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Failure mechanism of circlular tunnel supported by concrete layers under uniaxial compression: Numerical simulation and experimental test by Jinwei Fu; Hadi Haeri; Vahab Sarfarazi; Amir Aslan Naderi; Shirin Jahanmiri; Jafar Jafari; Mohammad Fatehi Marji is a Engineering article available to read on EtoBox.
What is Failure mechanism of circlular tunnel supported by concrete layers under uniaxial compression: Numerical simulation and experimental test about?
Under this study, particle flow code modeling and experimental testing were used to examine the failure behavior of a pre-holed rocklike specimen including concrete interlayers in uniaxial compression. Rectangular pre-holed gypsum samples with interlayer concrete have been made specifically for this purpose. The sample's measurements were 150 mm\*150 mm\*50 mm, and the hole's diameter was 20 mm. Changes were made to the concrete's length, location, and number. There were 0 and 20 mm between the concrete layer and the hole. The lengths of the concrete were 50, 100, and 150 mm. 20 mm thick concrete was used. This complex was quantitatively tested and simulated under uniaxial loading circumstances. 13 experiments in all have been performed. The findings show that concrete length, concrete layer number, and concrete circumstance all have an impact on the crack growth trajectory. Two tensile fractures started in the hole wall while it was in the middle of the concrete layer and spread parallel to the loading axis until coalescing with the sample edges. By increasing the distance between the concrete layer and the hole, more tensile cracks and oblique fractures occurred. By lengthening t
Who reads Failure mechanism of circlular tunnel supported by concrete layers under uniaxial compression: Numerical simulation and experimental test?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Jinwei Fu; Hadi Haeri; Vahab Sarfarazi; Amir Aslan Naderi; Shirin Jahanmiri; Jafar Jafari; Mohammad Fatehi Marji
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)