coal pillar

简明释义

煤柱

英英释义

例句

1.During the inspection, the engineer noted that the coal pillar 煤柱 was showing signs of weakness.

在检查期间，工程师注意到煤柱 煤柱出现了弱点的迹象。

2.Removing the coal pillar 煤柱 could lead to a collapse in the mine.

去掉煤柱 煤柱可能会导致矿井坍塌。

3.In this section of the mine, the coal pillar 煤柱 has been reinforced with additional supports.

在矿井的这一部分，煤柱 煤柱已经用额外的支撑进行了加固。

4.The miners decided to leave a coal pillar 煤柱 in place to support the roof of the tunnel.

矿工们决定留下一根煤柱 煤柱以支撑隧道的顶部。

5.The size of the coal pillar 煤柱 is crucial for maintaining structural integrity.

煤柱 煤柱的大小对于保持结构完整性至关重要。

作文

The mining industry has always been a critical part of our economy, providing essential resources that power our homes and industries. One of the key concepts in underground mining is the idea of a coal pillar, which plays a vital role in ensuring the safety and efficiency of mining operations. A coal pillar (煤柱) refers to a block of coal that is left unmined to support the roof of a mine and prevent collapses. These pillars are strategically placed throughout mining sites to maintain structural integrity while allowing miners to extract as much coal as possible. In the past, mining practices often prioritized maximum extraction rates over safety, leading to dangerous conditions for workers. However, with advancements in mining technology and a greater understanding of geological formations, the importance of coal pillars (煤柱) has become increasingly recognized. Mining companies now employ sophisticated planning techniques to determine the optimal size and placement of these pillars to balance safety and profitability.The process of designing a mining layout involves careful calculations and simulations to predict how the surrounding rock will behave under stress. Engineers analyze various factors, including the weight of the overlying rock, the type of coal being mined, and the overall layout of the mine. By doing so, they can determine the necessary dimensions of each coal pillar (煤柱) to ensure stability. Moreover, the use of coal pillars (煤柱) can also help in controlling subsidence, which is the gradual sinking of the ground above a mined area. Subsidence can lead to significant damage to surface structures and ecosystems, making it crucial for mining operations to manage this risk effectively. By leaving behind strategically placed coal pillars (煤柱), miners can mitigate the effects of subsidence and protect both the environment and nearby communities.In addition to their structural functions, coal pillars (煤柱) can also have economic implications. The decision of how much coal to leave in place as a pillar can significantly affect a mining operation's bottom line. While it may seem counterintuitive to leave valuable resources unmined, the long-term benefits of maintaining a safe working environment often outweigh the immediate gains from extraction.As we move towards a more sustainable future, the role of coal pillars (煤柱) in mining will continue to evolve. There is an increasing emphasis on responsible mining practices, which prioritize worker safety, environmental protection, and community well-being. By understanding the significance of coal pillars (煤柱) in the mining process, we can appreciate the complexities involved in extracting natural resources while minimizing risks.In conclusion, the concept of a coal pillar (煤柱) is fundamental to the mining industry. It represents not only a practical solution for maintaining structural integrity but also a commitment to safety and sustainability. As the industry progresses, the knowledge and application of coal pillars (煤柱) will undoubtedly play a crucial role in shaping the future of mining operations worldwide.