3 at the beam-column node is welded with two transversely parallel steel ring plates 8, and the H-shaped steel near the beam-column node The end of the beam is sandwiched between two steel ring plates 8, and the steel ring plate 8 is also provided with a cantilever steel plate 9 along the length of the frame beam 1. The cantilever steel plate 9 has the same elevation and thickness as the steel ring plate 8 .
[0035] Specifically, a pair of transversely parallel steel ring plates 8 are welded to...
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[0041] Example two
[0042] Correspondingly, this embodiment provides a construction method for a rigid structure top-down construction method for a beam-column joint of a steel structure. Please refer to Figure 3 to Figure 7 , A construction method of a rigid structure top-down construction method for a beam-column joint of a steel structure. The construction method includes the following steps:
[0043] S001: Making the steel ring plate 8 spare: Calculate the theoretical size of the steel ring plate 8 and establish a finite element calculation model of the steel ring plate 8 to determine the actual size of the steel ring plate 8. In this embodiment, the large-scale general finite element software ANSYS 12.1 is used, the round pipe string 3 and the steel ring plate 8 with the overhanging steel plate 9 both adopt the SEHLL93 unit, and the round pipe string 3 is consolidated at both ends. The steel is Q345B, the ideal elastoplastic constitutive model is adopted, and the yield str...
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