allowable load

简明释义

许用载荷

英英释义

例句

1.Before loading the truck, we must check the allowable load to avoid overloading.

在装载卡车之前，我们必须检查允许载荷以避免超载。

2.The manufacturer specifies the allowable load for each type of shelving unit to prevent collapse.

制造商为每种类型的货架单元指定了允许载荷，以防止坍塌。

3.The allowable load for this crane is 20 tons, which must not be exceeded during operation.

这台起重机的允许载荷是20吨，操作时不得超过此值。

4.Engineers calculated the allowable load for the new building to ensure it can withstand strong winds.

工程师计算了新建筑的允许载荷，以确保它能抵御强风。

5.The bridge was designed to support an allowable load of 10 tons, ensuring safety for vehicles crossing.

这座桥的设计能够承受10吨的允许载荷，确保过往车辆的安全。

作文

In engineering and construction, the term allowable load refers to the maximum load that a structure or component can safely support without experiencing failure or excessive deformation. Understanding the concept of allowable load is crucial for engineers and architects as it directly impacts the safety and longevity of buildings, bridges, and other infrastructures. The determination of allowable load is based on various factors, including material properties, design standards, and environmental conditions.When designing a structure, engineers must consider the materials used, such as steel, concrete, or wood, each of which has different strength characteristics. For instance, steel has a high tensile strength, allowing it to support greater loads compared to wood. The allowable load is typically calculated using specific formulas that take into account the material's yield strength and safety factors. Safety factors are applied to ensure that the structure can handle unexpected loads, such as those caused by natural disasters or heavy traffic.In addition to material properties, the design of the structure itself plays a significant role in determining the allowable load. Engineers must analyze the geometry and connections within the structure to ensure that all components work together to distribute loads evenly. For example, in a beam, the way it is supported at its ends will influence how much load it can carry in the center. Properly designed connections, such as welds or bolts, are also critical in maintaining the integrity of the structure under load.Environmental conditions, such as wind, snow, and seismic activity, must also be considered when calculating the allowable load. Structures must be designed to withstand these external forces without exceeding their allowable load. For instance, a bridge in a snowy region will need to account for the weight of accumulated snow, while a building in an earthquake-prone area must be able to endure lateral forces from ground movement.Furthermore, the concept of allowable load extends beyond just static loads; dynamic loads, such as those from moving vehicles or machinery, also need to be factored in. These loads can create additional stresses on structures, making it essential for engineers to evaluate how these dynamic forces interact with the allowable load capacity of the materials used.In practice, the implications of miscalculating allowable load can be severe. Structural failures can lead to catastrophic accidents, loss of life, and significant financial repercussions. Therefore, rigorous testing and analysis are conducted during the design phase to ensure that all elements of the structure can handle the expected loads safely.In conclusion, the concept of allowable load is fundamental in the field of engineering and construction. It encompasses a variety of factors, including material properties, design considerations, and environmental influences. By thoroughly understanding and applying the principles surrounding allowable load, engineers can create safe and durable structures that stand the test of time. The importance of this concept cannot be overstated, as it is vital for protecting both human life and investments in infrastructure.

在工程和建筑中，术语allowable load指的是一个结构或组件在不发生失效或过度变形的情况下可以安全承受的最大负载。理解allowable load的概念对于工程师和建筑师至关重要，因为它直接影响到建筑、桥梁和其他基础设施的安全性和耐久性。allowable load的确定基于多种因素，包括材料特性、设计标准和环境条件。在设计结构时，工程师必须考虑所用材料，如钢、混凝土或木材，每种材料具有不同的强度特性。例如，钢具有高抗拉强度，使其能够承受比木材更大的负载。通常使用特定公式计算allowable load，这些公式考虑了材料的屈服强度和安全系数。应用安全系数是为了确保结构能够承受意外负载，例如自然灾害或重型交通造成的负载。除了材料特性外，结构本身的设计在确定allowable load方面也起着重要作用。工程师必须分析结构内的几何形状和连接，以确保所有组件共同工作，以均匀分配负载。例如，在一根梁中，它在两端的支撑方式将影响其在中心能够承载的负载。适当设计的连接，如焊接或螺栓，对于在负载下保持结构的完整性也是至关重要的。环境条件，如风、雪和地震活动，也必须在计算allowable load时考虑在内。结构必须设计成能够承受这些外部力量，而不超过其allowable load。例如，位于多雪地区的桥梁需要考虑积雪的重量，而位于地震频发区域的建筑物必须能够承受来自地面运动的横向力。此外，allowable load的概念不仅限于静态负载；动态负载，例如来自移动车辆或机械的负载，也需要考虑。这些负载可能会给结构带来额外的应力，因此工程师必须评估这些动态力量如何与所用材料的allowable load能力相互作用。在实践中，错误计算allowable load的后果可能是严重的。结构失败可能导致灾难性事故、生命损失和重大的经济损失。因此，在设计阶段进行严格的测试和分析，以确保结构的所有元素都能安全承受预期的负载是至关重要的。总之，allowable load的概念在工程和建筑领域中是基本的。它涵盖了多种因素，包括材料特性、设计考虑和环境影响。通过深入理解和应用围绕allowable load的原则，工程师可以创建安全且耐用的结构，经得起时间的考验。这个概念的重要性不容小觑，因为它对于保护人类生命和基础设施投资至关重要。