Determination of the linear correlation coefficient between Young's modulus and the compressive strength in fibre-reinforced concrete based on experimental studies

被引：3

作者：

Czajkowska, Agnieszka ^{[1
]}

Raczkiewicz, Wioletta ^{[1
]}

Ingaldi, Manuela ^{[2
]}

机构：

[1] Kielce Univ Technol, PL-25314 Kielce, Poland

[2] Czestochowa Tech Univ, PL-42201 Czestochowa, Poland

来源：

PRODUCTION ENGINEERING ARCHIVES | 2023年 / 29卷 / 03期

关键词：

Young's modulus; compressive strength; fibre-reinforced concrete; linear regression method; linear correlation coefficient; MECHANICAL-PROPERTIES; FRACTURE PROPERTIES; REGRESSION; ALLOY;

D O I：

10.30657/pea.2023.29.33

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The test procedures for determining Young's modulus in concrete are complicated and time-consuming. Therefore, attempts to search for alternative methods of its determination are not surprising. The relationship between the value of compressive strength and Young's modulus in concrete is known. However, the strength of this relationship in fibre-reinforced concrete has not been exactly described. The article attempts to investigate the strength of the correlation between Young's modulus and the compressive strength of fibre-reinforced concrete. The influence of the amount of fibres on this relationship was also checked. Two types of specimen were used for the tests. The specimens differed in the content of steel fibres, 0.25% and 0.50%, respectively. In order to determine the correlation relationship, the method of linear regression and the coefficient of linear correlation were used. The use of the determination coefficient allowed us to examine the degree of explanation of one variable by another.

引用

页码：288 / 297

页数：10

共 46 条

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