expansion joint

简明释义

伸缩接头

英英释义

例句

1.The engineer recommended using a flexible material for the expansion joint to handle movement.

工程师建议使用柔性材料作为伸缩缝以应对运动。

2.The construction team installed an expansion joint to accommodate thermal expansion in the bridge.

施工团队安装了一个伸缩缝以适应桥梁的热膨胀。

3.Without a proper expansion joint, the pavement could crack under pressure.

没有合适的伸缩缝，路面可能会在压力下开裂。

4.During the repair, they found that the old expansion joint had deteriorated significantly.

在修理过程中，他们发现旧的伸缩缝已经严重退化。

5.Regular maintenance of the expansion joint is essential to prevent water leakage.

定期维护伸缩缝对于防止水漏至关重要。

作文

In the world of construction and engineering, the term expansion joint refers to a crucial component designed to absorb the thermal expansion and contraction of building materials. This phenomenon occurs due to temperature changes, which can cause materials to expand when heated and contract when cooled. Without proper measures in place, these natural movements can lead to cracks, structural damage, or even catastrophic failures. Therefore, understanding the function and importance of an expansion joint is essential for anyone involved in the construction industry.An expansion joint serves as a flexible separator between two parts of a structure, allowing them to move independently without causing stress on the adjoining sections. This flexibility is particularly important in large structures such as bridges, highways, and skyscrapers, where the effects of temperature changes can be significant. For instance, a bridge may expand by several inches during hot weather, and without an expansion joint, the bridge could suffer from buckling or cracking.The design of an expansion joint can vary depending on its application. In bridges, for example, these joints are often made of durable materials such as steel or rubber that can withstand heavy loads and harsh weather conditions. In buildings, expansion joints are typically placed at regular intervals to allow for movement throughout the structure. This strategic placement helps to ensure that the building remains stable and intact over time.Moreover, the installation of expansion joints is not just a matter of practicality; it is also a vital aspect of architectural aesthetics. When properly integrated into a design, these joints can enhance the overall appearance of a building or structure. Architects often collaborate with engineers to ensure that the placement and design of expansion joints do not detract from the visual appeal while still fulfilling their functional purpose.In addition to temperature fluctuations, expansion joints also accommodate other factors such as seismic activity and settling of the ground. For instance, in earthquake-prone areas, these joints play a critical role in allowing buildings to sway without suffering damage. The flexibility provided by expansion joints can be the difference between a structure that withstands seismic forces and one that collapses under pressure.Maintenance of expansion joints is equally important. Over time, exposure to environmental elements can lead to wear and tear, potentially compromising their effectiveness. Regular inspections and timely repairs are necessary to ensure that these joints continue to function as intended. Neglecting this maintenance can result in costly repairs or even endanger the safety of the structure and its occupants.In conclusion, the concept of an expansion joint is integral to modern construction and engineering practices. Their ability to accommodate temperature changes, seismic activity, and other stresses makes them indispensable in ensuring the longevity and safety of structures. As we continue to build taller and more complex buildings, the importance of understanding and properly implementing expansion joints will only grow. It is a testament to the ingenuity of engineering that something as simple as a joint can have such a profound impact on the integrity of our built environment.

在建筑和工程领域，术语膨胀缝指的是一种关键组件，旨在吸收建筑材料的热膨胀和收缩。这种现象是由于温度变化引起的，材料在加热时会膨胀，而在冷却时会收缩。如果没有适当的措施，这些自然运动可能导致裂缝、结构损坏，甚至灾难性故障。因此，理解膨胀缝的功能和重要性对于任何参与建筑行业的人来说都是至关重要的。膨胀缝作为结构两个部分之间的灵活分隔物，允许它们独立移动而不对相邻部分造成压力。这种灵活性在大型结构中尤为重要，例如桥梁、高速公路和摩天大楼，在这些地方，温度变化的影响可能非常显著。例如，一座桥梁在炎热天气中可能会膨胀几英寸，如果没有膨胀缝，桥梁可能会发生弯曲或开裂。膨胀缝的设计可以根据其应用的不同而有所变化。在桥梁中，这些缝通常由耐用材料如钢或橡胶制成，能够承受重载和恶劣的天气条件。在建筑物中，膨胀缝通常以规律的间隔放置，以允许整个结构的运动。这种战略性放置有助于确保建筑物随着时间的推移保持稳定和完整。此外，膨胀缝的安装不仅仅是实用问题；它也是建筑美学的重要方面。当适当地融入设计时，这些缝可以增强建筑或结构的整体外观。建筑师通常与工程师合作，以确保膨胀缝的放置和设计不会影响视觉吸引力，同时仍然履行其功能目的。除了温度波动外，膨胀缝还可容纳其他因素，如地震活动和地面沉降。例如，在易发生地震的地区，这些缝在允许建筑物摇摆而不受损害方面发挥着关键作用。膨胀缝提供的灵活性可以是结构在承受压力时是否能承受地震力量之间的区别。膨胀缝的维护同样重要。随着时间的推移，暴露在环境元素下可能导致磨损，从而可能影响其有效性。定期检查和及时修理是确保这些缝继续按预期功能工作的必要措施。忽视这种维护可能导致昂贵的修理费用，甚至危及结构及其居住者的安全。总之，膨胀缝的概念是现代建筑和工程实践中不可或缺的一部分。它们能够适应温度变化、地震活动和其他压力，使它们在确保结构的耐久性和安全性方面不可或缺。随着我们继续建造更高和更复杂的建筑，理解和正确实施膨胀缝的重要性只会增加。正是工程的聪明才智使得像缝这样的简单东西能够对我们建造环境的完整性产生如此深远的影响。