sag resistance

简明释义

拖索中垂阻力

英英释义

例句

1.Materials with high sag resistance are preferred for construction in areas with extreme weather.

在极端天气地区，优先选择具高抗下垂能力的材料进行施工。

2.The new cable design features enhanced sag resistance, which reduces the risk of sagging under heavy loads.

新的电缆设计具有增强的抗下垂能力，这减少了在重负荷下下垂的风险。

3.Engineers must consider sag resistance when planning the layout of overhead power lines.

工程师在规划架空电力线路布局时必须考虑抗下垂能力。

4.In this project, we need to evaluate the sag resistance of different roofing materials.

在这个项目中，我们需要评估不同屋顶材料的抗下垂能力。

5.The bridge's design incorporates features that improve its sag resistance over time.

桥梁的设计包含提高其随时间推移的抗下垂能力的特征。

作文

In the field of engineering, particularly when discussing the properties of materials and structures, the term sag resistance is often used to describe a material's ability to withstand deformation under load. This concept is crucial in various applications, including construction, manufacturing, and even everyday items like furniture and bridges. Understanding sag resistance can lead to better design choices and improved safety in structures that need to support weight over time.To begin with, sag resistance refers to the capacity of a material to resist bending or sagging when subjected to gravitational forces. For instance, when a beam is placed horizontally and a weight is applied at its center, it will tend to bend downwards due to the force of gravity. The extent to which it bends is influenced by several factors, including the material's stiffness, its cross-sectional shape, and the distance between supports. Materials with high sag resistance are typically those that can maintain their shape and structural integrity under such conditions.One common example of sag resistance can be observed in the design of bridges. Engineers must consider the loads that will be applied to the bridge, including vehicles, pedestrians, and environmental factors like wind and snow. By selecting materials with appropriate sag resistance, they ensure that the bridge remains safe and functional throughout its lifespan. Steel, for instance, is known for its high strength and rigidity, making it an ideal choice for many bridge designs.In contrast, materials with low sag resistance may not perform adequately under similar conditions. For example, a wooden beam may sag significantly if it is too long or if it is not properly supported. This sagging can lead to structural failures or the need for costly repairs. Therefore, understanding the sag resistance of different materials is vital for engineers and architects alike.Moreover, sag resistance is not only a concern in large-scale engineering projects but also in the design of everyday objects. Consider the design of a shelf: if the material chosen has low sag resistance, it may bow under the weight of books or other items, leading to an unsightly appearance and potential failure of the shelf. Manufacturers often conduct tests to determine the sag resistance of materials before they are used in products, ensuring that they meet safety standards and consumer expectations.In conclusion, sag resistance is a fundamental property that plays a critical role in the design and functionality of both large structures and everyday items. By understanding and applying this concept, engineers and designers can create safer, more reliable products that withstand the test of time. Whether it’s a bridge, a building, or a simple shelf, the importance of sag resistance cannot be overstated, as it directly impacts the performance and longevity of a structure. As we continue to innovate and develop new materials, the study of sag resistance will remain a key focus in engineering disciplines, ensuring that our creations are both functional and durable.

在工程领域，特别是在讨论材料和结构的特性时，术语sag resistance常用于描述材料在负载下抵抗变形的能力。这个概念在各种应用中至关重要，包括建筑、制造业，甚至是家具和桥梁等日常物品。理解sag resistance可以带来更好的设计选择，并提高需要长期承重的结构的安全性。首先，sag resistance指的是材料在受到重力作用时抵抗弯曲或下垂的能力。例如，当一根梁水平放置并在其中心施加重量时，由于重力的作用，它会向下弯曲。材料的刚度、横截面形状和支撑之间的距离等多个因素都会影响其弯曲程度。具有高sag resistance的材料通常是那些能够在这种情况下保持其形状和结构完整性的材料。sag resistance的一个常见例子可以在桥梁的设计中观察到。工程师必须考虑将施加在桥上的荷载，包括车辆、行人以及风雪等环境因素。通过选择具有适当sag resistance的材料，他们确保桥梁在其使用寿命内保持安全和功能。钢材因其高强度和刚性而被广泛用于许多桥梁设计中，成为理想选择。相反，具有低sag resistance的材料在类似条件下可能无法充分发挥作用。例如，如果木梁过长或没有得到适当支撑，它可能会显著下垂。这种下垂可能导致结构失效或需要昂贵的维修。因此，了解不同材料的sag resistance对工程师和建筑师来说至关重要。此外，sag resistance不仅是大型工程项目中的关注点，也是日常物品设计中的考虑因素。考虑一下架子的设计：如果选择的材料具有低sag resistance，它可能会在书籍或其他物品的重量下弯曲，导致外观不雅和架子的潜在失效。制造商通常会在使用材料之前进行测试，以确定其sag resistance，以确保它们符合安全标准和消费者期望。总之，sag resistance是一个基本属性，在大型结构和日常物品的设计和功能中发挥着关键作用。通过理解和应用这一概念，工程师和设计师可以创造出更安全、更可靠的产品，能够经受住时间的考验。无论是桥梁、建筑还是简单的架子，sag resistance的重要性都不言而喻，因为它直接影响着结构的性能和耐用性。随着我们不断创新和开发新材料，sag resistance的研究将继续成为工程学科的重点，确保我们的创造物既实用又耐用。