>Application of PSO to develop a powerful equation for prediction of
Request PDF | Application of PSO to develop a powerful equation for prediction of flyrock due to blasting | Drilling and blasting is a widely-used method for rock fragmentation in open-pit mines ...
>Construction Blasting and Alternative Non-Explosive …
lots. Rock is often encountered in deep excavations and this would require the use of rock blasting or alternative means to break up the rock, such as using chemicals or expansive cements, or other methods now available in Malaysia. Many of the areas slotted for development are already surrounded by high rise buildings and other amenities. It is
>Flyrocks – Detection and Mitigation at Construction Site in Blasting …
Flyrock, also known as rock throw is the uncontrolled driving of rock wastes produced in blasting and founds one of the key causes of material damage and harm to people.
>(PDF) Geology and Blasting Practices Impacting Fly Rock Accidents
>malaysia flyrock from rock blasting – Grinding Mill China
Contour Blasting. Computer Calculations for Rock Blasting. Blast Performance Control. Flyrock. » More detailed! fly rock solution in mining – process crusher … South Africa, Zimbabwe, Australia, Germany, Ghana, USA, Philippines, Malaysia … Flyrock and lack of blast … fly rock, distance from blasting … » More detailed! Mine Drilling ...
>A Risk-Based Technique to Analyze Flyrock Results …
Keywords Blasting Flyrock distance Risk assessment Rock engineering systems 1 Introduction Blasting is a well-known method for rock mass breakage in underground and surface mines. As reported by number of researchers, only 20–30% of the total amount of explosive energy is used for fragmentation purpose and the rest of the energy is
>(PDF) Evaluation and prediction of flyrock resulting from blasting …
The blasting in the igneous rock intrusion area of the 21,914 working face is taken as an application example, and the damage degree of rock mass is reasonably evaluated by the box-counting ...
Risk Assessment and Prediction of Flyrock Distance by
Keywords Flyrock distance Multiple regression model Monte Carlo approach Sensitivity analysis 1 Introduction Blasting is a common technique for rock mass removal and is widely used in civil and mining applications (Bhandari ... parameters on flyrock. To do this, a quarry blasting site in Malaysia is selected and relevant data are collected ...
>Effect of geological structure and blasting practice in fly rock
A new hybrid intelligent system of extreme learning machine (ELM) optimized by biogeography-based optimization (BBO) for prediction of flyrock distance resulting from …
>Effects of Quarry Blasting Towards the Residential Area …
the intended blasting area to the nearest residential or industrial area (Environmental Requirements: A Guide for Investors 2010). However, this limit has been on the stake when a tragic blast caused a flyrock incident to occur on the 19th of July 2013 at Masai quarry near Seri Alam, Johor, Malaysia. Flyrock are rocks ejected from the blast surface
>A Fuzzy Rule-Based Approach to Address Uncertainty in …
KEY WORDS: Flyrock, Risk assessment, Rock engineering system, Uncertainty. INTRODUCTION Blasting is a rock-explosive interaction system. After an explosion, explosive discharges gases that generate pressures to the order of a few GPa. What comes out of blasting operation mainly depends on properties of the utilized explosive, rock mass, blast
>Blasting-induced flyrock and ground vibration …
The damage induced by flyrock and ground vibration in rock blasting has been a serious ... Malaysia Arab J Geosci. demonstrated that in ascending order, blast ability index,
>The effect of geological structure and powder factor in …
One of the undesirable phenomena in the blasting operation is flyrock, which is a propelled rock fragment by explosive energy beyond the blast area. A flyrock accident occurred …
>(PDF) Flyrock in bench blasting: a comprehensive review ;A …
Flyrock is unwanted throw of rock fragments during bench blasting in mines and civil constructions. Perfunctory attempts by researchers to predict the flyrock range using mathematical, empirical and ANN based models do not address the issue in ... Oxford and IBH Publishing, New Delhi, pp 279–308 Blanchier A (2013) Quantification of the levels ...
>Measurement and Prediction of Blast-Induced Flyrock
Flyrock is an unavoidable and unpredictable by-product of blasting rock, and because of the way in which flyrock is defined or characterized varies from jurisdiction to jurisdiction the incidence ...
>Machine learning based prediction of flyrock distance in rock blasting …
According to Raina and Bhatawdekar [9], flyrock is defined as the extraordinary propulsion of fractured rock by explosive energy.Mariz and Soofastaei [10] explained it as the unexpected propulsion of rock material owing to the high force of the explosive substance during blasting. Considering the detrimental consequences of blasting on the environment, flyrock …
>malaysia flyrock from rock blasting
Malaysia Flyrock From Rock Blasting. Home / Malaysia Flyrock From Rock Blasting . Flyrock Dangers Best Practices Mine Safety and Health. Flyrock the fragments of rock thrown and scattered during blasting is responsible for a large proportion of all blasting-related injuries and fatalities. Flyrock is a potential hazard anytime and anywhere ...
>Effect of Geological Structure on Flyrock Prediction in …
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>Blast-induced flyrock: risk evaluation and management
Nonlinear models and Monte Carlo (MC) simulation. 260 data points from Malaysia. Q max has the greatest effect on flyrock. 3. 2018: ... However, when there is some abnormality in a blast or rock formation, flyrock has been known to travel much further than the calculated distance known as "wild flyrock" (Fletcher and D'Andrea, 1990; ...
>A Novel Combination of Tree-Based Modeling and Monte
Ye et al. (2021) used GP and RF models to predict blast-induced flyrock in six quarry mines in Malaysia, considering 262 blast instances, 20% of which were used for testing purposes, encompassing ...
>A SVR-GWO technique to minimize flyrock distance resulting from blasting
Flyrock is one of the most important environmental and hazardous issues in mine blasting, which can affect equipment and people, and may lead to fatal accidents. Therefore, prediction and minimization of this phenomenon are crucial objectives of many rock removal projects. This study is aimed to predict the flyrock distance with the use of machine learning …
>Effect of Geological Structure on Flyrock Prediction in Construction
One of the undesirable phenomena in the blasting operation is flyrock, which is a propelled rock fragment by explosive energy beyond the blast area. A flyrock accident occurred during a blasting ...
>Adaptive Weighted Multi-kernel Learning for Blast …
sidered as the main hazard of blasting operations, because it may cause fatal or non-fatal events (Bajpayee et al. 1999). The blast-induced yrock phenomenon is dened as the bro-ken rock particles boosted far from the free face after blast-ing operations (Yari et …
Evaluation and prediction of flyrock resulting from blasting …
Flyrock may cause damage to structures and injury to human. Therefore, flyrock prediction is required to determine safe blasting zone. In this regard, 232 blasting operations …
>Risk Assessment and Prediction of Flyrock Distance by
Flyrock is considered as one of the main causes of human injury, fatalities, and structural damage among all undesirable environmental impacts of blasting. Therefore, it seems that the proper prediction/simulation of flyrock is essential, especially in order to determine blast safety area. If proper control measures are taken, then the flyrock distance can be controlled, …
>ORELM: A Novel Machine Learning Approach for …
A Novel Machine Learning Approach for Prediction of Flyrock in Mine Blasting The Ulu Tiram quarry site is located 18 km northeast of Johor city, at 103 29¢20¢¢ E lon-
>Effects of Quarry Blasting Towards the Residential Area …
Flyrock are rocks ejected from the blast surface at high speed that may cause injuries and damages to surrounding environment, people, buildings and vehicles.
>(PDF) Causes of Fly Rock Accidents in Johor Blasting …
Rock blasting results in the fragmentation along with environmental hazards such as fly rock, ground vibration, air-blast, dust and fumes. ... 3.0 FLYROCK ACCIDENT IN MALAYSIA 3.1 Background On July 2015, rock blasting contractor held a rock blasting work at a construction site in Johor. The rock blasting work was for levelling construction ...
>EFFECT OF GEOLOGICAL STRUCTURE AND BLASTING PRACTICE IN FLY ROCK
Most of the common accidents associated with blasting are due to fly rock. A fly rock accident had occurred on 15 July 2015 at a construction site at Johor, Malaysia. ... Mohamad, E. T., Armaghani, D. J., and Motaghedi, H. 2013. The Effect of Geological Structure and Powder Factor in Flyrock Accident, Masai, Johor, Malaysia. Electronic Journal ...
>sbm malaysia flyrock from rock blasting.md
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