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Article

Length Effect at Testing Splitting Tensile Strength of Concrete

Department of Structural Engineering, Faculty of Civil Engineering and Architecture, Lublin University of Technology, Nadbystrzycka 40, 20-618 Lublin, Poland
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Academic Editor: Pengcheng Jiao
Materials 2022, 15(1), 250; https://doi.org/10.3390/ma15010250
Received: 18 November 2021 / Revised: 23 December 2021 / Accepted: 26 December 2021 / Published: 29 December 2021
Tensile strength of concrete is the basic property when estimating the cracking resistance of the structure and when analysing fracture processes in concrete. The most common way of testing tensile strength is the Brazilian method. It has been noticed that the shape and size of specimens influence the tensile splitting strength. The experiments were performed to investigate the impact of cylinder’s length on tensile concrete strength received in the Brazilian method. During the experiment the tensile concrete strength was tested on two different sizes cylindrical specimens: 150 mm × 150 mm and 150 mm × 300 mm. Experiments were performed in two stages, with two types of maximum aggregate size: 16 mm and 22 mm. The software “Statistica” was used to perform the broad scale statistical analysis. When comparing test results for shorter and longer specimens, the increase of tensile splitting strength tested on shorter cylinders was observed (approximately 5%). However, when performing deeper statistical analysis, it has been found that the length effect was not sensitive to the strength of the cement matrix and the type of aggregate but was influenced by the aggregate size. Further experiments are needed in order to perform a multi-parameter statistical analysis of scale effect when testing the splitting tensile strength of concrete. View Full-Text
Keywords: concrete; tensile strength; length effect; size effect concrete; tensile strength; length effect; size effect
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MDPI and ACS Style

Słowik, M.; Akram, A. Length Effect at Testing Splitting Tensile Strength of Concrete. Materials 2022, 15, 250. https://doi.org/10.3390/ma15010250

AMA Style

Słowik M, Akram A. Length Effect at Testing Splitting Tensile Strength of Concrete. Materials. 2022; 15(1):250. https://doi.org/10.3390/ma15010250

Chicago/Turabian Style

Słowik, Marta, and Amanda Akram. 2022. "Length Effect at Testing Splitting Tensile Strength of Concrete" Materials 15, no. 1: 250. https://doi.org/10.3390/ma15010250

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