Search results for keyword: tunnels
Roasting of mineral raw materials
Minerals have always been an important material used in the firing process by potters. A potters goal is to control the thermal behavior of their materials to create pieces with specific characteristics. Clay and glaze are composed of various raw mineral materials, and the firing process has to be......
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Roadway and chamber support
Tunnel Support
Tunnel support is a critical part of any underground excavation. It helps to prevent collapse of the tunnel and protect workers engaged in the tunneling process. The complexity of the tunnel support system depends on various factors, including the size and shape of the tunnel, the ......
Flash Mining
Introduction
The Freiberg mining method was developed in the city of Freiberg, Saxony, during the Middle Ages. This method was used until the late 19th century, when it was replaced by modern technologies. The Freiberg Mining Method refers to the process of extracting ore from the ground. This m......
freeze sinking
Well Shaft Drilling
Well shaft drilling is an innovative technique used to drill into the earth. This method is mainly used when creating large, deep holes or tunnels. It is commonly used in the construction industry as well as in exploration projects, such as oil and gas drilling.
The primary b......
Rammelsberg mine
Ramelsberg Mining
The Ramelsberg mining area has a long and varied history, with mining of copper, silver, and gold stretching back more than 800 years. Mining in the area ensued first with surface mining, followed by open-pit mining, and finally, underground mining. This makes the Ramelsberg min......
Basic knowledge of iron ore mining
Iron Ore Mining Basics
Mining of iron ore is a highly capital-intensive process that requires significant investment in equipment and infrastructure. It is one of the most important substances used in the production of steel, of which iron ore is the key ingredient. Primarily non-renewable, iron ......
open pit perforation
Open pit mining is a type of mining where pits are dug in the ground to remove valuable minerals and metals. Open pit mining is used when the mineral or metal to be extracted is located deeper than the surface layer, and can be mined with a more efficient and cost-effective method. This type of mi......
Physical and mechanical properties of rock mass
Introduction
Rocks as a natural material consist of numerous different minerals and they form the basis of the earth’s crust. In addition, their composition and texture determine their physical, mechanical and chemical characters. Therefore, rock mechanics deals with the interactions between roc......
photoelastic strain gauge
Introduction
Elastomeric force gauges, or extensometers, is an efficient and reliable way to measure the force exerted on a material by an applied load. This is an important aspect of industrial and civil engineering as it affects the construction and stability of structures. The calculations of ......
Communication Design of Shaft and Lane in Metallurgical Mine
Design of communication in metallurgical mine wells and lanes
1. Introduction
Metallurgical mining is an important part of the mining industry. Mining operations have always brought great convenience and progress to human beings, but they also bring along certain risks. Accidents in mining and o......
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