triaxial compression test

简明释义

三轴向压缩试验

英英释义

例句

1.A series of triaxial compression tests were conducted to assess the stability of the slope.

进行了系列的三轴压缩试验以评估坡度的稳定性。

2.In geotechnical engineering, the triaxial compression test is crucial for understanding soil behavior under stress.

在岩土工程中，三轴压缩试验对于理解土壤在应力下的行为至关重要。

3.The engineers decided to conduct a triaxial compression test to evaluate the soil's strength before construction.

工程师们决定进行一个三轴压缩试验以评估施工前土壤的强度。

4.Results from the triaxial compression test indicated that the material could withstand higher loads than previously thought.

来自三轴压缩试验的结果表明，该材料能够承受比之前认为的更高的负载。

5.The laboratory performed a triaxial compression test on the granite sample to determine its compressive strength.

实验室对花岗岩样本进行了三轴压缩试验以确定其抗压强度。

作文

The field of geotechnical engineering relies heavily on various testing methods to understand the behavior of soil and rock under different conditions. One of the most important tests used in this discipline is the triaxial compression test, which provides critical data regarding the strength and deformation characteristics of soil samples. This test is essential for engineers when designing foundations, retaining structures, and other earthworks. The triaxial compression test involves placing a cylindrical soil sample in a chamber where it is subjected to controlled pressures from all sides. This setup allows for a more realistic simulation of the conditions that the soil will experience in the field. The test can be performed under different drainage conditions: unconsolidated undrained (UU), consolidated undrained (CU), and consolidated drained (CD). Each of these variations helps engineers understand how the soil will behave under different loading scenarios. During the triaxial compression test, the soil sample is first saturated with water to ensure that it is fully consolidated. Once the sample is prepared, it is placed in the triaxial cell, and confining pressure is applied. After reaching the desired confining pressure, axial load is gradually applied until the sample fails. The data collected during this process includes the maximum stress the soil can withstand and the corresponding strain, which are crucial for determining the soil's shear strength parameters. Understanding the results of the triaxial compression test is vital for geotechnical engineers. The test yields two key parameters: cohesion and internal friction angle, which are used in various calculations for slope stability, bearing capacity, and lateral earth pressures. By accurately assessing these parameters, engineers can design safer and more efficient structures. Moreover, the triaxial compression test also helps in the evaluation of soil liquefaction potential, a phenomenon that can occur during seismic events. By understanding how soil behaves under cyclic loading conditions, engineers can develop strategies to mitigate risks associated with earthquakes. In summary, the triaxial compression test is an indispensable tool in geotechnical engineering. It provides essential information about the mechanical properties of soils, enabling engineers to make informed decisions in their designs. As technology advances, the methods and equipment used for this test continue to evolve, allowing for even more precise measurements and better understanding of soil behavior. Ultimately, the knowledge gained from the triaxial compression test contributes significantly to the safety and reliability of civil engineering projects, ensuring that structures can withstand the forces they encounter in the real world.

土木工程领域在很大程度上依赖于各种测试方法，以了解土壤和岩石在不同条件下的行为。其中最重要的测试之一是三轴压缩试验，它提供了关于土壤样本强度和变形特性的关键数据。对于工程师在设计基础、挡土结构和其他土方工程时，这个测试至关重要。三轴压缩试验涉及将一个圆柱形土壤样本放置在一个腔室中，在四周施加控制压力。这种设置允许更真实地模拟土壤在现场将经历的条件。该测试可以在不同的排水条件下进行：不固结不排水（UU）、固结不排水（CU）和固结排水（CD）。这些变化有助于工程师理解土壤在不同加载情景下的行为。在进行三轴压缩试验时，首先要用水饱和土壤样本，以确保其完全固结。一旦样本准备好，就将其放入三轴室中，并施加围压。在达到所需的围压后，逐渐施加轴向载荷，直到样本破坏。在此过程中收集的数据包括土壤能够承受的最大应力和相应的应变，这些数据对于确定土壤的剪切强度参数至关重要。理解三轴压缩试验的结果对土木工程师来说至关重要。该测试产生两个关键参数：内聚力和内摩擦角，这些参数用于各种计算，如边坡稳定性、承载力和侧向土压力。通过准确评估这些参数，工程师可以设计出更安全、更高效的结构。此外，三轴压缩试验还有助于评估土壤液化潜力，这是一种在地震事件期间可能发生的现象。通过了解土壤在循环加载条件下的行为，工程师可以制定减轻与地震相关风险的策略。总之，三轴压缩试验是土木工程中不可或缺的工具。它提供了关于土壤机械特性的基本信息，使工程师能够在设计中做出明智的决策。随着技术的进步，进行此测试的方法和设备不断演变，从而允许更精确的测量和对土壤行为的更好理解。最终，从三轴压缩试验获得的知识在很大程度上有助于土木工程项目的安全性和可靠性，确保结构能够承受现实世界中遇到的各种力量。