permeability testing machine

简明释义

渗透仪

英英释义

例句

1.The laboratory recently upgraded its permeability testing machine for more accurate results.

实验室最近升级了其渗透性测试机以获得更准确的结果。

2.The engineer used a permeability testing machine to assess the soil's drainage capabilities.

工程师使用了一个渗透性测试机来评估土壤的排水能力。

3.Before construction, it's essential to perform tests with a permeability testing machine to ensure the foundation is stable.

在施工之前，使用渗透性测试机进行测试以确保基础稳定是至关重要的。

4.The permeability testing machine showed high permeability rates in the sandy soil sample.

该渗透性测试机显示出沙土样本的高渗透率。

5.A reliable permeability testing machine is crucial for environmental studies involving groundwater.

一个可靠的渗透性测试机对涉及地下水的环境研究至关重要。

作文

In the field of civil engineering and geotechnics, understanding soil properties is crucial for the design and construction of various structures. One of the key factors that engineers must consider is the permeability of the soil, which refers to its ability to allow water to flow through it. To accurately measure this property, engineers rely on a specialized device known as a permeability testing machine. A permeability testing machine (渗透性测试机) is an essential tool that helps determine how easily water can move through soil samples under controlled conditions.The importance of measuring soil permeability cannot be overstated. It plays a significant role in various engineering applications, such as the design of foundations, retaining walls, and drainage systems. For instance, if the soil has high permeability, it may lead to rapid drainage, which can affect the stability of structures built on it. Conversely, low permeability can result in poor drainage, leading to water accumulation and potential flooding. Therefore, having accurate data on soil permeability is vital for making informed engineering decisions.A permeability testing machine typically operates by applying a constant head or falling head method to assess the permeability of the soil sample. In the constant head method, water is allowed to flow through the soil sample at a constant rate, and the amount of water that passes through the sample over a set period is measured. This method is suitable for coarse-grained soils, such as sands and gravels. On the other hand, the falling head method is more appropriate for fine-grained soils, like silts and clays, where the flow rate decreases as the water level drops.Using a permeability testing machine involves several steps. First, soil samples are collected from the site and prepared for testing. The samples are usually compacted to simulate in-situ conditions. Once the samples are ready, they are placed in the machine, and the necessary measurements are taken. Engineers then analyze the data obtained from the tests to calculate the permeability coefficient, which quantifies the soil's permeability.Furthermore, advancements in technology have led to the development of more sophisticated permeability testing machines. These modern devices often come equipped with digital displays, automated data collection, and advanced software for analysis. This not only enhances accuracy but also saves time during the testing process. Moreover, some machines can test multiple samples simultaneously, increasing efficiency in laboratories.In conclusion, the permeability testing machine (渗透性测试机) is an invaluable tool in the field of civil engineering. Its ability to provide accurate measurements of soil permeability allows engineers to make informed decisions regarding the design and construction of structures. As technology continues to evolve, we can expect further improvements in the capabilities of these machines, ultimately leading to safer and more efficient engineering practices. Understanding the function and application of a permeability testing machine is essential for anyone involved in geotechnical engineering, as it directly impacts the success of construction projects.

在土木工程和岩土工程领域，理解土壤特性对于各种结构的设计和施工至关重要。工程师必须考虑的关键因素之一是土壤的渗透性，即其允许水流通过的能力。为了准确测量这一特性，工程师依赖一种专用设备，称为渗透性测试机。渗透性测试机（permeability testing machine）是一种重要工具，帮助在受控条件下确定水如何轻易地穿过土壤样本。测量土壤渗透性的重要性不容小觑。它在多种工程应用中发挥着重要作用，例如基础、挡土墙和排水系统的设计。例如，如果土壤的渗透性很高，可能会导致快速排水，这会影响建在其上的结构的稳定性。相反，低渗透性可能导致排水不良，造成水积聚和潜在的洪水。因此，拥有关于土壤渗透性的准确数据对于做出明智的工程决策至关重要。渗透性测试机通常通过施加恒定水头或降水头的方法来评估土壤样本的渗透性。在恒定水头法中，水被允许以恒定速率流过土壤样本，并测量在设定时间内通过样本的水量。该方法适用于粗颗粒土壤，例如沙子和砾石。另一方面，降水头法更适合细颗粒土壤，如淤泥和粘土，因为随着水位的下降，流速会减小。使用渗透性测试机涉及几个步骤。首先，从现场收集土壤样本并准备进行测试。样本通常被压实以模拟原位条件。一旦样本准备就绪，它们就会放置在机器中，并进行必要的测量。然后，工程师分析从测试中获得的数据，以计算渗透系数，从而量化土壤的渗透性。此外，技术的进步导致了更复杂的渗透性测试机的发展。这些现代设备通常配备数字显示屏、自动数据采集和先进的软件进行分析。这不仅提高了准确性，还节省了测试过程中的时间。此外，一些机器可以同时测试多个样本，提高了实验室的效率。总之，渗透性测试机（渗透性测试机）是土木工程领域不可或缺的工具。它提供的土壤渗透性准确测量使工程师能够就结构的设计和施工做出明智的决策。随着技术的不断发展，我们可以期待这些机器的功能进一步改善，最终导致更安全、更高效的工程实践。理解渗透性测试机的功能和应用对于任何参与岩土工程的人来说都是至关重要的，因为它直接影响到建设项目的成功。