A MODEL FOR STRENGTH AND STRAIN ANALYSIS OF STEEL FIBER REINFORCED CONCRETE

被引：12

作者：

Marciukaitis, Gediminas ^{[1
]}

Salna, Remigijus ^{[1
]}

Jonaitis, Bronius ^{[1
]}

Valivonis, Juozas ^{[1
]}

机构：

[1] Vilnius Gediminas Tech Univ, Dept Reinforced Concrete & Masonry Struct, LT-10223 Vilnius, Lithuania

来源：

JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT | 2011年 / 17卷 / 01期

关键词：

composite; concrete; steel fiber; fiber reinforced concrete; strength; secant modulus; elastic and plastic strain; CEMENTITIOUS COMPOSITES; TENSILE; PERFORMANCE; RUPTURE; MATRIX; DESIGN; TUNNEL; BEAMS;

D O I：

10.3846/13923730.2011.561521

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The article proposes a model for strength and stain analysis of steel fiber reinforced concrete (SFRC). The model is based on general principles for creating and modelling structural composites and on reinforced concrete code. Differently from other examples, the elastic and plastic properties of the components (concrete and steel) of the introduced model are directly taken into account. The model gives an opportunity to determine tension and compression strength, the elasticity modulus of fiber concrete and the main parameters of its elasticity and plasticity. A good agreement between the obtained results and those of experiments performed by other investigators was confirmed. Differences between the ratios of theoretical and experimental values are insignificant and vary within the limits of 1.06-1.10. This model may be used for the analysis of reinforced concrete members reinforced by steel fibers (SFRC) in a dispersible way assuming stress distribution diagrams.

引用

页码：137 / 145

页数：9

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