Search results for keyword: loose
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......
1036 
Sophie
flooding
Chinas Economic Development
For more than 40 years, the People’s Republic of China (PRC) has been undergoing rapid economic growth. After going through several turbulent phases, including the Great Leap Forward and the Cultural Revolution, the PRC emerged from the 1980s as an economic powerhouse......
coal roadway excavation
Coal Mine Roadway Driving
Coal mine roadway driving is a crucial part of any underground mining operation. The roadway is the main way to access the underground coal seams, and it must be carefully maintained and driven with extreme caution. Each mining company has its own procedures for roadway ......
Face support
Facing Support Facing support is an important part of any construction project. It helps support structures, holds load-bearing components in place and keeps objects from shifting due to force or other outside influences. Facing support is often made from steel, aluminum, wood or other materials. ......
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......
slope stability
Slope Stability
Slope stability is an important consideration in engineering projects, such as residential and commercial buildings, roads and bridges. Slope instability causes a variety of problems, from costly delays in construction to a potential hazard for the public. Slope stability relies on......
retaining pile
A pile is a column of material such as concrete, steel, timber, or a combination of these materials, driven or vibrated into the ground to support structures or resist tension or lateral forces. Piles are necessary for foundation engineering when there is a need for increased ground stability or f......
medium crushing
Year in Review
This year has been a year of contrasts, challenge and success with lockdowns and restrictions to control the spread of the global pandemic that has engulfed the world. In some places, the response to the pandemic has been aided by advanced technology with hot spot testing being use......
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......
Ordinary sinking method
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Cable-Tool Drilling: Channeling the Earth with a Bit and a Spade
Cable-tool drilling, also known as percussion or spudding drilling, is an age-old method of using a large bit with a weighted chisel attached to it and pounding it into the ground. This method has been used since ancient tim......
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