intergranular effective stress

简明释义

粒间有效应力;

英英释义

例句

1.In geotechnical engineering, the intergranular effective stress helps predict the behavior of saturated soils.

在岩土工程中，颗粒间有效应力有助于预测饱和土壤的行为。

2.The intergranular effective stress can be altered by external loads applied to the soil.

施加于土壤的外部载荷可以改变颗粒间有效应力。

3.Changes in pore water pressure directly affect the intergranular effective stress in soils.

孔隙水压力的变化直接影响土壤中的颗粒间有效应力。

4.The concept of intergranular effective stress is crucial for understanding soil mechanics.

理解土壤力学时，颗粒间有效应力的概念至关重要。

5.Understanding intergranular effective stress is essential for stability analysis of slopes.

理解颗粒间有效应力对坡度稳定性分析至关重要。

作文

Understanding the concept of intergranular effective stress is essential in the field of geotechnical engineering and soil mechanics. This term refers to the stress that is transmitted between the grains of a soil or sediment. In essence, it represents the effective stress that governs the behavior of granular materials under various loading conditions. The significance of intergranular effective stress lies in its role in determining the strength and stability of soil structures, which is crucial for safe construction practices.To delve deeper into this concept, it is important to first understand the basic principles of effective stress. Effective stress is defined as the difference between the total stress acting on a soil mass and the pore water pressure within that mass. It is a fundamental concept introduced by Karl Terzaghi, who emphasized that it is the effective stress that controls the mechanical behavior of saturated soils. In this context, intergranular effective stress can be viewed as the component of effective stress that specifically acts at the contact points between individual soil particles.The interactions between soil grains are influenced by various factors such as grain size, shape, and arrangement. When external loads are applied to a soil mass, the intergranular effective stress plays a critical role in transferring these loads through the soil matrix. This transfer of stress is not uniform; rather, it varies depending on the local arrangement of grains and the presence of voids filled with water or air. As a result, understanding how intergranular effective stress behaves under different conditions is vital for predicting soil behavior during construction projects.In practical applications, engineers often use the concept of intergranular effective stress to assess the stability of slopes, foundations, and retaining structures. For instance, when designing a retaining wall, an engineer must consider the effective stress acting on the soil behind the wall. If the intergranular effective stress is insufficient to counteract the lateral earth pressures, the wall may fail, leading to catastrophic consequences.Moreover, the intergranular effective stress is also a key factor in understanding phenomena such as soil liquefaction, which can occur during seismic events. During an earthquake, the pore water pressure can increase significantly, reducing the intergranular effective stress and causing the soil to behave like a liquid. This understanding is crucial for designing earthquake-resistant structures in areas prone to seismic activity.In conclusion, the concept of intergranular effective stress is fundamental to the field of geotechnical engineering. It provides insight into how soil particles interact under load and how these interactions influence the overall behavior of soil structures. By comprehensively understanding intergranular effective stress, engineers can make informed decisions that enhance the safety and stability of construction projects, ultimately contributing to the resilience of our built environment.

理解颗粒间有效应力的概念在土木工程和土壤力学领域至关重要。这个术语指的是在土壤或沉积物的颗粒之间传递的应力。本质上，它代表了在各种加载条件下支配颗粒材料行为的有效应力。颗粒间有效应力的重要性在于它在确定土壤结构的强度和稳定性方面的作用，这对于安全的施工实践至关重要。要深入了解这个概念，首先需要理解有效应力的基本原理。有效应力被定义为作用于土体的总应力与该土体内孔隙水压力之间的差值。这是一个基本概念，由卡尔·特萨基提出，他强调有效应力控制着饱和土壤的力学行为。在这个背景下，颗粒间有效应力可以看作是具体作用于单个土粒接触点的有效应力成分。土壤颗粒之间的相互作用受到颗粒大小、形状和排列等多种因素的影响。当外部载荷施加到土体上时，颗粒间有效应力在通过土壤基体转移这些载荷方面起着关键作用。这种应力的转移并不是均匀的；而是根据颗粒的局部排列以及充满水或空气的孔隙的存在而变化。因此，理解颗粒间有效应力在不同条件下的行为对于预测施工项目中的土壤行为至关重要。在实际应用中，工程师通常使用颗粒间有效应力的概念来评估坡度、基础和挡土结构的稳定性。例如，在设计挡土墙时，工程师必须考虑作用在墙后土壤上的有效应力。如果颗粒间有效应力不足以抵消侧向土压力，墙体可能会失效，导致灾难性后果。此外，颗粒间有效应力也是理解土壤液化等现象的关键因素，这种现象可能在地震事件中发生。在地震期间，孔隙水压力可能显著增加，从而降低颗粒间有效应力，使土壤表现得像液体。这一理解对于在地震活动频繁的地区设计抗震结构至关重要。总之，颗粒间有效应力的概念是土木工程领域的基础。它提供了关于土粒在载荷下如何相互作用以及这些相互作用如何影响土壤结构整体行为的见解。通过全面理解颗粒间有效应力，工程师能够做出明智的决策，增强施工项目的安全性和稳定性，最终为我们建造环境的韧性做出贡献。