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Prediction of air over pressure due to blasting in tropically weathered granite quarries in Malaysia with multi-variable regression analysis

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dc.contributor.author Bhatawdekar, RM
dc.contributor.author Mohamad, ET
dc.contributor.author Armaghani, DJ
dc.contributor.author Mahmud, N
dc.contributor.editor Dissanayake, DMDOK
dc.contributor.editor Samaradivakara, GVI
dc.date.accessioned 2022-03-23T09:53:26Z
dc.date.available 2022-03-23T09:53:26Z
dc.date.issued 2019-08
dc.identifier.citation Bhatawdekar, R.M., Mohamad, E.T., Armaghani, D.J., & Mahmud, N. (2019). Prediction of air over pressure due to blasting in tropically weathered granite quarries in Malaysia with multi-variable regression analysis. In D.M.D.O.K. Dissanayake & G.V.I. Samaradivakara (Eds.), Proceedings of International Symposium on Earth Resources Management & Environment 2019 (pp. 13-17). Department of Earth Resources Engineering, University of Moratuwa. en_US
dc.identifier.uri http://dl.lib.uom.lk/handle/123/17450
dc.description.abstract World class infrastructure is developed ai Johor Bahru city of Malaysia. Granite is the most commonly available rock for production of aggregates. Blasting is essential for breaking of rocks. Environmental effects due to blasting are associated with flyrock, ground vibration, air over pressure and dust. Some of the aggregate quarries are proximate to human habitation. Many complaints are received by quarry management from different quarries by nearby habitants for (noise) air over pressure due to the blasting. This study was undertaken to investigate different parameters which contribute to air over pressure. At the end of study, multi variable regression analysis used for correlating with air over pressure (AOp) developed. Tropically weathered granite can be classified as fresh, slightly weathered, moderately weathered, highly weathered and completely weathered. Data were collected for 110 blasts from three quarries consisting of hole diameter (mm), burden(m), stemming length(m), charge per meter(kg/m), powder factor(kg/m3), joint aperture (mm), maximum charger per delay (kg), distance of blast from monitoring point (m) and measured AOp. Sensitivity analysis varies from 0.82 to 0.98. The data is analysed with multi variable regression analysis (MVRA) and equation was developed for predicting AOp with 8 input parameters. R2 with predictor equation and measured value shows 0.66. en_US
dc.description.sponsorship Faculty of Graduate Studies, University of Moratuwa. en_US
dc.language.iso en en_US
dc.publisher Department of Earth Resources Engineering en_US
dc.subject Charge per meter en_US
dc.subject Joint aperture en_US
dc.subject Maximum charge per delay en_US
dc.subject Powder factor en_US
dc.subject Sensitivity analysis en_US
dc.title Prediction of air over pressure due to blasting in tropically weathered granite quarries in Malaysia with multi-variable regression analysis en_US
dc.type Conference-Full-text en_US
dc.identifier.faculty Engineering en_US
dc.identifier.department Department of Earth Resources Engineering en_US
dc.identifier.year 2019 en_US
dc.identifier.conference International Symposium on Earth Resources Management & Environment 2019 en_US
dc.identifier.place Colombo en_US
dc.identifier.pgnos pp. 13-17 en_US
dc.identifier.proceeding Proceedings of International Symposium on Earth Resources Management & Environment 2019 en_US
dc.identifier.email rmbhatawdekar@yahoo.com en_US


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