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Simplified Computation Algorithm of New Multi-lateral Resistant Steel-concrete Mixed Structure Under Lateral Load(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2013年04期
Page:
70-77
Research Field:
Publishing date:

Info

Title:
Simplified Computation Algorithm of New Multi-lateral Resistant Steel-concrete Mixed Structure Under Lateral Load
Author(s):
LI Liang LI Guo-qiang WANG Li
School of Civil Engineering, Chang’an University
Keywords:
steel frame and concrete core canister mixed structure buckling constraint brace lateral load equilibrium differential equation
PACS:
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DOI:
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Abstract:
According to the shortage of steel frame and concrete core canister mixed structure, the steel framebuckling constraint braceconcrete core multilateral resistant mixed structure was put forward. Simplified mechanical model of multi-lateral resistant steel-concrete mixed structure was established based on the stiffness equation principle. Stiffness calculation formulae of frame, brace steel frame and concrete tube were given, and the equilibrium differential equations of the structure were deduced according to the elastic theory. Then the lateral and internal force simplified algorithms were deduced based on boundary conditions under the inverted triangle lateral load, uniformly lateral load and topconcentrated lateral load. Finally, the reliability of the simplified algorithm was verified. The results show that the simplified algorithm has good accuracy, and it is easy for application, and can be applied for the engineering designers.

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Last Update: 2014-01-02