plastic moment

简明释义

塑性力矩

英英释义

例句

1.The engineer calculated the plastic moment to ensure the beam could support the load without failing.

工程师计算了塑性时刻以确保梁能够支持负载而不失效。

2.In structural design, understanding the plastic moment is crucial for safety assessments.

在结构设计中，理解塑性时刻对安全评估至关重要。

3.The plastic moment of the material was tested under various loading conditions.

材料的塑性时刻在不同加载条件下进行了测试。

4.When designing a bridge, engineers must consider the plastic moment to prevent structural failure.

在设计桥梁时，工程师必须考虑塑性时刻以防止结构失效。

5.The concept of plastic moment helps in predicting how materials behave under stress.

塑性时刻的概念有助于预测材料在应力下的行为。

作文

The concept of the plastic moment refers to the maximum moment that a structure can withstand before it yields in a plastic manner. This term is crucial in the field of structural engineering, particularly when designing beams and other load-bearing elements. Understanding the plastic moment is essential for ensuring safety and stability in construction projects.When engineers design structures, they must consider various forces that will act upon them, such as gravity, wind, and earthquakes. The plastic moment plays a significant role in determining how much load a beam can carry before it starts to deform permanently. This is important because if a beam exceeds its plastic moment, it can lead to catastrophic failure, which may result in injuries or loss of life.To calculate the plastic moment, engineers use material properties, cross-sectional shapes, and loading conditions. For instance, a steel beam has a higher plastic moment compared to a wooden beam of the same dimensions due to the inherent strength of steel. This is why steel is often preferred in large constructions like skyscrapers and bridges.Moreover, the plastic moment is not just a theoretical concept; it has practical implications in real-world applications. For example, during an earthquake, buildings experience dynamic loads that can exceed the elastic limits of materials. Engineers must account for these scenarios by ensuring that structures can withstand forces beyond their initial design parameters, which often means considering the plastic moment in their calculations.In addition to its importance in structural integrity, the plastic moment also influences the economic aspects of construction. By understanding how to optimize the use of materials based on their plastic moment, engineers can design more efficient structures that use less material without compromising safety. This not only reduces costs but also minimizes environmental impact by lowering the demand for raw materials.Furthermore, the plastic moment is a critical factor in the development of new materials and construction techniques. As technology advances, engineers are constantly exploring innovative materials that can enhance the plastic moment of structures. For example, composite materials that combine different substances can be engineered to achieve higher strength-to-weight ratios, leading to lighter and more resilient structures.In conclusion, the plastic moment is a fundamental concept in structural engineering that encompasses the maximum moment a structure can endure before yielding. Its implications extend beyond mere calculations; it influences safety, economic efficiency, and the advancement of construction technologies. Understanding and applying the principles of the plastic moment is vital for engineers who aspire to create safe and sustainable structures that can withstand the challenges posed by nature and human activity.

“塑性时刻”的概念指的是一个结构在以塑性方式屈服之前能够承受的最大弯矩。这个术语在结构工程领域至关重要，特别是在设计梁和其他承重元素时。理解“塑性时刻”对于确保建筑项目的安全性和稳定性至关重要。当工程师设计结构时，必须考虑将作用于它们的各种力，例如重力、风力和地震。“塑性时刻”在确定梁在开始永久变形之前可以承载多少负荷方面发挥着重要作用。这一点很重要，因为如果梁超过其“塑性时刻”，可能会导致灾难性的失败，从而造成伤害或生命损失。为了计算“塑性时刻”，工程师使用材料特性、横截面形状和加载条件。例如，钢梁相比于相同尺寸的木梁具有更高的“塑性时刻”，这是由于钢的固有强度。这就是为什么在大型建筑如摩天大楼和桥梁中，钢材往往是首选材料。此外，“塑性时刻”不仅是一个理论概念；它在现实应用中也有实际意义。例如，在地震期间，建筑物会经历超出材料弹性极限的动态荷载。工程师必须通过确保结构能够承受超出其初始设计参数的力量来考虑这些场景，这通常意味着在计算中考虑“塑性时刻”。除了对结构完整性的重要性外，“塑性时刻”还影响建筑的经济方面。通过理解如何根据“塑性时刻”优化材料的使用，工程师可以设计出更加高效的结构，使用更少的材料而不妨碍安全。这不仅降低了成本，还通过减少对原材料的需求来最小化对环境的影响。此外，“塑性时刻”是新材料和建筑技术发展的关键因素。随着技术的进步，工程师们不断探索创新材料，以增强结构的“塑性时刻”。例如，可以设计出结合不同物质的复合材料，以实现更高的强度与重量比，从而导致更轻、更坚韧的结构。总之，“塑性时刻”是结构工程中的基本概念，涵盖了一个结构在屈服之前能够承受的最大弯矩。其影响不仅限于简单的计算；它影响着安全性、经济效率和建筑技术的进步。理解和应用“塑性时刻”的原理对于那些希望创造安全和可持续结构的工程师至关重要，这些结构能够承受自然和人类活动带来的挑战。