Shortwall definitions
| Word backwards | llawtrohs |
|---|---|
| Part of speech | Shortwall is a noun. |
| Syllabic division | The syllable separation of the word "shortwall" is short-wall. |
| Plural | The plural of the word shortwall is shortwalls. |
| Total letters | 9 |
| Vogais (2) | o,a |
| Consonants (6) | s,h,r,t,w,l |
Shortwall: A Comprehensive Guide
Shortwall is a term used in underground coal mining to describe a type of mining layout. It involves the use of a continuous miner to cut a series of adjacent entries into the coal seam, creating a shortwall face to facilitate efficient extraction.
How Does Shortwall Mining Work?
In shortwall mining, a continuous miner is used to cut a series of parallel entries into the coal seam, typically ranging from 100 to 200 feet in length. These entries are connected by crosscuts, allowing miners and equipment to move freely throughout the shortwall panel.
The continuous miner extracts coal from the shortwall face, which is typically between 50 to 150 feet in height. As the miner advances along the shortwall, hydraulic roof supports are installed to prevent roof collapses and maintain a safe working environment.
Advantages of Shortwall Mining
One of the key advantages of shortwall mining is its flexibility and adaptability. Unlike longwall mining, which requires a continuous face for extraction, shortwall mining can be used in irregularly shaped deposits or areas with difficult geology.
Shortwall mining also offers greater control over the extraction process, allowing miners to adjust the length and configuration of the shortwall panel based on changing geological conditions or production requirements.
Challenges of Shortwall Mining
While shortwall mining offers many benefits, it also presents certain challenges. The relatively small size of shortwall panels can limit production rates compared to longwall mining. Additionally, the installation and maintenance of roof supports can be labor-intensive and time-consuming.
Despite these challenges, shortwall mining remains a valuable method for extracting coal in certain mining conditions. By combining the flexibility of room and pillar mining with the automation of longwall mining, shortwall mining offers a unique approach to underground coal extraction.
Shortwall Examples
- The contractor built a shortwall to separate the living room from the dining area.
- The shortwall in the office created a sense of privacy for each cubicle.
- The shortwall was painted a vibrant red to add a pop of color to the room.
- She leaned against the shortwall, waiting for her turn to speak.
- The shortwall was adorned with intricate designs, showcasing the craftsmanship of the artist.
- He installed a shortwall to define the boundary of his property.
- The shortwall featured a built-in bookshelf for added functionality.
- The shortwall provided a backdrop for the artwork displayed in the gallery.
- The shortwall had a hidden door that led to a secret storage room.
- She sat on the shortwall, taking in the view of the city skyline.