characteristic value of permanent action

简明释义

永久作用标准值

英英释义

例句

1.Architects often refer to the characteristic value of permanent action when planning large structures.

建筑师在规划大型结构时常常参考永久作用的特征值。

2.The engineer calculated the characteristic value of permanent action to ensure the building's stability.

工程师计算了永久作用的特征值以确保建筑物的稳定性。

3.When calculating the safety factors, the characteristic value of permanent action must be considered.

在计算安全系数时，必须考虑永久作用的特征值。

4.The characteristic value of permanent action helps in determining the required material strength.

永久作用的特征值有助于确定所需的材料强度。

5.In structural design, the characteristic value of permanent action is crucial for load assessment.

在结构设计中，永久作用的特征值对载荷评估至关重要。

作文

In the field of structural engineering, understanding the loads that a structure must endure is crucial for its design and safety. One important concept in this domain is the characteristic value of permanent action, which refers to the constant loads that are applied to a structure over its lifetime. These loads can include the weight of the structure itself, as well as any fixed installations, such as walls, floors, and roofs. The characteristic value of permanent action is essential for engineers to consider because it provides a baseline for the maximum expected load that will not change over time.When designing a building, engineers must calculate the characteristic value of permanent action to ensure that the structure can support these constant loads without failing. This calculation involves taking into account various factors, including the materials used, the dimensions of the structural elements, and the intended use of the building. For instance, a residential building will have different characteristic values of permanent action compared to a commercial building, as the latter may have heavier equipment and more occupants.Moreover, the characteristic value of permanent action is not only about the dead weight of the structure but also includes other permanent features such as fixed furniture or mechanical systems that contribute to the overall load. Engineers often refer to national and international standards to determine the appropriate values for these permanent actions, ensuring that their designs meet safety regulations and performance expectations.In addition to safety, understanding the characteristic value of permanent action is vital for economic reasons. Overestimating these values can lead to unnecessarily robust structures, which can increase construction costs significantly. Conversely, underestimating them can result in structural failures, leading to costly repairs and potential loss of life. Therefore, achieving an accurate assessment of the characteristic value of permanent action is a delicate balance that requires experience and knowledge of material behavior.Furthermore, in the context of sustainability, recognizing the characteristic value of permanent action can contribute to more efficient designs that minimize waste and resource consumption. By accurately predicting the loads that a structure will face, engineers can optimize material usage, reduce energy consumption during construction, and create buildings that are both safe and environmentally friendly.In conclusion, the characteristic value of permanent action is a fundamental concept in structural engineering that plays a critical role in the design and analysis of buildings. It encompasses the constant loads that a structure will bear throughout its lifespan, influencing safety, cost, and sustainability. By thoroughly understanding and accurately calculating these values, engineers can create structures that not only meet regulatory standards but also stand the test of time, ensuring safety and functionality for future generations.

在结构工程领域，理解一个结构必须承受的荷载对于其设计和安全至关重要。这个领域中的一个重要概念是永久作用的特征值，它指的是在结构整个生命周期内施加的恒定荷载。这些荷载可以包括结构自身的重量，以及任何固定的安装，例如墙壁、地板和屋顶。永久作用的特征值对于工程师来说是必须考虑的，因为它提供了一个不会随时间变化的最大预期荷载的基线。在设计建筑时，工程师必须计算永久作用的特征值以确保结构能够支持这些恒定的荷载而不发生失效。这一计算需要考虑多种因素，包括所用材料、结构元素的尺寸以及建筑的预期用途。例如，住宅建筑的永久作用的特征值与商业建筑的永久作用的特征值不同，因为后者可能有更重的设备和更多的居住者。此外，永久作用的特征值不仅仅涉及结构的自重，还包括其他永久性特征，例如固定家具或机械系统，这些都对整体荷载产生贡献。工程师通常参考国家和国际标准来确定这些永久作用的适当值，以确保他们的设计符合安全法规和性能预期。除了安全性，理解永久作用的特征值对经济原因也至关重要。高估这些值可能导致结构过于坚固，从而显著增加施工成本。相反，低估这些值可能导致结构失效，造成昂贵的维修费用和潜在的生命损失。因此，准确评估永久作用的特征值是一种微妙的平衡，需要经验和材料行为的知识。此外，在可持续性方面，认识到永久作用的特征值可以促进更有效的设计，减少浪费和资源消耗。通过准确预测结构将面临的荷载，工程师可以优化材料使用，减少施工过程中的能源消耗，并创造出既安全又环保的建筑。总之，永久作用的特征值是结构工程中的一个基本概念，在建筑的设计和分析中起着关键作用。它涵盖了结构在其生命周期内将承受的恒定荷载，影响安全性、成本和可持续性。通过彻底理解和准确计算这些值，工程师可以创建不仅符合监管标准，而且经得起时间考验的结构，确保未来几代人的安全和功能。