modulus of subgrade reaction

简明释义

地基反力系数

英英释义

例句

1.In pavement design, the modulus of subgrade reaction 基层反应模量 is crucial for predicting deflections under traffic loads.

在路面设计中，基层反应模量 modulus of subgrade reaction对于预测交通荷载下的变形至关重要。

2.A higher modulus of subgrade reaction 基层反应模量 indicates a stiffer soil, which is beneficial for heavy structures.

更高的基层反应模量 modulus of subgrade reaction表示土壤更坚硬，这对重型结构是有利的。

3.The engineer calculated the modulus of subgrade reaction 基层反应模量 to determine the load-bearing capacity of the foundation.

工程师计算了基层反应模量 modulus of subgrade reaction以确定基础的承载能力。

4.The geotechnical report provided the modulus of subgrade reaction 基层反应模量 values necessary for the foundation design.

岩土工程报告提供了基础设计所需的基层反应模量 modulus of subgrade reaction值。

5.To ensure stability, the modulus of subgrade reaction 基层反应模量 must be assessed before construction begins.

为确保稳定性，必须在施工开始之前评估基层反应模量 modulus of subgrade reaction。

作文

The concept of modulus of subgrade reaction is crucial in the field of geotechnical engineering, particularly when it comes to the design and analysis of foundations. This term refers to the measure of the stiffness of the soil beneath a structure, indicating how much the soil will deform under a given load. Understanding the modulus of subgrade reaction is essential for engineers as it directly impacts the performance and stability of structures, especially those that bear significant loads, such as bridges and high-rise buildings.In practical terms, the modulus of subgrade reaction is defined as the ratio of the pressure applied to the soil to the corresponding settlement that occurs. It is typically expressed in units of force per unit area per unit displacement, such as kN/m³ or lb/in²/in. The higher the value of the modulus of subgrade reaction, the stiffer the soil is considered to be, meaning it will experience less deformation under load.To determine the modulus of subgrade reaction, engineers often conduct various tests, including plate load tests or cone penetration tests. These tests provide valuable data about the soil's properties and behavior under load. By analyzing the results, engineers can calculate an appropriate value for the modulus of subgrade reaction, which will be used in their structural designs.One of the key applications of the modulus of subgrade reaction is in the design of shallow foundations. For instance, when designing a footing for a building, engineers must ensure that the soil can adequately support the weight of the structure without excessive settlement. If the modulus of subgrade reaction is too low, it may indicate that the soil is not suitable for supporting the intended load, leading to potential structural issues in the future.Moreover, the modulus of subgrade reaction plays a significant role in the analysis of pavement structures. In this context, it helps engineers evaluate how the pavement will respond to traffic loads over time. A proper understanding of the soil's reaction modulus allows for more accurate predictions of pavement performance and longevity.In addition to its practical applications, the modulus of subgrade reaction also has theoretical implications in the study of soil-structure interaction. Researchers continue to explore the relationship between soil properties and the modulus of subgrade reaction, seeking to refine existing models and develop new approaches that can enhance the accuracy of foundation analyses.In conclusion, the modulus of subgrade reaction is a fundamental concept in geotechnical engineering that provides insight into the behavior of soil under load. Its significance cannot be overstated, as it influences the design and safety of various structures. By accurately determining the modulus of subgrade reaction, engineers can ensure that their designs are both safe and efficient, ultimately contributing to the longevity and reliability of the built environment.

土壤反应模量（modulus of subgrade reaction）的概念在岩土工程领域至关重要，特别是在基础的设计和分析中。这个术语指的是结构下方土壤的刚度测量，表明土壤在给定负载下会变形多少。理解土壤反应模量对工程师至关重要，因为它直接影响结构的性能和稳定性，尤其是那些承受重大负载的结构，如桥梁和高层建筑。从实际角度来看，土壤反应模量被定义为施加于土壤的压力与随之发生的沉降之间的比率。它通常以单位面积的力与单位位移之比来表示，例如kN/m³或lb/in²/in。土壤反应模量的值越高，土壤被认为越坚硬，这意味着它在负载下会经历较少的变形。为了确定土壤反应模量，工程师通常会进行各种测试，包括板载试验或锥体贯入试验。这些测试提供了关于土壤特性和负载下行为的宝贵数据。通过分析结果，工程师可以计算出一个适当的土壤反应模量值，并在其结构设计中使用。土壤反应模量的一个关键应用是在浅基础的设计中。例如，在为建筑设计基础时，工程师必须确保土壤能够充分支持结构的重量，而不会出现过度沉降。如果土壤反应模量过低，可能表明土壤不适合支撑预期的负载，从而导致未来潜在的结构问题。此外，土壤反应模量在路面结构的分析中也发挥着重要作用。在这种情况下，它帮助工程师评估路面在交通负载下随时间的响应。对土壤反应模量的正确理解使得对路面性能和耐久性的更准确预测成为可能。除了其实际应用外，土壤反应模量在土壤-结构相互作用研究中也具有理论意义。研究人员继续探索土壤特性与土壤反应模量之间的关系，寻求完善现有模型并开发新方法，以提高基础分析的准确性。总之，土壤反应模量（modulus of subgrade reaction）是岩土工程中的一个基本概念，它提供了关于土壤在负载下行为的见解。其重要性不容小觑，因为它影响着各种结构的设计和安全性。通过准确确定土壤反应模量，工程师可以确保其设计既安全又高效，最终有助于建成环境的持久性和可靠性。