buckling stress

简明释义

屈曲应力

英英释义

例句

1.We observed that the buckling stress 屈曲应力 increased significantly under high temperature conditions.

我们观察到，在高温条件下，buckling stress 屈曲应力显著增加。

2.The engineers calculated the buckling stress 屈曲应力 of the column to ensure it could support the load.

工程师计算了柱子的buckling stress 屈曲应力，以确保它能够支撑负荷。

3.The maximum buckling stress 屈曲应力 a beam can withstand depends on its material properties.

梁可以承受的最大buckling stress 屈曲应力取决于其材料特性。

4.In structural design, understanding buckling stress 屈曲应力 is crucial for stability.

在结构设计中，理解buckling stress 屈曲应力对稳定性至关重要。

5.To prevent failure, the design must keep the buckling stress 屈曲应力 below the critical limit.

为了防止失效，设计必须将buckling stress 屈曲应力保持在临界极限以下。

作文

In the field of engineering, particularly in structural engineering, understanding the concept of buckling stress is crucial for ensuring the safety and stability of structures. Buckling stress refers to the critical stress at which a structural member, such as a column or beam, fails due to instability rather than material yielding. This phenomenon typically occurs when a compressive load exceeds a certain threshold, leading to a sudden lateral deflection of the member. Engineers must account for buckling stress when designing structures to avoid catastrophic failures.When a column is subjected to axial loads, it can withstand a certain amount of compressive stress without deforming. However, as the load increases, there comes a point where the column can no longer maintain its straight configuration. This is where buckling stress becomes significant. The Euler's formula provides a theoretical basis for calculating the critical load at which buckling occurs, which is essential for engineers to determine safe load limits for columns.To further understand buckling stress, one can consider different factors that influence it. The slenderness ratio of a column, which is the ratio of its effective length to its radius of gyration, plays a vital role. Slender columns are more susceptible to buckling than shorter, stockier columns. Therefore, engineers must carefully evaluate this ratio during the design phase to ensure that the structure can withstand anticipated loads without buckling.Another important aspect to consider is the material properties of the structural member. Different materials exhibit varying resistance to buckling. For instance, steel columns can often support greater loads before buckling compared to concrete columns of the same dimensions due to their higher strength-to-weight ratio. Understanding these material characteristics allows engineers to select appropriate materials and design strategies to mitigate the risks associated with buckling stress.Moreover, real-world applications of buckling stress are evident in numerous structures, from skyscrapers to bridges. For example, in tall buildings, the design must incorporate lateral bracing systems to counteract potential buckling due to wind loads. Similarly, in bridge design, the use of trusses helps distribute loads and minimize the risk of buckling in the supporting members.In conclusion, buckling stress is a fundamental concept in structural engineering that must be thoroughly understood and considered during the design process. By recognizing the factors that contribute to buckling and implementing appropriate design strategies, engineers can create safe and resilient structures capable of withstanding various loads and conditions. Ultimately, a comprehensive understanding of buckling stress not only enhances structural integrity but also protects lives and investments in engineering projects.

在工程领域，特别是结构工程中，理解屈曲应力的概念对于确保结构的安全性和稳定性至关重要。屈曲应力是指在不稳定性而非材料屈服的情况下，结构构件（如柱或梁）失效的临界应力。这种现象通常发生在压缩载荷超过某一阈值时，导致构件突然出现横向偏转。工程师在设计结构时必须考虑屈曲应力，以避免灾难性的失败。当柱子受到轴向载荷时，它可以承受一定量的压缩应力而不变形。然而，随着载荷的增加，存在一个点，在这个点上，柱子无法再保持其直线形状。这就是屈曲应力变得重要的地方。欧拉公式为计算屈曲发生时的临界载荷提供了理论基础，这对于工程师确定柱子的安全载荷限制至关重要。为了进一步理解屈曲应力，可以考虑影响它的不同因素。柱子的细长比，即有效长度与回转半径的比率，起着至关重要的作用。细长柱比短而粗壮的柱更容易发生屈曲。因此，工程师在设计阶段必须仔细评估这一比率，以确保结构能够承受预期的载荷而不发生屈曲。另一个需要考虑的重要方面是结构构件的材料特性。不同材料表现出不同的屈曲抵抗能力。例如，钢柱通常能承受更大的载荷而不发生屈曲，而同样尺寸的混凝土柱则由于其较低的强度重量比而更容易屈曲。理解这些材料特性使工程师能够选择合适的材料和设计策略，以减轻与屈曲应力相关的风险。此外，屈曲应力在许多结构中的实际应用是显而易见的，从摩天大楼到桥梁。例如，在高层建筑中，设计必须纳入侧面支撑系统，以抵消由于风载荷可能导致的屈曲。同样，在桥梁设计中，使用桁架有助于分配载荷并最小化支撑构件屈曲的风险。总之，屈曲应力是结构工程中的一个基本概念，必须在设计过程中彻底理解和考虑。通过认识到导致屈曲的因素并实施适当的设计策略，工程师可以创建安全且具有韧性的结构，能够承受各种载荷和条件。最终，对屈曲应力的全面理解不仅增强了结构的完整性，还保护了工程项目中的生命和投资。