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Influence of the rock mass structure and the blasting technique on blast results in the Heliopolis quarry

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Category: Content №1 2024

Last Updated on 29 February 2024

Published on 30 November -0001

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Authors:

F.Bahloul*, orcid.org/0009-0007-0560-6756, Natural Resources and Planning Laboratory, Mining Department, Faculty of Earth Sciences, Badji Mokhtar University, Annaba, Algeria, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

A.Hafsaoui, orcid.org/0000-0002-1720-9527, Natural Resources and Planning Laboratory, Mining Department, Faculty of Earth Sciences, Badji Mokhtar University, Annaba, Algeria

A.Idres, orcid.org/0000-0001-8029-0930, Laboratory of Mining Resources Valorization and Environment (LAVAMINE), Mining Department, Faculty of Earth Sciences, Badji Mokhtar University, Annaba, Algeria

F.Boutarfa, orcid.org/0000-0001-5182-7559, Laboratory of Mining Resources Valorization and Environment (LAVAMINE), Mining Department, Faculty of Earth Sciences, Badji Mokhtar University, Annaba, Algeria

A.I.Kanli, orcid.org/0000-0001-5642-5866, Istanbul University-Cerrahpasa, Istanbul, Turkey

A.Benselhoub, orcid.org/0000-0001-5891-2860, Environmental Research Center (C.R.E), Annaba, Algeria

* Corresponding author e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

повний текст / full article

Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2024, (1): 020 - 025

https://doi.org/10.33271/nvngu/2024-1/020

Abstract:

Purpose. To find a relative methodology which will help the systematic analysis of the parameters influencing the blasting plan and a better understanding of the mechanisms of fragmentation of rocks with explosives.

Methodology. The approach uses the Kuz-Ram model to predict blast performance. Three models were used to consider the effect of blast plan geometry on the quality of blast rock fragmentation. A new blasting plan is proposed using the Langefors method and the Kuz-Ram empirical model. The results obtained were compared with those of previous blasts.

Findings. The research results show that the optimal fragmentation of 89.2 % with a balance between fine particles of 5.7 % and outsized blocks of 5.1 % of rocks by explosive in the Heliopolis aggregates quarry is highly dependent on the type and quantity of explosive used, the direction of initiation, and the cracks caused by the waves of shock (back effects).

Originality. The present work is concerned with the problem of the quality of rock blasting which will ultimately affect the costs of drilling, blasting and the efficiency of all mining operations. Parameters influencing the processes of rock fragmentation during mining operations are specified.

Practical value. The purpose of blasting is to disaggregate the material in order to facilitate its recovery by the extraction equipment. It is therefore necessary to correctly define the blasting plan by optimizing these geometric parameters, the nature and the quantity of explosive, the initiation sequences aim to have the right particle size distribution.

Keywords: rock mass, discontinuity, Kuz-Ram, fragmentation, fxplosive, Guelma, Algeria

References.

1. Alipour, A., & Asadizadeh, M. (2023). Rock fragment size prediction using RSM in bench blasting: a focus on the influencing factors and their interactions. Arabian Journal of Geosciences, 16(1), 61. https://doi.org/10.1007/s12517-022-11072-8.

2. Adesida, P. A. (2022). Powder factor prediction in blasting operation using rock geo-mechanical properties and geometric parameters. International. Journal of Mining and Geo-Engineering, 56(1), 25-32. https://doi.org/10.22059/ijmge.2021.310930.594870.

3. Jiang, X., Xue, Y., Kong, F., Gong, H., Fu, Y., & Zhang, W. (2023). Dynamic responses and damage mechanism of rock with discontinuity subjected to confining stresses and blasting loads. International Journal of Impact Engineering, 172, 104404. https://doi.org/10.1016/j.ijimpeng.2022.104404.

4. Jayasinghe, L. B., Shang, J., Zhao, Z., & Goh, A. T. C. (2019). Numerical investigation into the blasting-induced damage characteristics of rocks considering the role of in-situ stresses and discontinuity persistence. Computers and Geotechnics, 116, 103207. https://doi.org/10.1016/j.compgeo.2019.103207.

5. Xue, Y., Jiang, X., Kong, F., Li, Z., Gong, H., Yang, F., & Chen, H. (2022). Rupture of rock with discontinuities under blasting disturbance: Insights from discrete element method modeling. Simulation Modelling Practice and Theory, 116, 102486. https://doi.org/10.1016/j.simpat.2022.102486.

6. Yari, M., Ghadyani, D., & Jamali, S. (2022). Development of a 3D numerical model for simulating a blast wave propagation system considering the position of the blasting hole and in-situ discontinuities. Rudarsko-geološko-naftnizbornik, 38(2), 68-78. https://doi.org/10.17794/rgn.2022.2.6.

7. Verma, H. K., Samadhiya, N. K., Singh, M., Goel, R. K., & Singh, P. K. (2018). Blast induced rock mass damage around tunnels. Tunnelling and Underground Space Technology, 71, 149-158. https://doi.org/10.1016/j.tust.2017.08.019.

8. Gao, F., Tang, L., Yang, C., Yang, P., Xiong, X., & Wang, W. (2023). Blasting-induced rock damage control in a soft broken roadway excavation using an air deck at the blasthole bottom. Bulletin of Engineering Geology and the Environment, 82(3), 97. https://doi.org/10.1007/s10064-023-03087-6.

9. Dhekne, P. Y., Balakrishnan, V., & Jade, R. K. (2020). Effect of type of explosive and blast hole diameter on boulder count in limestone quarry blasting. Geotechnical and Geological Engineering, 38, 4091-4097. https://doi.org/10.1007/s10706-020-01280-y.

10. Ylitalo, R. M., Zhang, Z. X., & Bergström, P. (2021). Effect of detonator position on rock fragmentation: Full-scale field tests at Kevitsa open pit mine. International Journal of Rock Mechanics and Mining Sciences, 147, 104918. https://doi.org/10.1016/j.ijrmms.2021.104918.

11. Saadatmand Hashemi, A., & Katsabanis, P. (2020).The effect of stress wave interaction and delay timing on blast-induced rock damage and fragmentation. Rock mechanics and rock engineering, 53, 2327-2346. https://doi.org/10.1007/s00603-019-02043-9.

12. Hosseini, M., Khandelwal, M., Lotfi, R., & Eslahi, M. (2023). Sensitivity analysis on blast design parameters to improve bench blasting outcomes using the Taguchi method. Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 9(1), 9. https://doi.org/10.1007/s40948-023-00540-4.

13. Khadri, R., Khedidja, A., Nafaa, B., & Maha, K. (2023). Geophysical and geological contribution to determining the neritic limestone aquifer structure of Hammam Bradaa–El Fedjoudj (Seybouse medium), Northeastern Algeria. Mining of Mineral Deposits, 17(1). https://doi.org/10.33271/mining17.01.067.

14. Baazi, H. (2023). Aquifer Vulnerability Assessment by DRASTIC and SI methods: The case study of Guelma Plain, Northeast Algeria. Engineering, Technology & Applied Science Research, 13(1), 10045-10050. https://doi.org/10.48084/etasr.5520.

15. Bouaicha, F., Dib, H., Bouteraa, O., Manchar, N., Boufaa, K., Chabour, N., & Demdoum, A. (2019). Geochemical assessment, mixing behavior and environmental impact of thermal waters in the Guelma geothermal system, Algeria. Acta Geochimica, 38, 683-702. https://doi.org/10.1007/s11631-019-00324-2.

16. Aissaoui, M., Maizi, D., Benhamza, M., Azzouz, K., Belaroui, A., & Bengusmia, D. (2023). Identification and mapping of potential recharge in the Middle Seybouse sub-catchment of the Guelma region (North East of Algeria): contribution of remote sensing, multi-criteria analysis, ROC-Curve and GIS. Acque Sotterranee-Italian Journal of Groundwater, 12(1), 25-37. https://doi.org/10.7343/as-2023-628.

17. Benmarce, K., Hadji, R., Hamed, Y., Zahri, F., Zighmi, K., Hamad, A., ..., & Besser, H. (2023). Hydrogeological and water quality analysis of thermal springs in the Guelma region of North-Eastern Algeria: A study using hydrochemical, statistical, and isotopic approaches. Journal of African Earth Sciences, 105011. https://doi.org/10.1016/j.jafrearsci.2023.105011.

18. Rahma, K., Abdelhamid, K., Djamel, B., & Nafaa, B. (2023). Integrated gravity and resistivity investigationsof the deep Hammam Bradaa aquifer, Northeast Algeria: Implications for groundwater exploration. Journal of African Earth Sciences, 105013. https://doi.org/10.1016/j.jafrearsci.2023.105013.

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