shrinkage crack

简明释义

收缩裂纹

英英释义

例句

1.After the initial curing, we noticed several shrinkage cracks on the surface.

初步养护后，我们注意到表面出现了几个收缩裂缝。

2.Inspecting for shrinkage cracks is essential in maintaining the integrity of the structure.

检查收缩裂缝对于保持结构的完整性至关重要。

3.To prevent shrinkage cracks, it is important to control the moisture levels during drying.

为了防止出现收缩裂缝，在干燥过程中控制湿度水平非常重要。

4.The concrete slab developed a shrinkage crack due to rapid drying.

由于快速干燥，混凝土板上出现了收缩裂缝。

5.The contractor recommended using additives to minimize shrinkage cracks in the mix.

承包商建议使用添加剂来最小化混合物中的收缩裂缝。

作文

In the world of construction and materials science, understanding the various phenomena that can affect the integrity of structures is crucial. One such phenomenon is known as shrinkage crack, which refers to the cracks that develop in concrete or other materials as they dry and shrink. These cracks can occur in various forms and sizes, depending on several factors including the type of material, environmental conditions, and the method of application.When concrete is mixed, it contains a certain amount of water that is necessary for the chemical reactions that lead to hardening. As the concrete cures, this water evaporates, causing the material to lose volume. This loss of volume can lead to internal stresses, which, if not properly managed, result in the formation of shrinkage cracks (收缩裂缝). These cracks may appear shortly after the concrete has been poured or even weeks later, depending on the drying conditions and the composition of the mix.The implications of shrinkage cracks are significant. While small cracks may not immediately compromise the structural integrity of a building, they can allow water to infiltrate, leading to more severe damage over time. For instance, moisture can seep into these cracks, freeze during colder months, and expand, causing further cracking and deterioration of the concrete. This cycle can eventually lead to costly repairs and maintenance issues.Preventing shrinkage cracks requires careful planning and execution. One effective method is to control the moisture content of the concrete mix. Using additives that retain moisture can help slow down the evaporation process, reducing the likelihood of cracking. Additionally, proper curing techniques, such as covering the concrete with wet burlap or using curing compounds, can also mitigate the risk of shrinkage cracks (收缩裂缝).Another important factor in preventing these cracks is the design and placement of reinforcement within the concrete. Steel rebar or wire mesh can be strategically placed to help distribute stresses throughout the material, reducing the chances of localized cracking. Furthermore, incorporating control joints in the design allows for the natural movement of the concrete, providing a designated path for cracks to form without compromising the overall structure.In conclusion, shrinkage cracks (收缩裂缝) are a common issue in construction that can have serious long-term effects if not addressed properly. Understanding the causes and prevention methods is essential for architects, engineers, and construction workers alike. By implementing best practices in mixing, curing, and reinforcing concrete, the occurrence of these cracks can be minimized, ensuring the durability and longevity of structures. As technology and materials science continue to advance, new solutions will likely emerge to further combat the challenges posed by shrinkage cracks.

在建筑和材料科学的世界中，理解各种现象对结构完整性可能产生影响是至关重要的。其中一种现象被称为收缩裂缝，指的是混凝土或其他材料在干燥和收缩时形成的裂缝。这些裂缝可以以不同的形式和大小出现，具体取决于多种因素，包括材料类型、环境条件和施工方法。当混凝土被混合时，它包含一定量的水，这是硬化所需的化学反应所必需的。随着混凝土的固化，这些水分蒸发，导致材料体积减少。这种体积的减少可能导致内部应力，如果没有得到妥善管理，就会导致收缩裂缝的形成。这些裂缝可能在混凝土浇筑后不久或甚至几周后出现，具体取决于干燥条件和混合物的组成。收缩裂缝的影响是显著的。虽然小裂缝可能不会立即危及建筑物的结构完整性，但它们可能允许水渗入，随着时间的推移导致更严重的损坏。例如，水分可以渗透到这些裂缝中，在寒冷的月份冻结并膨胀，导致进一步的开裂和混凝土的恶化。这一循环最终可能导致昂贵的维修和维护问题。防止收缩裂缝需要仔细的规划和执行。一种有效的方法是控制混凝土混合物的水分含量。使用保湿添加剂可以帮助减缓蒸发过程，从而减少开裂的可能性。此外，适当的养护技术，例如用湿麻布覆盖混凝土或使用养护化合物，也可以降低收缩裂缝（收缩裂缝）的风险。预防这些裂缝的另一个重要因素是混凝土内加固材料的设计和放置。钢筋或钢丝网可以被战略性地放置，以帮助在材料中分配应力，减少局部开裂的机会。此外，在设计中加入控制缝允许混凝土的自然运动，为裂缝提供了一个指定的形成路径，而不会危及整体结构。总之，收缩裂缝（收缩裂缝）是建筑中常见的问题，如果没有得到妥善处理，可能会产生严重的长期影响。理解其成因和预防方法对建筑师、工程师和建筑工人都至关重要。通过在混合、养护和加固混凝土方面实施最佳实践，可以最大限度地减少这些裂缝的发生，确保结构的耐久性和长寿命。随着技术和材料科学的不断进步，新的解决方案可能会出现，以进一步应对收缩裂缝所带来的挑战。