Highwall definitions
| Word backwards | llawhgih |
|---|---|
| Part of speech | The word "highwall" is a noun. |
| Syllabic division | high-wall |
| Plural | The plural of the word "highwall" is "highwalls." |
| Total letters | 8 |
| Vogais (2) | i,a |
| Consonants (4) | h,g,w,l |
Highwall mining is a method of extracting coal from the seams of a coal deposit that are too deep to be reached by traditional mining methods. This technique involves cutting into the coal seam from the highwall of an open pit mine, allowing access to the coal reserves below the surface.
The Process of Highwall Mining
The process of highwall mining begins with the drilling of a series of holes into the coal seam from the highwall. These holes are then loaded with explosives, which are detonated to create a void in the coal seam. A continuous mining machine is then used to extract the coal from the seam, which is transported to the surface via a conveyor belt.
Benefits of Highwall Mining
One of the main benefits of highwall mining is that it can access coal reserves that would otherwise be uneconomical to mine using traditional methods. This allows for the extraction of coal from deeper seams, increasing the overall yield of the deposit. Additionally, highwall mining is a safer alternative to underground mining, as it does not involve the same risks associated with working in confined spaces.
Challenges of Highwall Mining
Despite its benefits, highwall mining also poses some challenges. One of the main challenges is the stability of the highwall itself, which can be compromised by the mining process. This can lead to collapses and other safety hazards. Additionally, highwall mining can be more expensive than traditional mining methods due to the specialized equipment and expertise required.
Overall, highwall mining is a valuable technique for accessing coal reserves that would otherwise be inaccessible. While it does come with its own set of challenges, the benefits of increased safety and higher yields make it a compelling option for mining companies looking to maximize their resources.
Highwall Examples
- The miners were instructed to avoid the hazardous highwall area.
- The highwall of the cliff was covered in lush green vegetation.
- The geologist examined the layers of rock exposed in the highwall.
- A protective barrier was constructed along the highwall to prevent accidents.
- The highwall loomed above the construction site, requiring special safety precautions.
- The engineer measured the stability of the highwall before beginning excavation.
- A rockfall from the highwall blocked the road, causing a traffic jam.
- The highwall provided a stunning backdrop for the outdoor wedding ceremony.
- The hiker scrambled up the steep highwall to reach the summit.
- The highwall of the ancient castle showed signs of erosion over time.