void ratio

简明释义

空隙率

英英释义

例句

1.The soil's void ratio indicates the amount of empty space in its structure.

土壤的孔隙比指示其结构中空隙的数量。

2.Engineers often calculate the void ratio to determine the drainage capacity of the soil.

工程师通常计算孔隙比以确定土壤的排水能力。

3.The void ratio is crucial for predicting how soil will behave under load.

在预测土壤在负载下的行为时，孔隙比至关重要。

4.Understanding the void ratio helps in assessing the compaction of soil.

理解孔隙比有助于评估土壤的压实程度。

5.A high void ratio can lead to decreased stability in construction projects.

高孔隙比可能导致建筑项目的稳定性下降。

作文

The concept of void ratio is fundamental in the field of geotechnical engineering and soil mechanics. It refers to the ratio of the volume of voids (the spaces between soil particles) to the volume of solids (the actual particles themselves) in a given soil sample. Understanding the void ratio is crucial for engineers and construction professionals as it affects the strength, compressibility, and permeability of soil. A higher void ratio indicates that there are more voids relative to solid material, which can lead to weaker soil structure and increased susceptibility to settlement or failure under load.In practical terms, the void ratio can be calculated using the formula: void ratio = volume of voids / volume of solids. For instance, if a soil sample has a volume of voids of 30 cubic centimeters and a volume of solids of 70 cubic centimeters, the void ratio would be 30/70, or approximately 0.43. This numerical value helps engineers assess the suitability of the soil for various construction projects, including buildings, roads, and bridges.Moreover, the void ratio is closely related to other important soil properties, such as porosity and degree of saturation. Porosity is defined as the ratio of the volume of voids to the total volume of the soil sample, while the degree of saturation indicates how much of the void space is filled with water. These interrelated concepts help create a comprehensive understanding of soil behavior under different conditions.When evaluating soil for construction purposes, engineers often conduct tests to determine the void ratio along with other parameters. One common method is the laboratory test known as the consolidation test, where a soil sample is subjected to increasing loads to observe its deformation and changes in void ratio. The results from this test can provide valuable insights into how the soil will perform over time when subjected to the weight of structures.Additionally, the void ratio can vary significantly depending on the type of soil. For example, clay soils typically have lower void ratios compared to sandy soils due to their smaller particle size and greater cohesion. Understanding these differences is essential for selecting appropriate materials and methods for construction projects.In conclusion, the void ratio is a critical parameter in geotechnical engineering that influences the behavior of soil under load. By calculating and analyzing the void ratio, engineers can make informed decisions regarding site selection, foundation design, and overall project safety. As the construction industry continues to evolve, the importance of understanding soil properties like the void ratio remains paramount, ensuring that infrastructure is built on stable and reliable ground.

‘空隙比’的概念在岩土工程和土壤力学领域中是基础性的。它指的是在特定土壤样本中，空隙的体积（土粒之间的空间）与固体的体积（实际的颗粒）之间的比率。理解‘空隙比’对工程师和建筑专业人员至关重要，因为它影响土壤的强度、压缩性和渗透性。较高的‘空隙比’表明相对于固体材料有更多的空隙，这可能导致土壤结构较弱，并在负载下更容易发生沉降或失效。在实际应用中，可以使用公式计算‘空隙比’：‘空隙比’= 空隙体积 / 固体体积。例如，如果一个土壤样本的空隙体积为30立方厘米，而固体体积为70立方厘米，则‘空隙比’为30/70，约为0.43。这个数值帮助工程师评估土壤在各种建筑项目中的适用性，包括建筑物、道路和桥梁。此外，‘空隙比’与其他重要的土壤性质密切相关，如孔隙率和饱和度。孔隙率被定义为空隙体积与土壤样本总体积的比率，而饱和度则指示空隙空间中有多少被水填充。这些相互关联的概念有助于全面理解土壤在不同条件下的行为。在评估用于建筑目的的土壤时，工程师通常会进行测试以确定‘空隙比’及其他参数。一个常见的方法是实验室测试，称为固结试验，在该试验中，土壤样本在逐渐增加的负载下进行观察其变形和‘空隙比’的变化。该测试的结果可以提供关于土壤在结构重量下随时间表现的宝贵见解。此外，‘空隙比’因土壤类型而异。例如，由于粘土颗粒较小且具有较大黏聚力，粘土土壤的‘空隙比’通常低于沙土。理解这些差异对于选择适当的材料和施工方法至关重要。总之，‘空隙比’是岩土工程中的一个关键参数，它影响土壤在负载下的行为。通过计算和分析‘空隙比’，工程师可以就场地选择、基础设计和整体项目安全做出明智的决策。随着建筑行业的不断发展，理解土壤性质如‘空隙比’的重要性仍然至关重要，确保基础设施建立在稳定可靠的基础上。