allowable strength

简明释义

容许强度

英英释义

例句

1.Before proceeding with the design, we need to verify the allowable strength of the beams used.

在进行设计之前，我们需要验证所用梁的允许强度。

2.In seismic design, the allowable strength must account for dynamic loads.

在抗震设计中，允许强度必须考虑动态荷载。

3.The contractor ensured that the materials used met the allowable strength requirements specified in the code.

承包商确保所用材料符合规范中规定的允许强度要求。

4.The engineer calculated the allowable strength of the material to ensure safety in the construction project.

工程师计算了材料的允许强度以确保施工项目的安全。

5.The allowable strength for this type of steel is significantly higher than for aluminum.

这种钢材的允许强度明显高于铝材。

作文

In the field of engineering and construction, the term allowable strength is crucial for ensuring safety and structural integrity. Allowable strength refers to the maximum load or stress that a material or structure can withstand without experiencing failure or unacceptable deformation. This concept is vital in various applications, including civil engineering, mechanical design, and materials science. Understanding allowable strength helps engineers make informed decisions about the materials they choose and the designs they implement. When designing a structure, engineers must take into account various factors such as the type of materials used, environmental conditions, and the intended use of the structure. For example, in the construction of a bridge, engineers must consider the weight of vehicles, wind loads, and potential seismic activity. By calculating the allowable strength of the materials being used, they can ensure that the bridge will safely support the expected loads without collapsing. The determination of allowable strength involves rigorous testing and analysis. Engineers often refer to established codes and standards that provide guidelines on how to calculate the allowable strength for different materials. These standards take into account factors such as material properties, safety factors, and load conditions. For instance, the American Institute of Steel Construction (AISC) publishes specifications that outline the allowable strength for various steel grades used in construction. One important aspect of allowable strength is the concept of safety factors. A safety factor is a multiplier applied to the calculated strength of a material to account for uncertainties in design, material defects, and unexpected loads. For example, if a material has a tensile strength of 100 MPa, an engineer may apply a safety factor of 1.5, resulting in an allowable strength of approximately 66.67 MPa. This means that the engineer can safely use this material for loads up to 66.67 MPa, providing a margin of safety against potential failure. In addition to safety considerations, understanding allowable strength is also essential for optimizing material usage and reducing costs. By accurately determining the allowable strength of materials, engineers can avoid over-engineering structures, which can lead to unnecessary expenses. For example, using a stronger material than necessary can increase project costs and weight, which may not be justified by the additional strength provided. Conversely, underestimating the allowable strength can result in unsafe designs that could lead to catastrophic failures. In conclusion, the term allowable strength plays a vital role in the engineering and construction industries. It ensures that structures are designed with safety and reliability in mind while also promoting efficiency and cost-effectiveness. By thoroughly understanding and applying the concept of allowable strength, engineers can create structures that not only meet performance requirements but also stand the test of time. As technology advances and new materials are developed, the importance of accurately determining allowable strength will only continue to grow, making it an essential aspect of modern engineering practices.

在工程和建筑领域，术语允许强度对于确保安全和结构完整性至关重要。允许强度是指材料或结构在不发生故障或不可接受变形的情况下可以承受的最大载荷或应力。这个概念在土木工程、机械设计和材料科学等各种应用中都是至关重要的。理解允许强度有助于工程师在选择材料和实施设计时做出明智的决策。在设计结构时，工程师必须考虑各种因素，例如所用材料的类型、环境条件和结构的预期用途。例如，在桥梁的建设中，工程师必须考虑车辆的重量、风载荷和潜在的地震活动。通过计算所用材料的允许强度，他们可以确保桥梁能够安全地支撑预期的载荷而不会倒塌。允许强度的确定涉及严格的测试和分析。工程师通常参考已建立的规范和标准，这些标准提供了有关如何计算不同材料的允许强度的指导。这些标准考虑了材料特性、安全系数和载荷条件等因素。例如，美国钢结构协会（AISC）发布了规范，概述了建筑中使用的各种钢材等级的允许强度。允许强度的一个重要方面是安全系数的概念。安全系数是施加在材料计算强度上的乘数，用于考虑设计中的不确定性、材料缺陷和意外载荷。例如，如果某种材料的抗拉强度为100 MPa，工程师可能会应用1.5的安全系数，从而导致大约66.67 MPa的允许强度。这意味着工程师可以安全地将这种材料用于高达66.67 MPa的载荷，为潜在故障提供了安全边际。除了安全考虑之外，理解允许强度对优化材料使用和降低成本也至关重要。通过准确确定材料的允许强度，工程师可以避免过度设计结构，这可能导致不必要的费用。例如，使用比必要的更强材料会增加项目成本和重量，而这些增加的强度可能并不值得。相反，低估允许强度可能导致不安全的设计，可能导致灾难性的故障。总之，术语允许强度在工程和建筑行业中发挥着至关重要的作用。它确保结构的设计考虑到安全性和可靠性，同时促进效率和成本效益。通过彻底理解和应用允许强度的概念，工程师可以创建不仅满足性能要求而且经得起时间考验的结构。随着技术的进步和新材料的开发，准确确定允许强度的重要性只会继续增长，使其成为现代工程实践中的一个重要方面。