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Computers and Concrete Volume 33, Number 3, March 2024 , pages 265-273 DOI: https://doi.org/10.12989/cac.2024.33.3.265 |
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Numerical simulation of wedge splitting test method for evaluating fracture behaviour of self compacting concrete |
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Raja Rajeshwari B., Sivakumar M.V.N. and Sai Asrith P.
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| Abstract | ||
| Predicting fracture properties requires an understanding of structural failure behaviour in relation to specimen type, dimension, and notch length. Facture properties are evaluated using various testing methods, wedge splitting test being one of them. The wedge splitting test was numerically modelled three dimensionally using the finite element method on self compacting concrete specimens with varied specimen and notch depths in the current work. The load - Crack mouth opening displacement curves and the angle of rotation with respect to notch opening till failure are used to assess the fracture properties. Furthermore, based on the simulation results, failure curve was built to forecast the fracture behaviour of self-compacting concrete. The fracture failure curve revealed that the failure was quasi-brittle in character, conforming to non-linear elastic properties for all specimen depth and notch depth combinations. | ||
| Key Words | ||
| finite element method; fracture properties; numerical simulation; self compacting concrete; wedge splitting test | ||
| Address | ||
| Raja Rajeshwari B.: Department of Civil Engineering, Vardhaman College of Engineering, Telangana, India Sivakumar M.V.N. and Sai Asrith P.: Department of Civil Engineering, National Institute of Technology (NIT) Warangal, Telangana, India | ||