creep of concrete
简明释义
混凝土蠕变
英英释义
Creep of concrete refers to the gradual and time-dependent deformation of concrete under sustained load, which can lead to structural issues over time. | 混凝土的蠕变是指在持续载荷下,混凝土逐渐和随时间变化的变形,这可能导致结构问题。 |
例句
1.The report highlighted the importance of understanding the creep of concrete 混凝土的蠕变 in long-term structures.
报告强调了理解creep of concrete 混凝土的蠕变在长期结构中的重要性。
2.The engineers discussed the potential creep of concrete 混凝土的蠕变 in the new bridge design.
工程师们讨论了新桥设计中可能出现的creep of concrete 混凝土的蠕变。
3.The construction team was concerned about the creep of concrete 混凝土的蠕变 affecting the building's stability.
施工团队担心creep of concrete 混凝土的蠕变会影响建筑物的稳定性。
4.To avoid issues, we need to monitor the creep of concrete 混凝土的蠕变 during the curing process.
为了避免问题,我们需要在固化过程中监测creep of concrete 混凝土的蠕变。
5.They had to account for the creep of concrete 混凝土的蠕变 when designing the foundations.
在设计基础时,他们必须考虑到creep of concrete 混凝土的蠕变。
作文
In the world of construction and civil engineering, the term creep of concrete refers to the gradual deformation of concrete under sustained load over time. This phenomenon is particularly important in the design and analysis of structures, as it can significantly affect their performance and longevity. Understanding the creep of concrete is essential for engineers to ensure that buildings, bridges, and other infrastructures remain safe and functional throughout their intended lifespan.Concrete is a composite material made up of cement, water, aggregates, and sometimes admixtures. When freshly mixed, it has a fluid-like consistency that allows it to be shaped into various forms. However, once it hardens, the internal structure begins to experience stresses, particularly when subjected to constant loads. The creep of concrete occurs as the material slowly deforms under these loads, which can lead to issues such as cracking, deflection, and even structural failure if not properly accounted for.One of the key factors influencing the creep of concrete is the moisture content within the concrete mix. As concrete cures and dries, the water evaporates, leading to changes in volume and stress distribution. High moisture content can lead to increased creep, while low moisture levels may reduce this effect. Additionally, the temperature at which concrete sets can also impact its creep behavior. Higher temperatures tend to accelerate the hydration process, which can influence the long-term deformation characteristics of the material.The rate of creep is also affected by the type of aggregate used in the concrete mix. Different aggregates have varying properties, such as density, stiffness, and thermal expansion, all of which contribute to how concrete behaves under load. For instance, using lightweight aggregates can result in higher creep rates compared to traditional heavy aggregates.Engineers must consider the creep of concrete when designing structures, especially those that are expected to support significant loads over extended periods. This includes not only the initial design phase but also ongoing maintenance and inspection processes. By understanding how concrete will behave over time, engineers can implement strategies to mitigate the effects of creep, such as reinforcing structures with steel or using specific concrete mixes designed to reduce deformation.In conclusion, the creep of concrete is a critical aspect of structural engineering that cannot be overlooked. It represents the slow, progressive deformation of concrete under sustained loads, influenced by factors such as moisture content, temperature, and aggregate type. By recognizing the importance of this phenomenon, engineers can design more resilient structures that stand the test of time, ensuring safety and functionality for years to come. As our understanding of concrete and its behaviors continues to evolve, so too will our ability to create innovative and durable constructions that meet the demands of modern society.
在建筑和土木工程的世界中,术语混凝土的蠕变指的是混凝土在持续负荷下随时间逐渐变形的现象。这一现象在结构的设计和分析中尤为重要,因为它可能显著影响结构的性能和寿命。理解混凝土的蠕变对工程师至关重要,以确保建筑物、桥梁和其他基础设施在其预期寿命内保持安全和功能。混凝土是一种复合材料,由水泥、水、骨料以及有时的外加剂组成。当刚混合时,它具有流体状的一致性,可以被塑造成各种形状。然而,一旦硬化,内部结构开始经历应力,特别是在持续负荷下。混凝土的蠕变发生在这些材料在负荷下缓慢变形,这可能导致裂缝、挠曲甚至结构失效等问题,如果没有适当考虑的话。影响混凝土的蠕变的一个关键因素是混凝土混合物中的水分含量。随着混凝土的固化和干燥,水分蒸发,导致体积和应力分布的变化。高水分含量会导致蠕变增加,而低水分水平可能减少这一效果。此外,混凝土凝固的温度也会影响其蠕变行为。较高的温度往往加速水化过程,这可能影响材料的长期变形特性。蠕变的速率也受到混凝土混合物中使用的骨料类型的影响。不同的骨料具有不同的性质,如密度、刚度和热膨胀,所有这些都影响混凝土在负荷下的表现。例如,使用轻骨料可能导致比传统重骨料更高的蠕变速率。工程师在设计结构时必须考虑混凝土的蠕变,尤其是那些预计将在长时间内承受重大负荷的结构。这不仅包括初始设计阶段,还包括持续的维护和检查过程。通过理解混凝土随时间的行为,工程师可以实施策略来减轻蠕变的影响,例如用钢筋加固结构或使用特定的混凝土混合物来减少变形。总之,混凝土的蠕变是土木工程中不可忽视的关键方面。它代表了混凝土在持续负荷下缓慢、渐进的变形,受水分含量、温度和骨料类型等因素的影响。通过认识到这一现象的重要性,工程师可以设计出更具韧性的结构,能够经受住时间的考验,确保多年来的安全和功能。随着我们对混凝土及其行为的理解不断发展,我们创造创新和耐用的建筑的能力也将不断提升,以满足现代社会的需求。
相关单词