concentrated load

简明释义

集中负载

英英释义

例句

1.The bridge was designed to withstand a concentrated load from heavy trucks during peak traffic hours.

这座桥设计能承受高峰时段重型卡车造成的集中载荷。

2.A forklift can create a concentrated load on the floor if not used properly.

如果叉车使用不当，可能会在地板上产生集中载荷。

3.In construction, a concentrated load can lead to localized stress on beams and columns.

在建筑中，集中载荷可能导致梁和柱上的局部应力。

4.Engineers must consider the effects of concentrated load when calculating the stability of the structure.

工程师在计算结构的稳定性时必须考虑集中载荷的影响。

5.The design of the roof takes into account the concentrated load from snow accumulation.

屋顶的设计考虑了雪积累造成的集中载荷。

作文

In civil engineering and structural analysis, the concept of a concentrated load refers to a load that is applied at a single point on a structure, rather than being distributed over a larger area. This type of loading is crucial in the design and analysis of various structures such as beams, bridges, and buildings. Understanding how concentrated loads affect structural integrity is essential for engineers to ensure safety and functionality.A concentrated load can arise from various sources, including the weight of equipment, vehicles, or even occupants within a building. For instance, when a heavy piece of machinery is placed on a floor, it exerts a concentrated load at that specific point. Similarly, in bridge design, the weight of a vehicle passing over a beam can be considered a concentrated load that needs to be accounted for during the structural analysis.The impact of a concentrated load on a structure can lead to significant stress and deformation at the point of application. Engineers must calculate the maximum load that a structure can withstand before failure occurs. This involves understanding the material properties, geometry of the structure, and the distribution of forces. The analysis often employs mathematical models and simulations to predict how a concentrated load will influence the overall behavior of the structure.One of the most common methods used to analyze concentrated loads is the use of shear and moment diagrams. These diagrams help visualize how forces are distributed throughout a structure and identify critical points where the load may cause the most stress. By plotting the shear force and bending moment along the length of a beam, engineers can pinpoint areas that require reinforcement or redesign to accommodate the concentrated load.Moreover, the location of a concentrated load is also vital. Placing a load too close to the edge of a beam, for example, can lead to failure due to excessive bending moments. Therefore, engineers must carefully consider not only the magnitude of the load but also its position when designing structures to ensure they can safely support the expected concentrated loads.In summary, the concept of a concentrated load is integral to structural engineering. It represents a load applied at a single point, which can significantly influence the performance and safety of a structure. Engineers must rigorously analyze the effects of these loads through various techniques, ensuring that structures can withstand the demands placed upon them. Understanding concentrated loads helps engineers create safe, reliable, and efficient designs that meet the needs of society while minimizing the risk of structural failure.

在土木工程和结构分析中，‘集中载荷’的概念指的是施加在结构单个点上的载荷，而不是分布在更大区域上的载荷。这种类型的载荷在设计和分析各种结构如梁、桥和建筑物时至关重要。理解‘集中载荷’对结构完整性的影响对于工程师确保安全和功能性至关重要。‘集中载荷’可以来自多种来源，包括设备、车辆或甚至建筑物内的居住者的重量。例如，当一台重型机械放置在地板上时，它就在那个特定点施加了一个‘集中载荷’。同样，在桥梁设计中，经过梁的一辆车的重量可以视为需要在结构分析中考虑的‘集中载荷’。‘集中载荷’对结构的影响可能会导致施加点的显著应力和变形。工程师必须计算出结构在发生故障之前可以承受的最大载荷。这涉及到对材料属性、结构几何形状和力的分布的理解。分析通常采用数学模型和模拟来预测‘集中载荷’将如何影响结构的整体行为。分析‘集中载荷’的最常用方法之一是使用剪力和弯矩图。这些图有助于可视化力在整个结构中的分布，并识别出可能造成最大应力的关键点。通过绘制梁的剪力和弯矩，工程师可以确定需要加固或重新设计以适应‘集中载荷’的区域。此外，‘集中载荷’的位置也至关重要。例如，将载荷放置得过于靠近梁的边缘可能会导致由于过度的弯矩而发生失效。因此，工程师在设计结构时，必须仔细考虑载荷的大小和位置，以确保它们能够安全地支撑预期的‘集中载荷’。总之，‘集中载荷’的概念是结构工程中不可或缺的一部分。它代表了施加在单个点的载荷，这可能会显著影响结构的性能和安全性。工程师必须通过各种技术严格分析这些载荷的影响，确保结构能够承受施加在其上的要求。理解‘集中载荷’帮助工程师创建安全、可靠和高效的设计，以满足社会的需求，同时将结构失效的风险降到最低。