Abstract
Abstract The conventional blasting rock excavation method is the main means of rock breakage because of its high productivity, and it is relatively inexpensive compared to other methods. However, it raises safety concerns and can negatively impact the environment. The major disturbances that may be induced by this method include flyrock, gas emissions, and vibrations. This review discusses some nonexplosive rock breakage methods, particularly the hydraulic splitter and expansive chemical agents, that can be employed instead of the conventional blasting method and analyzes their potential effectiveness in rock breakage. Hydraulic splitting machines and expansive chemical agents were studied in the context of the literature. This review showed that hard rock breaking can be executed effectively and safely using alternative methods, which have a wide range of advantages, including safe operation, ease of use, and environmental friendliness, over conventional explosive methods. Moreover, as modern nonexplosive methods, hydraulic splitting machines and expansive chemical agents can generate pressure of up to 43 and 30–44 MPa to induce stresses in rocks, respectively. Owing to safety and environmental restrictions on conventional blasting, the application scope of the modern methods can be increased in the future.
Highlights
The conventional blasting rock excavation method is the main means of rock breakage because of its high productivity, and it is relatively inexpensive compared to other methods
To minimize the aforementioned negative impacts, artificial neural network (ANN) and another artificial intelligence techniques have been applied recently for predicting the undesirable effects induced by blasting (Table 1) [10,11,12,13,14]. This review investigates both conventional and unconventional rock breakage methods to highlight the potential negative effects of the conventional methods
Conventional blasting in open-pit mining and civil engineering projects has negative impacts on safety and the environment [23]
Summary
Abstract: The conventional blasting rock excavation method is the main means of rock breakage because of its high productivity, and it is relatively inexpensive compared to other methods. It raises safety concerns and can negatively impact the environment. To minimize the aforementioned negative impacts, artificial neural network (ANN) and another artificial intelligence techniques have been applied recently for predicting the undesirable effects induced by blasting (Table 1) [10,11,12,13,14] Against this background, this review investigates both conventional and unconventional rock breakage methods to highlight the potential negative effects of the conventional methods. Accurate prediction Efficient prediction Superior prediction Well prediction Good prediction methods and their positive contributions to the mining and construction projects
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