shrinkage crack

简明释义

收缩裂缝

英英释义

例句

1.To prevent shrinkage cracks, it's important to use the right curing methods.

为了防止收缩裂缝，使用正确的养护方法非常重要。

2.After the first winter, the patio developed shrinkage cracks due to temperature fluctuations.

经过第一个冬天，露台因温度波动而出现了收缩裂缝。

3.The concrete surface showed several shrinkage cracks, which are common as it dries.

混凝土表面出现了几条收缩裂缝，这是干燥时常见的现象。

4.We noticed shrinkage cracks in the walls of the basement after the heavy rains.

在大雨之后，我们注意到地下室墙壁上出现了收缩裂缝。

5.The builder recommended applying a sealant to minimize shrinkage cracks in the driveway.

建筑商建议在车道上涂抹密封剂，以减少收缩裂缝。

作文

In the world of construction and material science, understanding various types of defects in materials is crucial for ensuring durability and safety. One such defect that often arises in concrete and other similar materials is known as shrinkage crack. A shrinkage crack (收缩裂缝) occurs when a material, particularly concrete, undergoes a reduction in volume due to the loss of moisture or temperature changes. This phenomenon can lead to significant structural issues if not properly managed. When concrete is poured, it contains a considerable amount of water. As the concrete cures, this water evaporates, causing the material to shrink. If the shrinkage occurs too rapidly or unevenly, it can result in the formation of cracks on the surface of the concrete. These cracks can vary in size and depth, and while some may be superficial, others can penetrate deeply into the structure, compromising its integrity.There are several factors that contribute to the formation of shrinkage cracks (收缩裂缝). One primary factor is the water-to-cement ratio used in the mixture. A higher water content can lead to more significant shrinkage as the moisture evaporates. Additionally, environmental conditions such as temperature and humidity play a critical role. For instance, hot and dry weather can accelerate the evaporation process, leading to an increased risk of cracking. Furthermore, the type of cement and aggregates used can influence how much the concrete shrinks during curing.To mitigate the risk of shrinkage cracks (收缩裂缝), several strategies can be employed during the construction process. One effective method is to use curing compounds that help retain moisture within the concrete. This practice slows down the evaporation rate and allows the concrete to cure more uniformly. Another approach is to incorporate fibers into the concrete mix, which can help control shrinkage and improve tensile strength. Additionally, proper joint placement can accommodate the natural movement of the concrete, reducing the likelihood of crack formation.It is also essential for contractors and engineers to monitor the curing process closely. Implementing measures such as covering the concrete with wet burlap or plastic sheeting can significantly reduce moisture loss. By taking these precautions, the risks associated with shrinkage cracks (收缩裂缝) can be minimized, leading to a more durable and reliable structure.In conclusion, shrinkage cracks (收缩裂缝) are a common issue in concrete construction that can have serious implications for the longevity and safety of structures. By understanding the causes and implementing effective mitigation strategies, construction professionals can minimize the occurrence of these cracks. Ultimately, a proactive approach to managing shrinkage will contribute to the overall success of any construction project, ensuring that buildings and infrastructure remain sound and functional for years to come.