Abstract In the process of Open-pit mining in China, throwing blasting is an important method, which very likely to cause serious damage slope discharge field under action vibration load blasting. With background Heidaigou open-pit mine Ordos, velocity data were collected from near blast, and signal blast was analyzed by means Fourier transform obtain characteristics wave attenuation law predic...

one of the main concerns of the mining industry is to determine ultimate pit limits. final pit is a collection of blocks, which can be removed with maximum profit while following restrictions on the slope of the mine’s walls. the size, location and final shape of an open-pit are very important in designing the location of waste dumps, stockpiles, processing plants, access roads and other surfac...

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 ...

In recent years, there has been a decline in the efficiency of coal mining by traditional methods. On one hand, volume outside contour cut, which is economically impractical for open-pit mining, increasing. other when using underground geotechnology, cost production exceeds performing operations open this due to differences factors operation pit and mine. This circumstance determines use open-u...

Sustainability assessment has received numerous attentions in the mining industry. Mining sustainability includes the environmental, economic, and social dimensions, and a sustainable development is achieved when all these dimensions improve in a balanced manner. Therefore, to measure the sustainability score of a mine, we require an approach that evaluates all these three dimensions of mining ...

the paper presents the case study of the current formation of a brazilian pit lake from an iron ore mining activity. the water used for the filling of the lake comes from rain, ground water and the complementary pumpage from a close river. at its final stage, which will be reached around year 2018, lake aguas claras will have a surface area of 0.67 km2 and the depth of 234 m, which will make it...