kelly ball test

简明释义

凯氏球体贯入试验

英英释义

The Kelly ball test is a method used to determine the consistency and workability of fresh concrete by measuring the depth of penetration of a steel ball dropped onto the surface of the concrete.

凯利球试验是一种用于测定新鲜混凝土的一致性和可施工性的测试方法,通过测量钢球落在混凝土表面后的渗透深度来进行评估。

例句

1.After the kelly ball test, the team decided to adjust the mixture for better performance.

在进行kelly ball test后,团队决定调整混合物以获得更好的性能。

2.In our quality control lab, we perform a kelly ball test on every batch of material.

在我们的质量控制实验室中,我们对每一批材料进行kelly ball test

3.The kelly ball test is essential for ensuring the durability of construction materials.

进行kelly ball test对于确保建筑材料的耐久性至关重要。

4.Results from the kelly ball test indicated that the pavement was too soft for heavy traffic.

来自kelly ball test的结果表明,路面对于重型交通来说过于柔软。

5.The engineer conducted a kelly ball test to assess the hardness of the concrete.

工程师进行了kelly ball test以评估混凝土的硬度。

作文

The construction industry relies heavily on various tests to ensure the quality and durability of materials used in building structures. One such test is the kelly ball test, which is specifically designed to measure the consistency and workability of concrete. This test provides valuable insights into how well the concrete will perform under different conditions, making it an essential part of quality control in construction projects.Concrete is a composite material made from cement, water, aggregates, and sometimes additives. Its performance can vary significantly based on the proportions of these ingredients and the method of mixing. The kelly ball test helps determine the concrete's consistency by measuring the depth to which a weighted ball penetrates the surface of freshly poured concrete. This penetration depth is an indicator of the concrete's workability; the deeper the ball sinks, the more workable the concrete is.To perform the kelly ball test, a calibrated ball weighing approximately 2.5 kilograms is dropped onto the surface of the concrete from a fixed height. The depth of penetration is measured and recorded. A standard chart is then used to interpret the results, indicating whether the concrete meets the required specifications for the project. This test is particularly useful because it can be done quickly and does not require extensive laboratory equipment, making it accessible for field testing.One of the advantages of the kelly ball test is its simplicity and efficiency. In many cases, construction teams can conduct this test on-site, allowing for immediate feedback on the quality of the concrete being used. This rapid assessment can help identify any issues with the concrete mix before it hardens, allowing for adjustments to be made if necessary. Moreover, the kelly ball test is less intrusive than other methods, meaning it does not compromise the integrity of the concrete sample being tested.However, it is important to note that while the kelly ball test is a useful tool, it should not be the sole method of assessing concrete quality. It is often used in conjunction with other tests, such as slump tests and compressive strength tests, to provide a comprehensive evaluation of the concrete's properties. By combining results from multiple tests, engineers and construction managers can make more informed decisions about the materials being used in their projects.In conclusion, the kelly ball test plays a crucial role in the quality control of concrete in the construction industry. Its ability to provide quick and reliable measurements of concrete consistency makes it an invaluable tool for ensuring that structures are built to last. As technology continues to advance, it is likely that new methods and tools will emerge, but the fundamental principles behind the kelly ball test will remain relevant in the pursuit of high-quality construction materials. Understanding this test is essential for anyone involved in construction, from engineers to laborers, as it directly impacts the safety and longevity of the structures we build.

建筑行业在确保所用材料的质量和耐久性方面高度依赖各种测试。其中一种测试是kelly ball test,专门用于测量混凝土的一致性和可加工性。该测试提供了关于混凝土在不同条件下表现如何的重要见解,使其成为建筑项目质量控制的重要组成部分。混凝土是一种由水泥、水、骨料和有时添加剂组成的复合材料。其性能可能因这些成分的比例和混合方法而有所不同。kelly ball test通过测量加权球体在新浇混凝土表面下沉的深度来帮助确定混凝土的一致性。下沉的深度是混凝土可加工性的一个指标;球体下沉越深,混凝土的可加工性就越好。进行kelly ball test时,将一个约重2.5公斤的校准球从固定高度掉落到混凝土表面。然后测量并记录下沉的深度。使用标准图表解释结果,以指示混凝土是否符合项目的要求。这项测试特别有用,因为它可以快速完成,并且不需要大量实验室设备,使其在现场测试中易于获得。kelly ball test的一个优点是其简单性和高效性。在许多情况下,施工团队可以在现场进行此测试,从而对所用混凝土的质量提供即时反馈。这种快速评估可以帮助在混凝土硬化之前识别任何问题,从而在必要时进行调整。此外,kelly ball test的侵入性较小,这意味着它不会损害被测试混凝土样本的完整性。然而,需要注意的是,尽管kelly ball test是一种有用的工具,但不应成为评估混凝土质量的唯一方法。它通常与其他测试(如塌落度测试和抗压强度测试)结合使用,以提供对混凝土特性的全面评估。通过结合多个测试的结果,工程师和施工经理可以对项目中使用的材料做出更明智的决定。总之,kelly ball test在建筑行业的混凝土质量控制中发挥着至关重要的作用。它能够快速可靠地测量混凝土的一致性,使其成为确保结构持久的宝贵工具。随着技术的不断进步,可能会出现新的方法和工具,但kelly ball test背后的基本原理将在追求高质量建筑材料的过程中保持相关性。理解这一测试对任何参与建筑的人来说都是必不可少的,从工程师到工人,因为它直接影响着我们所建结构的安全性和耐久性。

相关单词

kelly

kelly详解:怎么读、什么意思、用法