final setting time

简明释义

终凝时间

英英释义

The final setting time refers to the point at which a material, such as cement or plaster, has fully hardened and reached its maximum strength, indicating that it can no longer be molded or shaped.

最终凝固时间指的是材料(如水泥或石膏)完全硬化并达到最大强度的时刻,这表明它不再能够被塑形或改变。

例句

1.The technician tested the mortar to determine its final setting time 最终凝结时间 before application.

技术员在应用之前测试了砂浆以确定其最终凝结时间 最终凝结时间

2.The manufacturer specifies a final setting time 最终凝结时间 of 60 minutes for this type of adhesive.

制造商为这种类型的粘合剂规定了最终凝结时间 最终凝结时间 为60分钟。

3.In construction, knowing the final setting time 最终凝结时间 helps in planning the workflow.

在建筑中,了解最终凝结时间 最终凝结时间 有助于规划工作流程。

4.The concrete mix should be poured before the final setting time 最终凝结时间 to ensure optimal strength.

混凝土混合物应在最终凝结时间 最终凝结时间之前浇筑,以确保最佳强度。

5.It's crucial to monitor the final setting time 最终凝结时间 of the plaster to achieve a smooth finish.

监测石膏的最终凝结时间 最终凝结时间 对于实现光滑的表面至关重要。

作文

In the field of construction and civil engineering, understanding the properties of materials is crucial for ensuring the integrity and durability of structures. One important property that engineers must consider when working with cement and concrete is the final setting time. The final setting time refers to the point at which a cementitious material transitions from a plastic, workable state to a solid, hardened state. This transition is critical as it determines how long workers have to manipulate the material before it begins to set and harden. The final setting time can vary based on several factors, including the type of cement used, the temperature and humidity of the environment, and the presence of additives or admixtures. For instance, certain types of cement may have a quicker final setting time, allowing for faster construction processes, while others may take longer, which can be beneficial in hot weather conditions where rapid setting can lead to cracking. Understanding the final setting time is essential for project planning and execution. If the final setting time is not accurately predicted, it can lead to significant delays and complications on a construction site. For example, if workers are unaware that the final setting time is approaching, they may not have enough time to finish pouring concrete or to make necessary adjustments. This can result in poor-quality work or even structural failures. Moreover, the final setting time is also significant for safety reasons. Construction sites can be hazardous environments, and workers need to be aware of when materials are setting to avoid accidents. If workers are still in the vicinity of freshly poured concrete as it begins to set, they could risk injury. Therefore, knowing the final setting time allows for better planning and enhances overall safety on construction sites. In addition to practical considerations, the final setting time also has implications for the long-term performance of concrete structures. A material that sets too quickly may not have sufficient time to develop the necessary strength, while one that sets too slowly may be exposed to adverse environmental conditions for too long, leading to potential issues such as contamination or degradation. To ensure the best outcomes, engineers often conduct tests to determine the final setting time of the materials they are using. These tests involve mixing the cement with water and observing the time it takes for the mixture to set under controlled conditions. By understanding the final setting time, engineers can make informed decisions about the materials and methods they employ, ultimately leading to safer and more durable constructions. In conclusion, the final setting time is a vital concept in construction that affects everything from project scheduling to material selection and worker safety. By comprehensively understanding this property, engineers can ensure that their projects are completed efficiently and effectively, leading to structures that stand the test of time. The importance of the final setting time cannot be overstated, as it plays a pivotal role in the success of any construction endeavor.

在建筑和土木工程领域,理解材料的特性对于确保结构的完整性和耐久性至关重要。工程师在处理水泥和混凝土时必须考虑的一个重要特性是最终凝固时间最终凝固时间是指水泥材料从塑性、可加工状态转变为固体、硬化状态的时刻。这一转变至关重要,因为它决定了工人在材料开始凝固和硬化之前可以操作的时间。

最终凝固时间可能会受到多种因素的影响,包括所用水泥的类型、环境的温度和湿度,以及添加剂或混合物的存在。例如,某些类型的水泥可能具有较快的最终凝固时间,允许更快的施工过程,而其他类型则可能需要更长的时间,这在炎热天气条件下尤其有利,因为快速凝固可能导致开裂。

了解最终凝固时间对项目规划和执行至关重要。如果最终凝固时间没有准确预测,可能会导致施工现场出现重大延误和复杂情况。例如,如果工人不知道最终凝固时间即将到来,他们可能没有足够的时间完成混凝土浇筑或进行必要的调整。这可能导致质量不佳的工作,甚至结构失败。

此外,最终凝固时间对安全原因也很重要。建筑工地可能是危险的环境,工人需要了解材料何时凝固,以避免事故。如果工人在新浇筑的混凝土周围仍然活动,而它开始凝固,他们可能面临受伤的风险。因此,了解最终凝固时间可以更好地规划,增强建筑工地的整体安全性。

除了实际考虑外,最终凝固时间还对混凝土结构的长期性能产生影响。凝固过快的材料可能没有足够的时间发展所需的强度,而凝固过慢的材料可能暴露于恶劣环境条件下过久,导致潜在问题,如污染或降解。

为了确保最佳结果,工程师通常会进行测试,以确定他们使用的材料的最终凝固时间。这些测试涉及将水泥与水混合,并观察在受控条件下混合物凝固所需的时间。通过了解最终凝固时间,工程师可以做出明智的决策,选择合适的材料和方法,最终导致更安全和更耐久的建筑。

总之,最终凝固时间是建筑中一个至关重要的概念,影响着从项目进度安排到材料选择和工人安全的方方面面。通过全面理解这一特性,工程师可以确保他们的项目高效、有效地完成,从而建造出经得起时间考验的结构。最终凝固时间的重要性不容小觑,因为它在任何建筑工作成功中发挥着关键作用。