impermeability test

简明释义

密封性试验

英英释义

例句

1.Before building the new reservoir, engineers performed an impermeability test on the clay liner.

在建造新水库之前，工程师对粘土衬垫进行了渗透性测试。

2.The construction team conducted an impermeability test to ensure the foundation was water-resistant.

施工团队进行了渗透性测试以确保基础具有防水性。

3.A negative result from the impermeability test indicated potential leaks in the structure.

来自渗透性测试的负面结果表明结构可能存在泄漏。

4.Results from the impermeability test showed that the soil could hold water effectively.

来自渗透性测试的结果显示土壤能够有效地保持水分。

5.The impermeability test is crucial for evaluating the suitability of materials used in dam construction.

对于评估用于大坝建设材料的适用性来说，渗透性测试至关重要。

作文

The concept of the impermeability test is crucial in various fields such as civil engineering, environmental science, and construction. An impermeability test refers to a procedure used to determine how well a material can resist the passage of fluids. This testing is particularly important for materials like soil, concrete, and membranes, as it helps engineers and scientists assess their suitability for specific applications. For instance, in the construction of dams or retaining walls, understanding the impermeability of the materials used is vital to prevent water leakage and ensure structural integrity.In civil engineering, the impermeability test is often conducted on soil to evaluate its ability to retain water. This is especially significant in projects involving earth dams or landfill sites, where the potential for groundwater contamination must be minimized. The results of these tests inform engineers about the necessary precautions to take when designing structures that interact with water.One common method of conducting an impermeability test on soil is the constant head permeability test. In this test, water is allowed to flow through a soil sample under a constant hydraulic head, and the rate of flow is measured. The data collected allows engineers to calculate the coefficient of permeability, which indicates how easily water can move through the soil. A low coefficient suggests high impermeability, while a high coefficient indicates that the soil is more permeable.Concrete is another material that undergoes impermeability tests. The durability of concrete structures, especially those exposed to harsh weather conditions or chemical attacks, depends significantly on their impermeability. A common test for concrete is the water permeability test, where a sample is subjected to water pressure to determine how much water can penetrate the material. The results help in selecting appropriate concrete mixes and additives that enhance impermeability, ensuring that structures remain safe and long-lasting.In environmental science, the impermeability test plays a critical role in assessing the risk of contaminants spreading through soil and groundwater. By understanding the permeability characteristics of different soils, scientists can predict how pollutants might migrate through the environment. This information is essential for developing effective remediation strategies for contaminated sites and protecting natural water resources.Moreover, in the context of landfill design, the impermeability test is vital for preventing leachate from escaping into the surrounding environment. Liners made from impermeable materials are often used to contain waste, and their effectiveness is evaluated through these tests. Ensuring that liners have high impermeability ratings is crucial to maintaining environmental safety and compliance with regulations.In conclusion, the impermeability test is an essential tool across multiple disciplines. Its applications range from ensuring the safety and durability of construction materials to protecting the environment from contamination. As technology advances, new methods and materials are being developed to improve the accuracy and efficiency of these tests, ultimately leading to better engineering practices and enhanced environmental protection. Understanding and applying the principles behind the impermeability test is fundamental for professionals in the field, as it directly impacts the success of their projects and the safety of the communities they serve.

“不渗透性测试”的概念在土木工程、环境科学和建筑等多个领域至关重要。不渗透性测试是指用于确定材料抵抗流体通过能力的程序。这种测试对于土壤、混凝土和膜等材料尤为重要，因为它帮助工程师和科学家评估其在特定应用中的适用性。例如，在大坝或挡土墙的建设中，了解所用材料的不渗透性对于防止水泄漏和确保结构完整性至关重要。在土木工程中，不渗透性测试通常在土壤上进行，以评估其保持水分的能力。这在涉及土壤坝或填埋场项目时尤其重要，因为必须最小化地下水污染的潜在风险。这些测试的结果向工程师提供了设计与水相互作用的结构时需要采取的必要预防措施的信息。一种常见的对土壤进行的不渗透性测试的方法是恒定水头渗透性测试。在此测试中，水在恒定的水头下流过土壤样本，并测量流动速率。收集的数据使工程师能够计算渗透系数，从而指示水在土壤中移动的容易程度。低渗透系数表明高不渗透性，而高渗透系数则表明土壤更具渗透性。混凝土是另一种会进行不渗透性测试的材料。混凝土结构的耐久性，特别是那些暴露在恶劣天气条件或化学侵蚀下的结构，极大地依赖于其不渗透性。混凝土的一项常见测试是水渗透性测试，其中样本在水压下进行测试，以确定有多少水能够渗透该材料。测试结果有助于选择适当的混凝土配方和添加剂，以增强不渗透性，从而确保结构的安全性和长期使用。在环境科学中，不渗透性测试在评估污染物通过土壤和地下水扩散的风险方面起着关键作用。通过了解不同土壤的渗透特性，科学家可以预测污染物如何在环境中迁移。这些信息对于开发有效的受污染场地修复策略和保护自然水资源至关重要。此外，在填埋场设计的背景下，不渗透性测试对于防止渗滤液逃逸到周围环境中至关重要。通常使用不渗透材料制成的衬垫来容纳废物，其有效性通过这些测试进行评估。确保衬垫具有高不渗透性等级对于维护环境安全和遵守法规至关重要。总之，不渗透性测试是多个学科的重要工具。它的应用范围从确保建筑材料的安全性和耐久性到保护环境免受污染。随着技术的发展，正在开发新的方法和材料，以提高这些测试的准确性和效率，最终改善工程实践和增强环境保护。理解和应用不渗透性测试背后的原理对于该领域的专业人士至关重要，因为它直接影响到他们项目的成功以及他们服务社区的安全。