allowable shear stress

简明释义

许用切应力

英英释义

例句

1.In concrete structures, the allowable shear stress (允许剪切应力) is critical for ensuring stability during seismic events.

在混凝土结构中，allowable shear stress (允许剪切应力) 对于确保在地震事件中的稳定性至关重要。

2.The design of the beam must ensure that the maximum shear force does not exceed the allowable shear stress (允许剪切应力) for the material used.

梁的设计必须确保最大剪切力不超过所用材料的allowable shear stress (允许剪切应力)。

3.Engineers often refer to the allowable shear stress (允许剪切应力) in their calculations to prevent structural failures.

工程师在计算中经常参考allowable shear stress (允许剪切应力) 以防止结构失效。

4.The allowable shear stress (允许剪切应力) can vary significantly between different types of steel.

不同类型的钢材之间的allowable shear stress (允许剪切应力) 可能会有显著差异。

5.When selecting materials for a project, it’s important to consider the allowable shear stress (允许剪切应力) to ensure safety.

在为项目选择材料时，考虑allowable shear stress (允许剪切应力) 是确保安全的重要因素。

作文

Understanding the concept of allowable shear stress is crucial in the field of engineering and materials science. Shear stress refers to the force per unit area that causes one layer of material to slide over another. In practical terms, it is a measure of how much load a material can withstand before failing due to sliding forces. The allowable shear stress is essentially the maximum shear stress that a material can endure without experiencing permanent deformation or failure. This value is determined through various testing methods and is influenced by factors such as the material's properties, temperature, and the presence of any flaws or defects.

理解允许剪切应力的概念在工程和材料科学领域至关重要。剪切应力是指使材料的一层滑动到另一层上的单位面积上的力。从实际角度来看，它是衡量材料在滑动力作用下能承受多少负载而不发生失效的指标。允许剪切应力基本上是材料在不经历永久变形或失效的情况下可以承受的最大剪切应力。这个值通过各种测试方法确定，并受到材料特性、温度以及缺陷或瑕疵存在等因素的影响。

In structural engineering, understanding allowable shear stress is vital for ensuring the safety and stability of structures. Engineers must calculate the shear forces acting on beams, plates, and other structural elements to ensure that they do not exceed the allowable shear stress. If the shear stress exceeds this limit, it can lead to catastrophic failures, such as buckling or shearing off of components. Therefore, determining the appropriate allowable shear stress is an essential part of the design process.

在结构工程中，理解允许剪切应力对于确保结构的安全性和稳定性至关重要。工程师必须计算施加在梁、板和其他结构元件上的剪切力，以确保它们不会超过允许剪切应力。如果剪切应力超过了这个极限，就可能导致灾难性的故障，例如构件的屈曲或剪切。因此，确定适当的允许剪切应力是设计过程中的一个重要部分。

The determination of allowable shear stress involves several steps. First, engineers must select the appropriate material for the application, considering factors like strength, ductility, and cost. Next, they perform tests to determine the material's shear strength, which is the ultimate stress that the material can withstand before failure. From this value, a safety factor is applied to establish the allowable shear stress. The safety factor accounts for uncertainties in the material properties, loading conditions, and environmental factors that may affect performance.

允许剪切应力的确定涉及几个步骤。首先，工程师必须为应用选择合适的材料，考虑强度、延展性和成本等因素。接下来，他们进行测试以确定材料的剪切强度，即材料在失效前能够承受的极限应力。根据这个值，应用安全系数来建立允许剪切应力。安全系数考虑了材料特性、加载条件和可能影响性能的环境因素的不确定性。

Moreover, different materials have different allowable shear stress values. For example, metals typically have higher shear strengths compared to plastics or wood. This characteristic makes metals a preferred choice in construction and manufacturing applications where high shear loads are expected. Understanding the specific allowable shear stress for each material helps engineers make informed decisions about material selection and structural design.

此外，不同材料具有不同的允许剪切应力值。例如，金属的剪切强度通常高于塑料或木材。这一特性使金属成为建筑和制造应用中预期会承受高剪切载荷的首选材料。了解每种材料的具体允许剪切应力有助于工程师在材料选择和结构设计中做出明智的决策。

In conclusion, the concept of allowable shear stress is a fundamental aspect of engineering design and analysis. It ensures that materials and structures can safely withstand the forces they encounter in their intended applications. By understanding and applying the principles surrounding allowable shear stress, engineers can prevent failures and enhance the reliability and safety of their designs.

总之，允许剪切应力的概念是工程设计和分析的基本方面。它确保材料和结构能够安全地承受其预期应用中遇到的力量。通过理解和应用围绕允许剪切应力的原则，工程师可以防止故障并增强其设计的可靠性和安全性。