allowable stress

简明释义

容许应力

英英释义

例句

1.The project manager reviewed the allowable stress calculations to ensure compliance.

项目经理审核了允许应力计算以确保合规性。

2.The allowable stress limits must be adhered to in order to maintain safety standards.

必须遵守允许应力限制，以保持安全标准。

3.Before construction, we need to verify that the allowable stress is within acceptable limits.

在施工之前，我们需要验证允许应力是否在可接受的范围内。

4.The engineer calculated the allowable stress to ensure the beam would not fail under load.

工程师计算了允许应力以确保梁在负载下不会失效。

5.In designing the bridge, the allowable stress for the materials was a critical factor.

在设计桥梁时，材料的允许应力是一个关键因素。

作文

In the field of engineering, understanding the concept of allowable stress is crucial for ensuring the safety and reliability of structures. Allowable stress refers to the maximum stress that a material can withstand without experiencing failure or yielding. This concept is particularly important in structural design, where engineers must ensure that the materials used can support the loads they will encounter during their service life. When designing a structure, engineers must consider various factors, including the type of materials used, the expected loads, and environmental conditions. The allowable stress is determined based on the material properties, safety factors, and applicable codes and standards. For example, steel has a higher allowable stress compared to concrete, which means it can carry more load before failing. To calculate the allowable stress, engineers often use formulas derived from material mechanics. These calculations take into account the yield strength, ultimate strength, and any factors of safety required by regulatory standards. The goal is to ensure that the actual stress experienced by the material during operation does not exceed the allowable stress. One common application of allowable stress is in the design of beams and columns in buildings. Engineers must ensure that these structural elements can support the weight of the building as well as any additional loads, such as wind or seismic forces. By carefully calculating the allowable stress for each material used in the construction, engineers can create a safe and efficient design. Moreover, the concept of allowable stress is not only limited to static loads. It also applies to dynamic loads, which are loads that change over time. For instance, in bridge design, engineers must consider the impact of moving vehicles, pedestrian traffic, and even environmental factors like temperature fluctuations. By factoring in these dynamic loads, engineers can ensure that the allowable stress remains within safe limits. In conclusion, the importance of allowable stress in engineering cannot be overstated. It serves as a fundamental principle guiding the design and analysis of structures. By understanding and applying the concept of allowable stress, engineers can ensure that their designs are both safe and effective, ultimately protecting lives and investments. As engineering continues to evolve, the focus on maintaining appropriate allowable stress levels will remain a cornerstone of structural integrity and safety.

在工程领域，理解允许应力的概念对于确保结构的安全性和可靠性至关重要。允许应力是指材料在不经历失效或屈服的情况下能够承受的最大应力。这个概念在结构设计中尤为重要，工程师必须确保所使用的材料能够支撑它们在服务生命周期内将遇到的负载。在设计结构时，工程师必须考虑各种因素，包括所用材料的类型、预期负载和环境条件。允许应力是基于材料特性、安全系数以及适用的规范和标准来确定的。例如，钢材的允许应力比混凝土高，这意味着它可以在失效之前承载更多的负载。为了计算允许应力，工程师通常使用源自材料力学的公式。这些计算考虑了屈服强度、极限强度以及法规标准要求的任何安全系数。目标是确保材料在运行过程中所承受的实际应力不超过允许应力。允许应力的一个常见应用是在建筑物的梁和柱的设计中。工程师必须确保这些结构元素能够支撑建筑的重量以及任何额外的负载，例如风或地震力。通过仔细计算所使用的每种材料的允许应力，工程师可以创建安全有效的设计。此外，允许应力的概念不仅限于静态负载。它还适用于动态负载，即随时间变化的负载。例如，在桥梁设计中，工程师必须考虑移动车辆、行人交通甚至温度波动等环境因素的影响。通过考虑这些动态负载，工程师可以确保允许应力保持在安全范围内。总之，允许应力在工程中的重要性不容小觑。它作为指导结构设计和分析的基本原则。通过理解和应用允许应力的概念，工程师可以确保他们的设计既安全又有效，最终保护生命和投资。随着工程的不断发展，保持适当的允许应力水平将始终是结构完整性和安全性的基石。