Open AccessCompressed Concrete Filled Steel Tube Elements with Confinement Reinforcement of Concrete Core
Author(s) -
Elvira P. Chernyshova,
E Chernyshov Vladislav,
R Sabirov Rustam
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/652/1/012038
Subject(s) - reinforcement , spiral (railway) , materials science , core (optical fiber) , structural engineering , composite material , tube (container) , engineering , mechanical engineering
The purpose of this paper is to study the main features of power resistance of compressed concrete filled steel tube elements (CFSTE) with spiral reinforcement. The spiral reinforcement of a concrete core makes it possible to increase the load-bearing capacity of such structures significantly. Based on the results of performed experiments, the coefficient of indirect reinforcement efficiency among CFSTE with spiral reinforcement made 1.48 to 1.62, depending on initial concrete class. This coefficient was in the range from 1.23 to 1.33 in similar samples without spiral reinforcement. The experiments showed that a high efficiency of these structures is maintained when high-strength concrete is used in them.