limit load

简明释义

极限负载

英英释义

例句

1.It's crucial to understand the limit load when designing any heavy machinery.

在设计任何重型机械时，了解极限载荷至关重要。

2.Engineers calculated the limit load for the bridge to prevent structural failure.

工程师计算了桥梁的极限载荷以防止结构失效。

3.The aircraft must not exceed its limit load to ensure safety during flight.

飞机在飞行过程中必须不超过其极限载荷以确保安全。

4.The limit load for this cargo ship is specified in the operational manual.

这艘货船的极限载荷在操作手册中有说明。

5.During testing, the team monitored the limit load to assess the equipment's durability.

在测试过程中，团队监测了极限载荷以评估设备的耐久性。

作文

In engineering, particularly in the fields of civil and structural engineering, the term limit load refers to the maximum load that a structure can support without experiencing failure or significant deformation. Understanding the concept of limit load is crucial for ensuring the safety and durability of structures such as bridges, buildings, and dams. Engineers must calculate the limit load to determine how much weight a structure can safely hold while considering various factors such as material properties, environmental conditions, and usage patterns.When designing a new structure, engineers begin by assessing the materials that will be used. Different materials have different strength characteristics; for example, steel has a high tensile strength, making it suitable for heavy loads, while wood may have limitations due to its lower strength. The limit load is influenced by these material properties, and engineers must ensure that the selected materials can withstand the anticipated loads without exceeding their limit load thresholds.Moreover, environmental factors such as wind, snow, and seismic activity can significantly impact the limit load of a structure. For instance, a bridge must be designed to handle not only the weight of vehicles but also the added forces from wind and potential earthquakes. By accounting for these variables, engineers can establish a more accurate limit load that ensures safety under various conditions.In addition to static loads, dynamic loads must also be considered when calculating the limit load. Dynamic loads are those that change over time, such as traffic on a highway or the movement of people within a building. These loads can create additional stress on a structure, and engineers must evaluate how these dynamic forces interact with the static loads to determine the overall limit load capacity.The importance of understanding the limit load cannot be overstated. Structures that are not designed with an adequate limit load can face severe consequences, including catastrophic failures that can result in loss of life and property. Historical examples, such as the collapse of the Tacoma Narrows Bridge in 1940, highlight the necessity of thorough load analysis in engineering design.To summarize, the concept of limit load is fundamental in engineering practices. It encompasses the maximum load a structure can bear and is influenced by material properties, environmental conditions, and dynamic factors. Engineers must carefully calculate and consider the limit load during the design phase to ensure that structures remain safe and functional throughout their lifespan. By prioritizing this crucial aspect of engineering, we can help prevent failures and promote the longevity and safety of our built environment.

在工程学中，特别是在土木和结构工程领域，术语极限载荷指的是一个结构在没有经历失败或显著变形的情况下能够承受的最大载荷。理解极限载荷的概念对于确保桥梁、建筑物和大坝等结构的安全性和耐久性至关重要。工程师必须计算极限载荷以确定一个结构在考虑材料特性、环境条件和使用模式等各种因素时可以安全承受多少重量。在设计新结构时，工程师首先评估将要使用的材料。不同材料具有不同的强度特性；例如，钢材具有高拉伸强度，适合承受重载，而木材由于其较低的强度可能存在局限性。极限载荷受到这些材料特性的影响，工程师必须确保所选材料能够承受预期载荷而不超过其极限载荷阈值。此外，风、雪和地震活动等环境因素也会对结构的极限载荷产生重大影响。例如，一个桥梁必须设计成不仅能够承受车辆的重量，还能应对来自风和潜在地震的附加力量。通过考虑这些变量，工程师可以建立一个更准确的极限载荷，以确保在各种条件下的安全。除了静态载荷外，在计算极限载荷时还必须考虑动态载荷。动态载荷是指随时间变化的载荷，例如高速公路上的交通或建筑物内的人群运动。这些载荷可能会给结构带来额外的压力，工程师必须评估这些动态力与静态载荷之间的相互作用，以确定整体的极限载荷能力。理解极限载荷的重要性不容小觑。未能充分考虑极限载荷设计的结构可能面临严重后果，包括导致生命和财产损失的灾难性故障。历史案例，例如1940年塔科马海峡大桥的倒塌，突显了在工程设计中进行全面载荷分析的必要性。总之，极限载荷的概念在工程实践中是基础性的。它涵盖了一个结构可以承受的最大载荷，并受到材料特性、环境条件和动态因素的影响。工程师必须在设计阶段仔细计算和考虑极限载荷，以确保结构在其生命周期内保持安全和功能。通过优先考虑这一关键的工程方面，我们可以帮助防止故障，并促进我们建筑环境的持久性和安全性。