Strength and Deformability of the Concrete Core of Precompressed Concrete Filled Steel Tube Columns of Annular Cross-Section

被引：2

作者：

Krishan, Anatoly ^{[1
]}

Astafeva, Mariia ^{[2
]}

机构：

[1] Nosov Magnitogorsk State Tech Univ, Dept Bldg Design & Construct, Uritsky 11, Magnitogorsk 455000, Russia

[2] Nosov Magnitogorsk State Tech Univ, Dept Ind & Civil Engn, Uritsky 11, Magnitogorsk 455000, Russia

来源：

2018 2ND INTERNATIONAL CONFERENCE ON BUILDING MATERIALS AND MATERIALS ENGINEERING (ICBMM 2018) | 2019年 / 278卷

关键词：

MODEL;

D O I：

10.1051/matecconf/201927803002

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The advantages of short concrete filled steel tube columns with a precompressed concrete core are presented in the article. Particular cases, where such compression is most appropriate, are listed. Taking into consideration the structural features of concrete filled steel tube columns it is recommended to calculate their bearing capacity on the basis of deformation model of reinforced concrete. The reliability of this calculation will be largely dependent on the conformity of the accepted diagram of the concrete core deformation with its actual behavior. Formulas for determining the strength of precompressed concrete core and the ultimate strain of its shortening are proposed, which allow constructing the sufficiently accurate deformation diagram.

引用

页数：5

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