contraction joint

简明释义

收缩缝

英英释义

例句

1.During the construction of the highway, engineers installed a contraction joint to accommodate temperature changes.

在高速公路的建设过程中，工程师安装了一个收缩缝以适应温度变化。

2.It is important to properly space contraction joints in large concrete structures to maintain integrity.

在大型混凝土结构中，正确间隔收缩缝以保持结构完整性是很重要的。

3.The contraction joint in the concrete slab helps prevent cracking as the material expands and contracts.

混凝土板中的收缩缝有助于防止材料在膨胀和收缩时开裂。

4.The contractor forgot to include contraction joints in the design, leading to significant cracking.

承包商在设计中忘记包含收缩缝，导致了严重的开裂。

5.To ensure durability, the pavement was designed with multiple contraction joints at regular intervals.

为了确保耐用性，路面设计了多个均匀间隔的收缩缝。

作文

In the field of construction and civil engineering, understanding the various components that contribute to the durability and stability of structures is crucial. One such component is the contraction joint, which plays a significant role in managing the stresses that arise due to temperature changes and moisture variations. A contraction joint is essentially a deliberate gap or space created in concrete slabs or other materials to allow for contraction as the material cools and dries. Without these joints, the concrete would be susceptible to cracking, leading to potential structural failures over time.When concrete is poured, it is in a plastic state, which means it can expand and contract during the curing process. As the temperature drops or as the concrete dries, it begins to shrink. If there are no contraction joints in place, this shrinkage can cause significant internal stresses within the concrete. These stresses can lead to cracks that not only affect the aesthetic appeal of the structure but can also compromise its integrity.The design and placement of contraction joints are critical for ensuring the longevity of concrete structures. Engineers typically determine the spacing and depth of these joints based on the size of the slab, the environmental conditions, and the expected load on the surface. For instance, in large concrete slabs, contraction joints are often placed at regular intervals to effectively control where the cracks will occur. This planning helps to ensure that any potential cracks develop in the joints rather than in the middle of the slab, where they could be more damaging.Moreover, the materials used in the construction of contraction joints are also important. They need to be compatible with the surrounding concrete to ensure a seamless transition and effective performance. Common materials include sealants that can accommodate movement while preventing water infiltration, which could lead to further deterioration of the concrete.In addition to their structural benefits, contraction joints also play a vital role in the maintenance of concrete surfaces. Regular inspection and maintenance of these joints can prevent water accumulation and debris buildup, which can exacerbate wear and tear. By keeping the joints clear and functional, property owners can extend the lifespan of their concrete installations significantly.In conclusion, the importance of contraction joints in construction cannot be overstated. They are essential for managing the natural movements of concrete as it cures and ages, thereby preventing cracks and ensuring the structural integrity of buildings, roads, and other infrastructure. Understanding how to properly implement and maintain these joints is a key aspect of successful civil engineering and construction practices. As we continue to advance in our building techniques, the role of contraction joints will remain a fundamental element in creating resilient and durable structures that stand the test of time.

在建筑和土木工程领域，理解构成结构耐久性和稳定性的各种组件至关重要。其中一个组件是收缩缝，它在管理由于温度变化和湿度变化而产生的应力方面发挥着重要作用。收缩缝本质上是在混凝土板或其他材料中创建的故意间隙或空间，以允许材料在冷却和干燥时收缩。如果没有这些接缝，混凝土将容易出现开裂，从而导致潜在的结构故障。当混凝土浇筑时，它处于塑性状态，这意味着它在固化过程中会膨胀和收缩。随着温度下降或混凝土干燥，它开始收缩。如果没有收缩缝，这种收缩可能会导致混凝土内部产生显著的应力。这些应力不仅会影响结构的美观，还会危及其完整性。收缩缝的设计和放置对于确保混凝土结构的耐久性至关重要。工程师通常根据板的大小、环境条件和表面预期负载来确定这些接缝的间距和深度。例如，在大型混凝土板中，收缩缝通常按规则间隔放置，以有效控制裂缝发生的位置。这种规划有助于确保任何潜在的裂缝在接缝处发展，而不是在板的中间，这样可能更具破坏性。此外，构建收缩缝所使用的材料也很重要。它们需要与周围的混凝土兼容，以确保无缝过渡和有效性能。常用材料包括可以适应运动的密封剂，同时防止水渗入，这可能导致混凝土进一步恶化。除了结构性好处外，收缩缝在混凝土表面的维护中也发挥着重要作用。定期检查和维护这些接缝可以防止水积聚和杂物堆积，这可能会加剧磨损。通过保持接缝清晰和功能正常，物业所有者可以显著延长混凝土安装的使用寿命。总之，收缩缝在建筑中的重要性不容忽视。它们对于管理混凝土在固化和老化过程中的自然运动至关重要，从而防止裂缝并确保建筑物、道路和其他基础设施的结构完整性。了解如何正确实施和维护这些接缝是成功的土木工程和建筑实践的关键方面。随着我们在建筑技术上的不断进步，收缩缝的作用将仍然是创造经得起时间考验的韧性和耐用结构的基本要素。