advance grouting

简明释义

超前灌浆

英英释义

例句

1.The use of advance grouting allowed for a quicker construction schedule by reducing delays caused by unstable ground.

使用提前灌浆可以通过减少不稳定土壤造成的延误，从而加快施工进度。

2.Before starting the excavation, the team performed advance grouting to enhance ground stability.

在开始挖掘之前，团队进行了提前灌浆以增强地面稳定性。

3.Due to unexpected water ingress, the engineers recommended advance grouting to prevent further damage.

由于意外的水涌入，工程师建议进行提前灌浆以防止进一步损坏。

4.The project manager emphasized the importance of advance grouting in ensuring the integrity of the tunnel.

项目经理强调了提前灌浆在确保隧道完整性方面的重要性。

5.The construction team decided to implement advance grouting to stabilize the soil before laying the foundation.

施工团队决定实施提前灌浆以在打基础之前稳定土壤。

作文

In the field of civil engineering, especially in tunneling and underground construction, the term advance grouting refers to a technique used to improve the stability of rock and soil before excavation occurs. This method involves injecting a cement-based mixture into the ground ahead of the excavation face, which helps to fill voids and consolidate loose materials. The primary purpose of advance grouting is to prevent water ingress and to enhance the overall structural integrity of the surrounding earth. By doing so, it minimizes the risk of ground collapse and ensures safer working conditions for construction crews.The process of advance grouting typically begins with geological surveys that assess the conditions of the ground. Engineers identify areas that may require stabilization and design a grouting plan accordingly. The grouting material, often a mixture of cement, water, and additives, is then injected through specialized equipment into pre-drilled holes. As the grout expands and hardens, it binds the soil particles together, effectively creating a more solid foundation for the upcoming excavation.One of the significant advantages of using advance grouting is its ability to control groundwater flow. In many construction projects, managing water is critical to avoiding delays and ensuring safety. By sealing off fissures and fractures in the rock or soil, advance grouting reduces the amount of water that can enter the excavation site. This not only keeps the work area dry but also helps to maintain the pressure balance in the surrounding earth, which is crucial during tunneling operations.Moreover, advance grouting can be particularly beneficial in urban environments where space is limited, and existing structures may be affected by excavation activities. By reinforcing the ground ahead of time, engineers can mitigate the risks associated with nearby buildings, roads, and utilities. This proactive approach allows for more extensive and deeper excavations without compromising the safety of adjacent infrastructure.However, while advance grouting offers numerous benefits, it is essential to execute the process correctly. Improperly mixed grout or inadequate injection techniques can lead to insufficient stabilization, resulting in potential failures during excavation. Therefore, thorough planning, skilled labor, and ongoing monitoring are vital components of any successful grouting operation.In conclusion, advance grouting plays a crucial role in modern construction practices, particularly in challenging underground environments. Its ability to enhance stability, control water flow, and protect surrounding structures makes it an invaluable tool for engineers and contractors alike. As technology continues to advance, we can expect further improvements in grouting materials and techniques, leading to even safer and more efficient construction practices in the future.

在土木工程领域，特别是在隧道和地下施工中，术语advance grouting指的是一种在挖掘发生之前用于改善岩石和土壤稳定性的技术。这种方法涉及在挖掘面前将基于水泥的混合物注入地下，这有助于填补空隙并巩固松散材料。advance grouting的主要目的是防止水渗入，并增强周围土壤的整体结构完整性。通过这样做，它最小化了地面坍塌的风险，并确保施工队的工作条件更安全。advance grouting的过程通常始于评估地质状况的地质调查。工程师识别出可能需要稳定的区域，并相应地设计灌浆计划。然后，将灌浆材料（通常是水泥、水和添加剂的混合物）通过专用设备注入预先钻好的孔中。当灌浆膨胀和硬化时，它将土壤颗粒结合在一起，有效地为即将进行的挖掘创造了一个更坚实的基础。使用advance grouting的一个显著优势是其控制地下水流动的能力。在许多施工项目中，管理水分对于避免延误和确保安全至关重要。通过封闭岩石或土壤中的裂缝和断层，advance grouting减少了可以进入挖掘现场的水量。这不仅保持了工作区域的干燥，还有助于维持周围土壤中的压力平衡，这在隧道作业中至关重要。此外，advance grouting在城市环境中尤其有利，因为空间有限且现有结构可能会受到挖掘活动的影响。通过提前加固地面，工程师可以减轻与附近建筑、道路和公用设施相关的风险。这种主动的方法允许进行更广泛和更深层的挖掘，而不会损害邻近基础设施的安全。然而，虽然advance grouting提供了许多好处，但正确执行该过程至关重要。不当混合的灌浆或不充分的注射技术可能导致不够的稳定，从而在挖掘过程中可能出现故障。因此，全面的规划、熟练的劳动力和持续的监测是任何成功的灌浆操作的重要组成部分。总之，advance grouting在现代施工实践中扮演着至关重要的角色，特别是在具有挑战性的地下环境中。它增强稳定性、控制水流以及保护周围结构的能力使其成为工程师和承包商不可或缺的工具。随着技术的不断进步，我们可以期待灌浆材料和技术的进一步改善，从而在未来实现更安全、更高效的施工实践。