Preparation of Heterogeneous Rock-Like Samples Containing Non-Persistent Notch; Different Layout | ||
| Journal of Mining and Environment | ||
| مقاله 14، دوره 13، شماره 4، دی 2022، صفحه 1139-1157 اصل مقاله (3.31 M) | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.22044/jme.2022.12318.2235 | ||
| نویسندگان | ||
| Rahim Mortezaie1؛ Seyed Davoud Mohammadi* 1؛ Vahab Sarfarazi2 | ||
| 1Department of Geology, Faculty of Sciences, Bu-Ali Sina University, Hamedan, Iran | ||
| 2Department of mining engineering , Hamedan university of technology, Hamedan, Iran | ||
| چکیده | ||
| One of the most important tasks in conducting a laboratory research work is how to make the samples. The purpose of this research work is to create heterogeneous rock-like samples containing non-persistent notches. Regarding that, the molds with dimensions of 250 mm x 200 mm x 50 mm are made. A mixture of plaster and water with different mixing percentages is used to make the heterogeneous samples. Various techniques are also employed to create non-persistent notches on the samples. One of the methods to create a notch is to insert an aluminum blade into the groove of the mold, and finally, remove it after the plaster slurry has hardened. Due to the displacement of the blade and its tilting during slurring, the notches are out of the vertical position. In addition to the mentioned method, other methods such as water jet, cutting by thread, cutting by diamond wire cutting, cutting by rotary saw, and using hand saw are applied. Finally, using a hand saw to create a notch on the samples is chosen as the best method. | ||
| کلیدواژهها | ||
| Plaster؛ sampling؛ heterogeneous samples؛ laboratory model | ||
| مراجع | ||
|
[1]. Tsiambaos, G. and Saroglou, H. (2010). Excavatability assessment of rock masses using the Geological Strength Index (GSI). Bulletin Engineering Geoloy and the environment. 69:13–27.
[2]. Sarfarazi, V., Asgari, K., and Mohamadi Bolban Abad, Sh. (2022a). Interaction between one internal hole and two neighboring joints under uniaxial compression using an experimental test and a numerical simulation. Journal of Mining and Environment. 13 (2): 407-420.
[3]. Amini, M.S., Sarfarazi, V., and Babanouri, N. (2021). Influence of non-persistent joint sets on the failure behaviour of concrete under uniaxial compression test. Computers and Concrete. 28 (3): 289-309.
[4]. Fu, J., Sarfarazi, V., Haeri, H., Naderi, K., Fatehi Marji, M., and Guo, M. (2022a). The comparison between NBD test results and SCB test results using experimental test and numerical simulation. Advances in Concrete Construction. 13 (1): 83-99.
[5]. Bagher Shemirani, A., Haeri, H., Sarfarazi, V., Ebneabbasi, P., and Fatehi Marji, M. (2020). Investigation of the interaction between concrete-gypsum interface and internal notch using experimental test and numerical simulation. Mechanics Based Design of Structures and Machines, 1-24.
[6]. Fu, J., Haeri H., Sarfarazi V., Noshadi, A.H., Fatehi Marji, M., and Guo, M. (2022b). Investigating the failure behavior of gypsum specimens with non-persistent vertical notch under uniaxial compression. Strength of Materials. 54 (1): 14-32.
[7]. Shakeri J., Asadizadeh, M., and Babanouri, N. (2022). The prediction of dynamic energy behavior of a Brazilian disk containing nonpersistent joints subjected to drop hammer test utilizing heuristic approaches. Neural Computing and Applications. 34: 9777–9792.
[8]. Sarfarazi, V., Asgari, K., Maroof, S., and Fattahi, Sh. (2022). Effects of number and angle of T Shape non persistent cracks on the failure behavior of samples under UCS test. Computers and Concrete. 29 (1): 31-45.
[9]. Fu., J., Haeri H., Sarfarazi V., Asgari, K., and Fatehi Marji, M. (2022) The shear behavior of concrete-gypsum specimens containing double edge cracks under four-point loading conditions. Theoretical and Applied Fracture Mechanics. 119: 103361.
[10]. Fu., J., Sarfarazi V., Haeri H., Shahbazian, A., Fatehi Marji, M., Yu, Y. (2022) Study of tensile crack growth in rock-like materials under punch shear test. Theoretical and Applied Fracture Mechanics. 121: 103509.
[11]. Sarfarazi, V., Asgari, K., Zarei, M., and Ghalam, E.Z. (2022c). Behavior of F shape non-persistent joint under experimental and numerical uniaxial compression test. Advances in Concrete Construction. 13 (2): 199-213.
[12]. Yang, W., Li, G., Ranjith, P., and Fang, L. (2019). An experimental study of mechanical behavior of brittle rock-like specimens with multi-non-persistent joints under uniaxial compression and damage analysis. International Journal of Damage Mechanics. 28 (10): 1490-1522.
[13]. Haeri, H., Sarfarazi, V., and Naderi, A.A. (2021). Shear mechanism of non-persistent notches using punch shear test. Iranian Journal of Science and Technology, Transactions of Civil Engineering. 46 (1): 237-250.
[14]. Haeri, H., Sarfarazi, V., Ebneabbasi, P., Nazari maram, A., Shahbazian, A., Marji, M.F., and Mohamadi, A.R. (2020). XFEM and experimental simulation of failure mechanism of non-persistent joints in mortar under compression. Construction and Building Materials. 236: 117500.
[15]. Asadizadeh, M., Karimi, J., Hossaini, M.F., Alipour, A., Nowak, S., and Sherizadeh, T. (2022). The effect of central flaw on the unconfined strength of rock-like specimens: an intelligent approach. Iranian Journal of Science and Technology. Transactions of Civil Engineering. 46: 3679–3694.
[16]. Sarfarazi, V., Hajiloo, M., Zarrin Ghalam, E., and Ebneabbasi, P. (2020). Study of tensile behavior of Y shape non-persistent joint using experimental test and numerical simulation. Computers and Concrete. 26 (6): 565-576.
[17]. Zhou, L., Sarfarazi, V., Haeri, H., Ebneabbasi, P., Fatehi Marji, M., and Hassannezhad Vayani, M. (2021). A new approach for measurement of the fracture toughness using the edge cracked semi-cylinder disk (ECSD) concrete specimens. Mechanics Based Design of Structures and Machines. 1-22.
[18]. Asadizadeh, M., Hossaini, M. F., Moosavi, M., Masoumi, H., and Ranjith, P. (2019). Mechanical characterisation of jointed rock-like material with non-persistent rough joints subjected to uniaxial compression. Engineering Geology. 260: 105224.
[19]. Fu, J., Haeri, H., Sarfarazi, V., and Fatehi Marji, M. (2022e). Interaction between the notch and mortar–mortar interface (with different inclinations) in semi‑circular bend specimens. Iranian Journal of Science and Technology, Transactions of Civil Engineering. 46: 2747–2763.
[20]. Sarfarazi V., Abharian S., and Ghorbani, A. (2021). Physical test and PFC modelling of rock pillar failur containing two neighboring joints and one hole. Smart Structures and Systems. 27 (1): 123-137.
[21]. Yang Sh., Huang Y-H., Ranjith, P. G., Jiao, Y-Y, and Ji, J. (2015). Discrete element modeling on the crack evolution behavior of brittle sandstone containing three fissures under uniaxial compression. Acta Mechanica Sinica. 31: 871–889.
[22]. Shaunik, D., & Singh, M. (2019). Strength behaviour of a model rock intersected by non-persistent joint. Journal of Rock Mechanics and Geotechnical Engineering. 11 (6): 1243-1255.
[23]. Yaylaci M,Birinci A (2013). The receding contact problem of two elastic layers supported by two elastic quarter planes. Structural Engineering and Mechanics. 48 (2): 241-255.
[24]. Yaylaci M, Öner E, and Birinci A (2014). Comparison between Analytical and ANSYS Calculations for a Receding Contact Problem. Journal of Engineering Mechanics-ASCE. 140 (9): 4014070.
[25]. Yaylacı M and Avcar M (2020). Finite element modeling of contact between an elastic layer and two elastic quarter planes. Computers and Concrete, Vol. 26, No. 2 (2020), 107-114.
[26]. Yaylacı M, Terzi C, and Avcar M (2019). Numerical analysis of the receding contact problem of two bonded layers resting on an elastic half plane. Structural Engineering and Mechanics. 72 (6).
[27]. Stimpson, B. (1970). Modelling materials for engineering rock mechanics. International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts. 7 (1): 77-121. | ||
|
آمار تعداد مشاهده مقاله: 298 تعداد دریافت فایل اصل مقاله: 376 |
||