allowable bearing value

简明释义

容许承载力

英英释义

例句

1.The engineer calculated the allowable bearing value 允许承载值 for the soil to ensure the foundation would be stable.

工程师计算了土壤的allowable bearing value 允许承载值，以确保基础的稳定性。

2.Before construction, we need to determine the allowable bearing value 允许承载值 of the site to avoid future structural issues.

在施工之前，我们需要确定该地点的allowable bearing value 允许承载值，以避免未来的结构问题。

3.The allowable bearing value 允许承载值 is critical for designing safe and effective foundations.

对于设计安全有效的基础而言，allowable bearing value 允许承载值至关重要。

4.Soil tests revealed the allowable bearing value 允许承载值 was lower than expected, requiring design modifications.

土壤测试显示allowable bearing value 允许承载值低于预期，需要进行设计修改。

5.The contractor must adhere to the allowable bearing value 允许承载值 set by local regulations during the building process.

承包商在建筑过程中必须遵循地方规定设定的allowable bearing value 允许承载值。

作文

The concept of allowable bearing value is crucial in the fields of civil engineering and geotechnical studies. It refers to the maximum load per unit area that a soil or rock can safely support without experiencing failure or excessive settlement. Understanding this value is essential for engineers when designing foundations for buildings, bridges, and other structures. The allowable bearing value ensures that the structure remains stable and safe throughout its lifespan.When engineers assess the ground conditions at a construction site, they conduct various tests to determine the soil's properties. These tests might include Standard Penetration Tests (SPT), Cone Penetration Tests (CPT), and laboratory analysis of soil samples. The results from these tests help engineers calculate the allowable bearing value by evaluating factors such as soil type, moisture content, density, and cohesion.For instance, clay soils typically have lower allowable bearing values compared to sandy soils due to their compressibility and tendency to retain water. Conversely, well-compacted gravel can provide a higher allowable bearing value because of its ability to distribute loads more evenly and resist deformation. This variability highlights the importance of site-specific assessments in determining the appropriate bearing capacity for any given project.In addition to soil type, the allowable bearing value is also influenced by the depth of the foundation and the load characteristics of the structure being built. For example, a shallow foundation may have a different allowable bearing value than a deep foundation, even if they are placed on the same type of soil. Engineers must consider these factors carefully to avoid underestimating or overestimating the bearing capacity, which could lead to structural failures or costly repairs.Moreover, safety factors are often applied to the allowable bearing value to account for uncertainties in the soil behavior and loading conditions. A common practice is to divide the ultimate bearing capacity, determined through testing or empirical methods, by a safety factor, typically ranging from 2 to 3. This ensures that the designed foundation can withstand unexpected loads or changes in soil conditions over time.In conclusion, the allowable bearing value plays a pivotal role in foundation design and construction. By accurately assessing this value, engineers can ensure the stability and safety of structures, preventing potential disasters caused by soil failure. As construction projects continue to grow in complexity and scale, understanding and applying the principles behind the allowable bearing value will remain a fundamental aspect of civil engineering practice. The emphasis on thorough site investigations and careful calculations will contribute to more resilient infrastructure, ultimately benefiting society as a whole.

“允许承载值”这一概念在土木工程和岩土工程领域至关重要。它指的是土壤或岩石在不发生破坏或过度沉降的情况下，能够安全支持的每单位面积的最大负荷。理解这个值对于工程师在设计建筑、桥梁和其他结构的基础时至关重要。“允许承载值”确保了结构在其整个生命周期内保持稳定和安全。当工程师评估施工现场的地面条件时，他们会进行各种测试以确定土壤的性质。这些测试可能包括标准贯入试验（SPT）、锥形贯入试验（CPT）以及对土壤样本的实验室分析。这些测试的结果帮助工程师通过评估土壤类型、含水量、密度和黏聚力等因素来计算“允许承载值”。例如，由于粘土的可压缩性和保水性，粘土土壤的“允许承载值”通常低于沙土。而相反，良好压实的碎石由于能够更均匀地分配负荷并抵抗变形，可以提供更高的“允许承载值”。这种变化性突显了在确定任何给定项目的适当承载能力时，进行特定地点评估的重要性。除了土壤类型外，“允许承载值”还受到基础深度和所建结构负荷特性的影响。例如，即使在同一类型的土壤上，浅基础的“允许承载值”也可能与深基础不同。工程师必须仔细考虑这些因素，以避免低估或高估承载能力，这可能导致结构失败或昂贵的维修。此外，通常会对“允许承载值”应用安全系数，以考虑土壤行为和荷载条件的不确定性。常见做法是将通过测试或经验方法确定的极限承载能力除以一个安全系数，通常范围在2到3之间。这确保了设计的基础能够承受意外荷载或随时间变化的土壤条件。总之，“允许承载值”在基础设计和施工中发挥着关键作用。通过准确评估这个值，工程师可以确保结构的稳定性和安全性，防止因土壤失效而造成的潜在灾难。随着建设项目的复杂性和规模不断增加，理解和应用“允许承载值”背后的原则将继续成为土木工程实践的基本方面。对彻底的现场调查和仔细计算的重视将有助于建设更具韧性的基础设施，最终造福整个社会。