202011· Consequently, BD2 was modified into Blast Design 3 (BD3) to improve the fragmentation without exceeding the drilling and blasting cost of BD1. The modification was done by increasing the powder
630· Evaluation of fragmentation efficiency is an integral aspect of blasting operation. This study therefore assesses the efficiency of fragmentation size at Eminent granite quarry, …
21· Rock fragmentation by blasting is still among the most challenging of problems in geomechanical engineering. The intent of this work is not to develop…
2019221· About this four-part series. In 1963, Pit & Quarry published a series of articles on the mechanics of blasting authored by Richard Ash, a longtime professor of mining …
313· The most critical blast design parameter in quarry blasting is the powder factor because its value considerably affects the efficiency of the blasting. As the powder factor …
630· Evaluation of fragmentation efficiency is an integral aspect of blasting operation. This study therefore assesses the efficiency of fragmentation size at Eminent granite quarry, …
202011· determination of bench blast design parameters for limestone quarry at gable okheider, al ain el sukhna – west of gulf of suez, egypt January 2020 JES Journal of …
20201222· The problems related with the design and optimization of blasting operations have been discussed in many For this purpose, a database was compiled from 97 blasting …
2019221· About this four-part series. In 1963, Pit & Quarry published a series of articles on the mechanics of blasting authored by Richard Ash, a longtime professor of mining …
2009913· Quarry blasting design parameters. in optimization of the quarry bench blasting . and the segmentation accuracy was above 95.65% for both limestone and granite …
201911· The coordinates of these areas are given in Table 1. Dangote Quarry is of marble deposit while the remaining five quarries are of granite deposits. Table 1. Locations of the …
201911· The coordinates of these areas are given in Table 1. Dangote Quarry is of marble deposit while the remaining five quarries are of granite deposits. Table 1. Locations of the …
202511· Design 2: This is a traditional optimization model that does not account for variations in rock mass quality; instead, it uses fixed blasting and other production costs for …
2017101· In this study, drilling and blasting design parameters (such as hole diameter, hole depth, hole distance and burden) were investigated and evaluated for their effect on the …
630· The proposed design using ICI-Explosive and Kuz-ram found that the fragmentation size of 50 cm passed the 89.10% sieve and the cost of blasting was Rp. …
Blasting is an important aspect of mining activities in which fragmentation is the key component that determines its efficiency. Blasting efficiency can be evaluated by different design …
1215· This research work assessed the Drilling and Blasting Techniques at the Granite Quarry of AFDIN Construction Company Limited, Katsina State, Nigeria. F., …
96· Blasting produces energy to fragment the rock mass in mining, quarry and civil engineering projects. In mining and quarrying operation, blasting aims to extract the largest …
202011· determination of bench blast design parameters for limestone quarry at gable okheider, al ain el sukhna – west of gulf of suez, egypt January 2020 JES Journal of …
Bench Blasting Design for Optimum Recovery of . Bench Blasting Design for Optimum Recovery of Blocks in Dimension Stone Quarries A Case Study of Crushed Rock Industry Supare …
quent fragmentation. Effective blasting and fragmentation are essential for maximizing the efficiency of mining operations. Proper fragmentation can s. gnificantly impact downstream …
1215· This research work assessed the Drilling and Blasting Techniques at the Granite Quarry of AFDIN Construction Company Limited, Katsina State, Nigeria.
Several blast operations were conducted using both traditional and modified blasting design parameters on the same ore bench with the same geological conditions. Loading times of the …
Optimization of Blast Design Parameter for Ring Blasting in Underground Hard Rock Mine Using Numerical Simulation Abad SVANK, Khandelwal M (2015) Feasibility of ANFIS model for …
202414· The technological difficulties related with blasting operations have become increasingly significant. It is crucial to give due consideration to the evaluation of rock …
2019522· THE COLLEGE OF EARTH SCIENCES (CoES) Figure 1: Location of Mbeya Cement Company. Mbeya Cement plant. Figure 2: Design parameters for bench blasting figure below as follows: 2.3 POWDER FACTOR …