expansion joint

简明释义

伸缩接合

英英释义

例句

1.The bridge was designed with an expansion joint to accommodate temperature changes.

这座桥的设计中包含了一个膨胀缝以适应温度变化。

2.During the construction of the highway, engineers installed expansion joints to prevent cracking.

在高速公路的建设过程中，工程师安装了膨胀缝以防止开裂。

3.The expansion joint in the building allows for movement due to settling.

建筑中的膨胀缝允许因沉降而产生的位移。

4.The expansion joints help to absorb vibrations from heavy traffic on the road.

这些膨胀缝有助于吸收来自道路上重型交通的振动。

5.Regular maintenance is essential for the longevity of expansion joints in concrete structures.

定期维护对混凝土结构中膨胀缝的耐用性至关重要。

作文

In the field of construction and engineering, understanding the various components that make up structures is crucial for ensuring their longevity and safety. One such component that plays a vital role in maintaining the integrity of buildings and bridges is the expansion joint. An expansion joint (伸缩缝) is designed to absorb the thermal expansion and contraction of building materials, which can occur due to changes in temperature and environmental conditions. Without these joints, structures could suffer from severe damage over time due to stress and strain caused by temperature fluctuations.The primary function of an expansion joint is to allow for movement within a structure without causing significant damage. For instance, when a bridge heats up during the summer months, the materials expand. If there were no expansion joints, the bridge could buckle or crack under the pressure of this expansion. Similarly, during colder months, materials contract, and again, without the presence of expansion joints, structural elements could become overly stressed, leading to potential failures.There are several types of expansion joints used in construction, each suited for different applications. For example, concrete structures often utilize flexible expansion joints that can accommodate a certain degree of movement. These joints are typically made from materials like rubber or silicone, which can flex and compress as needed. On the other hand, metal structures might use rigid expansion joints, which can handle larger movements but offer less flexibility.In addition to bridges and buildings, expansion joints are also commonly found in pipelines and roadways. In pipelines, expansion joints help prevent leaks and ruptures caused by thermal expansion. In roadways, they provide a smooth transition between sections of pavement, allowing for slight movements without creating bumps or uneven surfaces.The installation of expansion joints must be done with great care to ensure they function properly. Engineers must calculate the expected movement of materials and select the appropriate type and placement of expansion joints accordingly. Regular maintenance is also necessary to check for wear and tear, as damaged joints can lead to more significant structural issues if not addressed promptly.In conclusion, expansion joints are an essential element in modern construction, providing the necessary flexibility to accommodate the natural movements of materials due to temperature changes. Their proper design, installation, and maintenance are critical to the safety and durability of structures. As we continue to build more complex and larger structures, the role of expansion joints will only become more significant, highlighting the need for ongoing education and awareness in the engineering community about their importance.

在建筑和工程领域，理解构成结构的各种组件对于确保其持久性和安全性至关重要。其中一个在维护建筑物和桥梁完整性方面发挥重要作用的组件是伸缩缝。伸缩缝（expansion joint）旨在吸收建筑材料的热膨胀和收缩，这可能由于温度和环境条件的变化而发生。如果没有这些缝隙，结构可能会因温度波动造成的压力和应变而随着时间的推移遭受严重损坏。伸缩缝的主要功能是允许结构内的运动而不会造成重大损害。例如，当桥梁在夏季加热时，材料会膨胀。如果没有伸缩缝，桥梁可能会因这种膨胀而弯曲或开裂。同样，在寒冷的月份，材料收缩，再次地，如果没有伸缩缝的存在，结构元素可能会过度受压，从而导致潜在的失败。在建筑中使用的伸缩缝有几种类型，每种类型适用于不同的应用。例如，混凝土结构通常利用灵活的伸缩缝，可以容纳一定程度的运动。这些接缝通常由橡胶或硅胶等材料制成，可以根据需要弯曲和压缩。另一方面，金属结构可能会使用刚性的伸缩缝，可以处理更大的运动，但提供的灵活性较小。除了桥梁和建筑物，伸缩缝还常见于管道和道路。在管道中，伸缩缝有助于防止因热膨胀造成的泄漏和破裂。在道路中，它们提供了不同路面之间的平滑过渡，允许轻微的运动而不会造成颠簸或不平坦的表面。伸缩缝的安装必须非常小心，以确保它们正常运行。工程师必须计算材料的预期运动，并相应选择合适的伸缩缝类型和位置。定期维护也是必要的，以检查磨损情况，因为损坏的接缝如果不及时处理，可能会导致更严重的结构问题。总之，伸缩缝是现代建筑中的一个基本元素，为适应材料因温度变化而产生的自然运动提供了必要的灵活性。它们的正确设计、安装和维护对结构的安全性和耐久性至关重要。随着我们继续建造更复杂和更大的结构，伸缩缝的角色将变得更加重要，这突显了工程界对其重要性进行持续教育和意识提高的必要性。