air void ratio

简明释义

空气伐积比;

英英释义

例句

1.A high air void ratio 空气孔隙比 can lead to reduced strength in soil samples.

高的空气孔隙比可能导致土壤样本强度降低。

2.The air void ratio 空气孔隙比 affects the thermal properties of building materials.

空气孔隙比影响建筑材料的热性能。

3.The engineer calculated the air void ratio 空气孔隙比 of the concrete to ensure its durability.

工程师计算了混凝土的空气孔隙比以确保其耐久性。

4.Understanding the air void ratio 空气孔隙比 is essential for predicting drainage conditions.

理解空气孔隙比对预测排水条件至关重要。

5.During the tests, the air void ratio 空气孔隙比 was found to be higher than expected.

在测试中，发现空气孔隙比高于预期。

作文

The concept of air void ratio is fundamental in various fields, particularly in civil engineering and soil mechanics. It refers to the ratio of the volume of air voids present in a soil sample to the volume of solids within that same sample. Understanding this ratio is crucial for engineers and geologists as it influences the mechanical properties of soils, such as strength, compressibility, and permeability. In essence, the air void ratio provides insight into how much air is trapped within the soil structure, which can significantly affect its behavior under different loading conditions.When analyzing soil, the air void ratio can help determine the degree of saturation of the soil. A higher air void ratio typically indicates that the soil is less saturated and contains more air pockets, while a lower ratio suggests that the soil is more saturated with water. This information is vital, especially when constructing foundations, roads, and other infrastructure, as the stability of these structures depends on the moisture content and the overall condition of the underlying soil.In addition to its importance in construction, the air void ratio also plays a significant role in agricultural practices. Farmers need to understand the soil's physical properties to optimize crop growth. Soil that retains too much air may not hold sufficient water for plants, leading to drought stress, while soil with a low air void ratio may become compacted, limiting root growth and water infiltration. Therefore, managing the air void ratio is essential for ensuring healthy crops and sustainable farming practices.The air void ratio can be influenced by several factors, including soil type, compaction methods, and environmental conditions. Different soil types, such as sandy or clayey soils, have inherently different air void ratios. Sandy soils tend to have larger voids and thus a higher air void ratio, making them well-drained but less capable of retaining moisture. Conversely, clay soils have smaller voids, resulting in a lower air void ratio, which can lead to poor drainage and increased risk of erosion.To effectively measure the air void ratio, engineers often conduct laboratory tests, such as the grain size analysis and specific gravity tests. These tests provide essential data that can be used to calculate the air void ratio and assess the soil's suitability for various applications. Accurate measurement of this ratio is critical for predicting how the soil will react under stress and for designing appropriate engineering solutions.In conclusion, the air void ratio is a vital parameter in understanding soil behavior and its implications for construction and agriculture. By grasping the significance of this ratio, professionals in engineering and farming can make informed decisions that lead to successful projects and sustainable land use. As we continue to face challenges related to soil management and environmental sustainability, the study of the air void ratio will remain a key area of focus for researchers and practitioners alike.

“空气孔隙比”这一概念在多个领域中都是基础性的，尤其是在土木工程和土壤力学中。它指的是土壤样本中空气孔隙体积与同一样本中固体体积的比率。理解这个比率对工程师和地质学家至关重要，因为它影响土壤的机械性质，如强度、压缩性和渗透性。实际上，“空气孔隙比”提供了有关土壤结构中被困空气量的洞察，这可能会显著影响土壤在不同荷载条件下的行为。在分析土壤时，“空气孔隙比”可以帮助确定土壤的饱和度。较高的“空气孔隙比”通常表明土壤不太饱和，含有更多的空气口袋，而较低的比率则表明土壤更饱和于水。这些信息至关重要，特别是在建造基础、道路和其他基础设施时，因为这些结构的稳定性取决于水分含量和基础土壤的整体状况。除了在建筑中的重要性外，“空气孔隙比”在农业实践中也发挥着重要作用。农民需要了解土壤的物理特性，以优化作物生长。保持过多空气的土壤可能无法为植物提供足够的水分，导致干旱压力，而“空气孔隙比”低的土壤可能会变得紧实，限制根系生长和水分渗透。因此，管理“空气孔隙比”对于确保健康作物和可持续农业实践至关重要。“空气孔隙比”受多种因素的影响，包括土壤类型、压实方法和环境条件。不同的土壤类型，如沙土或粘土，具有固有的不同“空气孔隙比”。沙土往往具有较大的孔隙，因此“空气孔隙比”较高，使其排水良好但保水能力较差。相反，粘土土壤的孔隙较小，导致“空气孔隙比”较低，这可能导致排水不良和侵蚀风险增加。为了有效测量“空气孔隙比”，工程师通常进行实验室测试，如颗粒大小分析和比重测试。这些测试提供了基本数据，可用于计算“空气孔隙比”并评估土壤的适用性。准确测量此比率对预测土壤在压力下的反应以及设计合适的工程解决方案至关重要。总之，“空气孔隙比”是理解土壤行为及其对建筑和农业影响的重要参数。通过掌握这一比率的意义，工程和农业专业人员可以做出明智的决策，从而实现成功的项目和可持续的土地使用。随着我们继续面临与土壤管理和环境可持续性相关的挑战，“空气孔隙比”的研究将继续成为研究人员和从业者关注的重点领域。