PENG Xiao-tong, GU Qiang. THE FAILURE MECHANISM AND PLASTIC ANALYSIS OF COMPOSITE STEEL FRAME-REINFORCED CONCRETE INFILL WALL STRUCTURES[J]. Engineering Mechanics, 2011, 28(8): 56-061.
Citation: PENG Xiao-tong, GU Qiang. THE FAILURE MECHANISM AND PLASTIC ANALYSIS OF COMPOSITE STEEL FRAME-REINFORCED CONCRETE INFILL WALL STRUCTURES[J]. Engineering Mechanics, 2011, 28(8): 56-061.

THE FAILURE MECHANISM AND PLASTIC ANALYSIS OF COMPOSITE STEEL FRAME-REINFORCED CONCRETE INFILL WALL STRUCTURES

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
  • A one-third scale specimen of composite steel frame-reinforced concrete infill wall structures with semi-rigid connections was tested under cyclic load. The failure mechanisms were analyzed and a simplified calculation method for lateral ultimate strength was proposed based on plastic theory, in which the interaction effects between steel frames and infill walls, semi-rigid connections, studs and diagonal struts forces were considered. The finite element models using ANSYS software were setup for non-linear analysis. Through a comparison of experiment results, plastic theory results and finite element results, it was found that the calculated values by plastic-theory were stable, and they underestimated the lateral ultimate strength by an amout of 7%-8%, implying the simplified calculation method is feasible. Finally the failure mechanisms were revealed.
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