One of the key issues in mining is the hauling system. Truck and shovels are the most widely used transportation equipment in mines. In this paper, a two-phase simulation-based optimization is presented to maximize utilization of hauling system in the largest Iranian open-pit copper mine. In the first phase, The OptQuest for Arena software package was used to solve the optimization problem to p...

the determination of the ultimate pit limit (upl) is the first step in the open pit mine planning process. in this stage that parts of the mineral deposit that are economic to mine are determined. there are several mathematical, heuristic and meta-heuristic algorithms to determine upl. the optimization criterion in these algorithms is maximization of the total profit whilst satisfying the...

This article studies the prospects for deep seabed mining as a future viable maritime industry, and discuss commercial, operational, technical viability of mining. By use business development approach originating from we analyse opportunities virtual project, identify aspects stakeholder performance expectations, contextualised by competitive positioning identification related project risks. We...

A hot, dry wind envelopes a statuesque woman as she kneels over wind-sifted trays of tinbearing pulverized ore in Uis, Namibia. In Bolivia, a nine-year old girl scrambles down a steep pit wall yet again to refill her bucket of metal-rich sand. And yet another woman stokes the fire in her wood burning stove in the Philippines, releasing the mercury from doré in a poorly ventilated kitchen; the t...

The use of mixed integer programming is a modeling approach well suited to formulate the mine scheduling optimization problem for both open pit and underground mining. The resolution applied for discretizing the problem, however, has a direct effect on both the level of selectivity that can be applied to improve profitability, as well as the computational feasibility. The proposed model allows ...

Mixed integer programming (MIP) models are used for long-term production scheduling of open pit mines. However, formulations based on binary variables for mining blocks require too many variables and are often difficult or impossible to solve. This paper presents and tests alternative MIP scheduling models that have reduced the number of binary variables and solution times, thus increasing effi...

Open-pit mining has caused extensive land destruction, including abandonment and reduction in agricultural land, resulting serious environmental problems. Ecological restoration mine reclamation have become important components of the sustainable development strategies Inner Mongolia, China. Therefore, rehabilitation mines is vital attracted widespread attention from Chinese government. In this...

This article examines the importance of path dependence effects in impeding the diffusion of high throughput mechanized mining systems in the British coal industry. It demonstrates that the industry had become ‘locked in’ to low throughput underground haulage technology, on account of institutional interrelatedness between Britain’s traditional practice of extensive in-seam mining and its uniqu...

High-capacity wireless IP networks with limited delays are nowadays being deployed in both underground and open-pit mines. This allows for advanced remote control of mining machinery with improved feedback to operators and extensive monitoring of machine status, wear and fatigue. Wireless connectivity varies however depending on channel impairments caused by obstacles, multi-path fading and oth...

The particulate pollution in the open-pit coal mines of China is particularly severe winter. aim this study to understand characteristics matter (PM) winter and provide a basis for prevention control pollution. We took problem PM concentration at bottom Haerwusu Open-pit Coal Mine (HOCM) as research object. Dust monitoring equipment two measurement points different heights were positioned conti...