initial setting time

简明释义

初凝时间

英英释义

例句

1.The initial setting time 初凝时间 can vary based on temperature and humidity.

由于温度和湿度的不同，初凝时间 初凝时间可能会有所变化。

2.The initial setting time 初凝时间 of this concrete mix is approximately 30 minutes.

这种混凝土配方的初凝时间 初凝时间大约是30分钟。

3.For this project, we need a material with a shorter initial setting time 初凝时间.

对于这个项目，我们需要一种初凝时间 初凝时间较短的材料。

4.The manufacturer specifies that the initial setting time 初凝时间 should not exceed 15 minutes.

制造商规定，初凝时间 初凝时间不得超过15分钟。

5.It's important to monitor the initial setting time 初凝时间 to ensure the quality of the plaster.

监测初凝时间 初凝时间对于确保石膏的质量非常重要。

作文

The concept of initial setting time is crucial in various fields, particularly in construction and materials science. It refers to the period during which a material, such as cement, begins to harden after being mixed with water. Understanding this time frame is essential for ensuring that construction projects proceed smoothly and safely. In this essay, I will explore the significance of initial setting time in concrete work and its implications for builders and engineers.When concrete is mixed, it remains in a fluid state for a certain duration before it starts to set. This period is known as the initial setting time (初始凝固时间). For most types of cement, this time can range from about 30 minutes to several hours, depending on factors such as temperature, humidity, and the specific composition of the cement mix. Knowing the initial setting time is vital for contractors because it dictates how quickly they need to work after mixing the concrete.If the initial setting time is too short, workers may find themselves racing against the clock, which can lead to mistakes, poor workmanship, and ultimately compromised structural integrity. Conversely, if the initial setting time is longer than expected, it could delay the entire project and increase labor costs. Therefore, accurate knowledge of this parameter allows for better planning and resource management.One important aspect of initial setting time is its relation to environmental conditions. For instance, in hot weather, the initial setting time may be significantly reduced due to increased evaporation rates and faster hydration reactions. On the other hand, cold weather can prolong this time, which may require the use of accelerators or heaters to ensure that the concrete sets properly. Builders must be adept at adjusting their methods based on these environmental factors to maintain the quality and safety of their work.Additionally, the initial setting time can influence the choice of materials used in construction. Some projects may require rapid setting concrete, especially in situations where time is of the essence, such as repairing roads or bridges. In these cases, understanding the initial setting time helps engineers select the appropriate mix design and additives that can enhance the performance of the concrete while still meeting the project schedule.Moreover, testing the initial setting time is a standard procedure in quality control for concrete production. Manufacturers often conduct tests to determine the setting times of their products to ensure consistency and reliability. This information is not only beneficial for the manufacturers but also provides valuable data for contractors who rely on these materials for their projects.In conclusion, the initial setting time (初始凝固时间) is a fundamental concept in the construction industry that impacts the planning, execution, and quality of building projects. By understanding and managing this critical time frame, engineers and contractors can enhance their workflow, optimize resources, and ultimately deliver safer and more durable structures. As technology advances, ongoing research into the factors affecting initial setting time will continue to play a vital role in improving construction practices and materials science.

“初始凝固时间”的概念在多个领域中至关重要，尤其是在建筑和材料科学中。它指的是材料（如水泥）与水混合后开始硬化的时间段。理解这一时间框架对于确保建筑项目顺利、安全地进行至关重要。在这篇文章中，我将探讨“初始凝固时间”在混凝土工作中的重要性及其对建筑商和工程师的影响。当混凝土被混合时，它在一定时间内保持流动状态，然后开始凝固。这个时间段被称为“初始凝固时间”（initial setting time）。对于大多数类型的水泥，这个时间可能从大约30分钟到几个小时不等，具体取决于温度、湿度和水泥混合物的特定成分。了解“初始凝固时间”对承包商至关重要，因为它决定了在混合混凝土后，工人需要多快开始工作。如果“初始凝固时间”太短，工人可能会发现自己在与时间赛跑，这可能导致错误、粗糙的工艺，最终影响结构的完整性。相反，如果“初始凝固时间”比预期的要长，整个项目可能会延迟，并增加人工成本。因此，准确了解这一参数可以更好地进行规划和资源管理。“初始凝固时间”的一个重要方面是其与环境条件的关系。例如，在炎热的天气中，由于蒸发率和水化反应加速，“初始凝固时间”可能会显著缩短。另一方面，寒冷的天气可能会延长这一时间，这可能需要使用加速剂或加热器以确保混凝土能够正确凝固。建筑商必须善于根据这些环境因素调整他们的方法，以维护其工作的质量和安全性。此外，“初始凝固时间”还会影响建筑中所用材料的选择。一些项目可能需要快速凝固的混凝土，特别是在时间紧迫的情况下，例如修复道路或桥梁。在这些情况下，了解“初始凝固时间”有助于工程师选择适当的混合设计和添加剂，从而在满足项目进度的同时提高混凝土的性能。此外，测试“初始凝固时间”是混凝土生产质量控制的标准程序。制造商通常会进行测试以确定其产品的凝固时间，以确保一致性和可靠性。这些信息不仅对制造商有益，也为依赖这些材料进行项目的承包商提供了宝贵的数据。总之，“初始凝固时间”（initial setting time）是建筑行业中的一个基本概念，影响着建筑项目的规划、执行和质量。通过理解和管理这一关键时间框架，工程师和承包商可以提高工作流程，优化资源，最终交付更安全、更耐用的结构。随着技术的进步，持续研究影响“初始凝固时间”的因素将继续在改善建筑实践和材料科学中发挥重要作用。