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Analysis on cracking process of energy-saving block and invisible multi-ribbed frame walls

LI Li-feng

Abstract

Energy-saving block and invisible multi-ribbed frame structure is a completely new,economic,light-weight,energy-saving,seismic structure.Six pieces of 1/2 scale energy-saving block invisible multi-ribbed frame wall models were studied through pseudo-static test.Test results of cracking process and law of crack propagation of the wall models are analyzed and compared with those of elasto-plastic response analysis.It indicates that the results of elasto-plastic response analysis coincide with test results fairly,so that the elasto-plastic response analysis with finite element method can be used in design of the structure,and the wall of the structure can get reasonable tectonic association through parameter optimization.In addition,it is appropriate to use the material of reinforced concrete for invisible multi-ribbed frame,and the wall can meet demand of the bearing capacity in a small ratio of steel bar.

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Key concepts: Structural engineering, Cracking, Frame (networking), Block (permutation group theory), Finite element method, Process (computing), Bar (unit), Energy (signal processing)