Numerical Investigations on Analytical Models for Evaluating Seismic Performance of RC Columns Strengthened with CFRP Sheets (Part 1): Analytical Models

摘要

This paper aims at exploring analytical models based on two-dimensional finite element analysis (2D-FEA) for evaluating seismic retrofitting performance of reinforced concrete columns strengthened with FRP sheets. In order to investigate analytical models for evaluating seismic performance of reinforced concrete columns strengthened with CFRP sheets, many kinds of material models of concrete for compression and tension, steel, CFRP are introduced. What's more, failure criteria and confined model of steel are provided. Besides, the test specimens and results are shown, which are chosen as FEM analytical objects.