air voids

简明释义

孔隙

英英释义

例句

1.Excessive air voids 空气空隙 in insulation materials can lead to energy loss.

绝缘材料中过多的空气空隙 空气空隙可能导致能量损失。

2.The presence of air voids 空气空隙 in the concrete can weaken its structural integrity.

混凝土中的存在的空气空隙 空气空隙可能会削弱其结构完整性。

3.During the testing phase, we found that the air voids 空气空隙 were within acceptable limits.

在测试阶段，我们发现空气空隙 空气空隙在可接受的范围内。

4.Engineers often measure air voids 空气空隙 to assess the quality of asphalt mixtures.

工程师通常测量空气空隙 空气空隙以评估沥青混合物的质量。

5.To improve durability, it's important to minimize air voids 空气空隙 in the final product.

为了提高耐用性，减少最终产品中的空气空隙 空气空隙是很重要的。

作文

In the world of construction and engineering, understanding the concept of air voids is crucial for ensuring the quality and durability of materials. Air voids refer to the small pockets of air trapped within a material, particularly in concrete and asphalt. These voids can significantly influence the physical properties of the material, such as its strength, permeability, and thermal insulation. When engineers design structures, they must carefully consider the presence of air voids to achieve optimal performance and longevity.The formation of air voids occurs during the mixing process of concrete or asphalt. If the mixture is not properly compacted or if it contains too much water, air bubbles can become trapped, leading to an increase in the number of air voids. This can weaken the overall structure, making it more susceptible to cracking and degradation over time. Therefore, it is essential for construction teams to monitor the mixing and pouring processes to minimize the occurrence of air voids.Moreover, the presence of air voids can affect the thermal properties of building materials. Materials with a higher volume of air voids generally have better insulating properties, which can be beneficial in energy-efficient building designs. However, if the voids are too numerous, they can compromise the material's structural integrity. Hence, a balance must be struck between achieving good insulation and maintaining strength.Another important aspect of air voids is their impact on water permeability. In porous materials, air voids can allow water to seep through, which can lead to issues such as freeze-thaw damage or corrosion of reinforcing steel bars within concrete. Engineers often conduct permeability tests to assess the extent of air voids in materials, as this information is vital for determining the suitability of a material for specific environmental conditions.In conclusion, air voids play a significant role in the performance of construction materials. Understanding their implications allows engineers and architects to make informed decisions about material selection and construction techniques. By minimizing unwanted air voids while optimizing those that can enhance insulation, professionals can create structures that are not only strong and durable but also energy-efficient and sustainable. As the construction industry continues to evolve, the study of air voids will remain an essential area of focus, ensuring that buildings meet the demands of modern society while standing the test of time.

在建筑和工程领域，理解空气孔隙的概念对于确保材料的质量和耐久性至关重要。空气孔隙是指材料内部被困住的小气泡，特别是在混凝土和沥青中。这些孔隙会显著影响材料的物理特性，如强度、渗透性和热绝缘性。当工程师设计结构时，他们必须仔细考虑空气孔隙的存在，以实现最佳性能和长寿命。空气孔隙的形成发生在混凝土或沥青的混合过程中。如果混合物未得到适当压实，或者含水量过高，空气气泡可能会被困住，从而增加空气孔隙的数量。这可能削弱整体结构，使其更容易出现裂缝和退化。因此，施工团队必须监控混合和浇筑过程，以尽量减少空气孔隙的发生。此外，空气孔隙的存在会影响建筑材料的热性质。具有较高空气孔隙体积的材料通常具有更好的绝缘性能，这在节能建筑设计中是有益的。然而，如果孔隙过多，它们可能会损害材料的结构完整性。因此，必须在实现良好绝缘和保持强度之间找到平衡。空气孔隙的另一个重要方面是它们对水渗透性的影响。在多孔材料中，空气孔隙可能允许水渗透，这可能导致冻融损伤或混凝土中钢筋的腐蚀。工程师通常进行渗透性测试，以评估材料中空气孔隙的程度，因为这些信息对于确定材料在特定环境条件下的适用性至关重要。总之，空气孔隙在建筑材料的性能中发挥着重要作用。理解它们的影响使工程师和建筑师能够就材料选择和施工技术做出明智的决策。通过最小化不必要的空气孔隙，同时优化那些可以增强绝缘的孔隙，专业人士可以创建不仅坚固耐用，而且节能和可持续的结构。随着建筑行业的不断发展，空气孔隙的研究将始终是一个重要的关注领域，确保建筑物满足现代社会的需求，同时经得起时间的考验。