gob caving

简明释义

采空区落顶

英英释义

例句

1.After the heavy rains, there was a risk of gob caving in the old coal mine.

大雨过后，老煤矿面临着采空区塌陷的风险。

2.Safety measures were implemented to prevent gob caving during the mining operation.

在采矿作业期间，实施了安全措施以防止采空区塌陷。

3.The mine workers were trained to recognize the signs of gob caving.

矿工们接受了识别采空区塌陷迹象的培训。

4.The engineers conducted a survey to assess the likelihood of gob caving in the area.

工程师们进行了调查，以评估该地区发生采空区塌陷的可能性。

5.Workers were evacuated immediately when gob caving was detected.

当检测到采空区塌陷时，工人们立即被疏散。

作文

In the mining industry, especially in coal mining, terms and techniques can often be quite specialized and may not be familiar to the general public. One such term is gob caving, which refers to a method of underground mining. This technique involves allowing the roof of a mined area to collapse into the void left by the extraction of coal. The process is both a strategy for managing the mine's structural integrity and a means of maximizing resource recovery. To understand gob caving better, it is essential to consider the context of its application. In conventional mining operations, once a section of coal has been mined, the empty space, or 'gob', can lead to potential hazards such as subsidence, where the ground above sinks or collapses. Gob caving takes advantage of this by intentionally allowing the mined-out areas to cave in, reducing the risk of unexpected collapses and helping to stabilize the surrounding rock formations.The advantages of gob caving are numerous. Firstly, it allows for a more efficient use of the mined area. By permitting the roof to collapse, miners can extract more coal from the same area without needing to support the roof artificially. This not only increases productivity but also reduces the costs associated with supporting structures. Additionally, gob caving can help manage the environmental impact of mining by minimizing the amount of surface land that is disturbed.However, like any mining technique, gob caving comes with its own set of challenges. Safety is a primary concern, as the caving process must be carefully controlled to prevent uncontrolled collapses that could threaten the lives of miners. Furthermore, the geological conditions of the mine must be thoroughly assessed to ensure that gob caving is a viable option. If the surrounding rock is not stable enough, the risks could outweigh the benefits.Moreover, gob caving can lead to issues related to groundwater management. When the roof collapses, it can create pathways for water to flow into the mine, potentially leading to flooding or other complications. Therefore, effective water management strategies must be implemented alongside gob caving practices to mitigate these risks.In conclusion, gob caving is a significant technique in the field of underground mining, particularly in coal extraction. It provides an efficient means of resource recovery while also addressing some of the structural challenges posed by traditional mining methods. As the industry continues to evolve, understanding and mastering techniques like gob caving will be crucial for ensuring safety, efficiency, and sustainability in mining operations. With careful planning and execution, gob caving can play a vital role in the future of mining, balancing economic needs with environmental stewardship.

在采矿行业，特别是煤炭开采中，术语和技术往往非常专业，普通公众可能不太熟悉。其中一个术语是gob caving，它指的是一种地下采矿方法。该技术涉及允许被开采区域的顶部坍塌到煤炭提取留下的空隙中。这一过程既是管理矿井结构完整性的策略，也是最大化资源回收的一种手段。要更好地理解gob caving，必须考虑其应用的背景。在传统的采矿作业中，一旦某一部分煤炭被开采，空荡荡的空间（或称为“gob”）可能导致潜在的危险，如沉陷，即地面上方下沉或坍塌。Gob caving利用这一点，故意允许已开采区域坍塌，从而减少意外坍塌的风险，并帮助稳定周围的岩层。Gob caving的优点有很多。首先，它允许更高效地利用已开采区域。通过允许顶部坍塌，矿工可以在不需要人工支撑顶部的情况下从同一区域提取更多的煤。这不仅提高了生产力，还减少了与支撑结构相关的成本。此外，gob caving可以通过最小化对表面土地的干扰来帮助管理采矿的环境影响。然而，像任何采矿技术一样，gob caving也有其自身的一系列挑战。安全是首要关注的问题，因为坍塌过程必须得到仔细控制，以防止失控的坍塌威胁矿工的生命。此外，矿井的地质条件必须经过彻底评估，以确保gob caving是一种可行的选择。如果周围的岩石不够稳定，风险可能超过收益。此外，gob caving可能导致与地下水管理相关的问题。当顶部坍塌时，可能会为水流入矿井创造通道，可能导致洪水或其他并发症。因此，必须在实施gob caving实践的同时，采取有效的水管理策略以降低这些风险。总之，gob caving是地下采矿领域，特别是在煤炭开采中的一项重要技术。它提供了一种高效的资源回收手段，同时解决了一些传统采矿方法带来的结构性挑战。随着行业的不断发展，理解和掌握像gob caving这样的技术对于确保采矿作业的安全、高效和可持续至关重要。通过精心规划和执行，gob caving可以在采矿的未来中发挥重要作用，实现经济需求与环境保护之间的平衡。