Journal article

Pre- and post-heating behavior of concrete-filled steel tube stub columns containing steel fiber and tire rubber

M Nematzadeh, A Karimi, A Gholampour

Structures | Elsevier | Published : 2020

Abstract

Concrete-filled steel tube (CFST) columns are increasingly used in different structures owing to their excellent load carrying capacity provided by the interaction between the concrete core and steel tube. However, there is lack of information on the design and prediction of the behavior of CFST columns with rubberized concrete core when they are exposed to elevated temperature. This paper presents a study on the axial compressive behavior of short CFST columns containing steel fiber and tire rubber particles exposed to elevated temperatures. To this effect, steel fibers were added at two volume fractions of 1% and 1.5% and tire rubber particles were added as fine aggregate at two replacemen..

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