expansion joint

简明释义

伸缩缝

英英释义

例句

1.The building's design incorporates expansion joints to allow for movement during earthquakes.

建筑设计中包含了伸缩缝以便在地震期间允许移动。

2.Regular maintenance of expansion joints is crucial for the longevity of the structure.

定期维护伸缩缝对于结构的耐久性至关重要。

3.The bridge has several expansion joints to accommodate temperature changes.

这座桥有几个伸缩缝以适应温度变化。

4.During construction, the engineer specified the placement of expansion joints in the concrete slab.

在施工过程中，工程师指定了混凝土板中伸缩缝的放置位置。

5.If not properly installed, expansion joints can lead to cracking in the pavement.

如果没有正确安装，伸缩缝可能会导致路面开裂。

作文

In the field of construction and engineering, the term expansion joint refers to a crucial component designed to accommodate the natural expansion and contraction of materials caused by temperature changes. This phenomenon is particularly significant in structures made of concrete, steel, or other materials that are sensitive to thermal variations. Without the inclusion of expansion joints (膨胀缝), buildings and bridges could suffer from severe damage over time due to the stress imposed by these temperature-induced movements.When temperatures rise, materials tend to expand, and when they cool, they contract. This cycle can lead to cracking, warping, or even structural failure if not properly managed. The role of expansion joints (膨胀缝) is to provide a designated space for this movement, allowing different sections of a structure to move independently without causing damage to adjacent areas.For instance, in a long bridge, the segments of the bridge deck may experience different temperatures at different times. If the bridge were solidly connected without any expansion joints (膨胀缝), the heat would cause the entire structure to expand uniformly. However, the sections might not be able to move freely, leading to potential buckling or cracking. By incorporating expansion joints (膨胀缝) into the design, engineers ensure that each segment can expand and contract as needed, preserving the integrity of the bridge.Moreover, expansion joints (膨胀缝) are not only limited to bridges but are also essential in various applications, including highways, railways, and even residential buildings. In roads, for example, asphalt and concrete surfaces can develop cracks if there are no provisions for thermal expansion. Engineers often install expansion joints (膨胀缝) to manage these forces effectively.The design of expansion joints (膨胀缝) can vary significantly depending on the specific requirements of the project. They can be made from various materials, including rubber, metal, or composite materials, and can be designed to handle not just thermal expansion but also other factors like seismic activity or ground settlement. This adaptability makes expansion joints (膨胀缝) a vital consideration in modern engineering practices.In addition to their practical applications, understanding the importance of expansion joints (膨胀缝) highlights the intricate relationship between design and function in engineering. It showcases how thoughtful planning can lead to more durable and resilient structures that can withstand the test of time. As climate change continues to affect global temperatures, the significance of expansion joints (膨胀缝) will likely become even more pronounced, necessitating ongoing research and innovation in this area.In conclusion, the concept of expansion joints (膨胀缝) plays an integral role in ensuring the longevity and safety of various structures. By allowing for the necessary movement caused by temperature fluctuations, they help prevent damage and maintain structural integrity. As we continue to build and innovate, the importance of incorporating expansion joints (膨胀缝) into our designs cannot be overstated, making them a fundamental aspect of modern engineering.

在建筑和工程领域，术语膨胀缝指的是一个关键组件，旨在适应由于温度变化引起的材料自然膨胀和收缩。这种现象在混凝土、钢铁或其他对热变化敏感的材料构成的结构中尤为重要。如果没有包含膨胀缝，建筑物和桥梁可能会因这些温度引起的运动施加的压力而随着时间的推移遭受严重损坏。当温度升高时，材料往往会膨胀，而当它们冷却时，则会收缩。如果不加以妥善管理，这一周期可能导致开裂、变形甚至结构失效。膨胀缝的作用是提供一个指定的空间，允许这种运动发生，从而使结构的不同部分能够独立移动，而不会对相邻区域造成损害。例如，在一座长桥上，桥面板的各个部分可能在不同时间经历不同的温度。如果桥是固连接的，没有任何膨胀缝，热量将导致整个结构均匀膨胀。然而，各部分可能无法自由移动，从而导致潜在的翘曲或开裂。通过在设计中加入膨胀缝，工程师确保每个部分可以根据需要膨胀和收缩，从而保持桥的完整性。此外，膨胀缝不仅仅限于桥梁，它们在各种应用中也是必不可少的，包括高速公路、铁路，甚至住宅建筑。例如，在道路中，如果没有热膨胀的规定，沥青和混凝土表面可能会出现裂缝。工程师通常会安装膨胀缝以有效管理这些力量。膨胀缝的设计可以根据项目的具体要求有很大差异。它们可以由各种材料制成，包括橡胶、金属或复合材料，并且可以设计成不仅处理热膨胀，还处理其他因素，如地震活动或地基沉降。这种适应性使得膨胀缝成为现代工程实践中的重要考虑因素。除了它们的实际应用，理解膨胀缝的重要性突显了设计与功能在工程中的复杂关系。它展示了深思熟虑的规划如何导致更耐用和更具韧性的结构，能够经受住时间的考验。随着气候变化持续影响全球温度，膨胀缝的重要性可能会变得更加明显，因此需要在这一领域进行持续的研究和创新。总之，膨胀缝的概念在确保各种结构的持久性和安全性方面发挥着不可或缺的作用。通过允许因温度波动引起的必要运动，它们帮助防止损坏并维持结构完整性。随着我们继续建设和创新，将膨胀缝纳入我们的设计中的重要性不可低估，使其成为现代工程的基本方面。