open timbering

简明释义

版面疏松的衬板

英英释义

Open timbering refers to a method of supporting underground excavations, particularly in mining, where wooden beams or timbers are used to create an open framework that stabilizes the walls and roof of the tunnel.

开放式支撑是一种支撑地下开挖的方法,特别是在采矿中,使用木梁或木材创建一个开放的框架,以稳定隧道的墙壁和顶部。

例句

1.The construction team decided to use open timbering for the new cabin, allowing for better ventilation.

建筑团队决定在新小屋中使用开放式木框架,以便更好地通风。

2.Safety regulations require that open timbering be inspected regularly to prevent collapses.

安全规定要求定期检查开放式木框架以防止坍塌。

3.The architect recommended open timbering to achieve a rustic look for the community center.

建筑师建议使用开放式木框架来为社区中心实现一种乡村风格。

4.During the renovation, we discovered that the open timbering had been well-preserved over the years.

在翻新过程中,我们发现这些开放式木框架多年来保存得很好。

5.In mining operations, open timbering is often preferred for its efficiency in supporting tunnels.

在采矿作业中,通常优先选择开放式木框架,因为它在支撑隧道方面效率高。

作文

In the field of mining and underground construction, various techniques are employed to ensure the safety and stability of excavated areas. One such technique is known as open timbering, which refers to a method of supporting the walls and roof of an excavation using wooden beams or timbers. This approach is particularly useful in shallow mines or tunnels where the ground conditions allow for the use of timber support systems. The main advantage of open timbering is that it provides immediate support to the excavated area, reducing the risk of collapses and ensuring the safety of workers. Additionally, this method allows for easy access to the work area, making it a popular choice in various mining operations.The implementation of open timbering requires careful planning and execution. Before commencing any excavation, engineers must assess the geological conditions of the site to determine if timber support is appropriate. Factors such as soil type, moisture content, and the presence of natural rock formations play a critical role in this decision-making process. If the conditions are favorable, workers will begin by installing vertical posts or columns, which are then connected by horizontal beams. This creates a framework that supports the surrounding earth and prevents it from caving in.One of the key considerations when using open timbering is the choice of materials. The quality and type of timber selected can significantly impact the effectiveness of the support system. Strong, durable woods such as oak or Douglas fir are often preferred due to their ability to withstand heavy loads and resist decay. Moreover, regular inspections and maintenance of the timber structure are essential to ensure its longevity and reliability. Over time, timber can weaken due to factors like rot, insect infestation, or wear and tear from mining activities. Therefore, timely replacement of compromised timbers is crucial to maintaining safety standards.Despite its advantages, open timbering is not without its challenges. One significant drawback is the reliance on timber, which can be susceptible to environmental conditions. For instance, excessive moisture can lead to rapid deterioration of the wood, compromising the integrity of the support system. Additionally, as mining progresses deeper or expands into more complex geological formations, alternative support methods may be required. In such cases, techniques like steel supports or shotcrete may be employed to provide enhanced stability.In conclusion, open timbering is a valuable technique in the field of mining and underground construction. Its ability to provide immediate support and ease of access makes it a preferred choice in certain scenarios. However, it is essential to consider the geological conditions, material quality, and ongoing maintenance to ensure the safety and effectiveness of this method. As the industry continues to evolve, the integration of innovative materials and technologies may further enhance the applications of open timbering, leading to safer and more efficient mining practices. Ultimately, understanding and mastering this technique is vital for engineers and workers alike, as it plays a crucial role in the overall success of underground operations.

在采矿和地下施工领域,采用多种技术以确保挖掘区域的安全和稳定。其中一种技术被称为开放式支撑木架,它是指使用木梁或木材支撑挖掘物的墙壁和顶部。这种方法在地面条件允许使用木支撑系统的浅层矿井或隧道中特别有用。开放式支撑木架的主要优点是能够立即支撑挖掘区域,降低坍塌的风险,确保工人的安全。此外,这种方法还允许轻松进入工作区域,使其成为各种采矿作业中流行的选择。实施开放式支撑木架需要仔细的规划和执行。在进行任何挖掘之前,工程师必须评估现场的地质条件,以确定木材支撑是否合适。土壤类型、湿度和自然岩层的存在等因素在这一决策过程中起着关键作用。如果条件有利,工人将开始安装垂直支柱或柱子,然后用水平梁连接。这创建了一个支撑周围土壤的框架,防止其坍塌。使用开放式支撑木架时,一个关键考虑因素是材料的选择。所选木材的质量和类型会显著影响支撑系统的有效性。由于其承受重负荷和抗腐烂的能力,通常优先选择强壮耐用的木材,如橡木或道格拉斯冷杉。此外,定期检查和维护木结构对于确保其耐久性和可靠性至关重要。随着时间的推移,由于腐烂、虫害或采矿活动造成的磨损,木材可能会变弱。因此,及时更换受损的木材对维护安全标准至关重要。尽管有其优点,开放式支撑木架也并非没有挑战。一个显著的缺点是依赖木材,这可能会受到环境条件的影响。例如,过多的湿气会导致木材迅速恶化,从而危及支撑系统的完整性。此外,随着采矿深入或扩展到更复杂的地质构造,可能需要替代支撑方法。在这种情况下,可以采用钢支撑或喷射混凝土等技术,以提供增强的稳定性。总之,开放式支撑木架是采矿和地下施工领域的一项宝贵技术。其提供即时支撑和便捷访问的能力使其在某些情况下成为首选。然而,考虑地质条件、材料质量和持续维护对于确保该方法的安全性和有效性至关重要。随着行业的不断发展,创新材料和技术的整合可能进一步增强开放式支撑木架的应用,导致更安全、更高效的采矿实践。最终,理解和掌握这一技术对工程师和工人来说至关重要,因为它在地下作业的整体成功中扮演着关键角色。