crack width

简明释义

裂缝宽度

英英释义

例句

1.The inspector noted that the crack width 裂缝宽度 had increased since the last assessment.

检查员注意到自上次评估以来，裂缝宽度 crack width有所增加。

2.A detailed report on the crack width 裂缝宽度 was submitted to the construction manager.

关于裂缝宽度 crack width的详细报告已提交给施工经理。

3.The engineer measured the crack width 裂缝宽度 to assess the structural integrity of the bridge.

工程师测量了裂缝宽度 crack width以评估桥梁的结构完整性。

4.Monitoring the crack width 裂缝宽度 can help predict future maintenance needs.

监测裂缝宽度 crack width可以帮助预测未来的维护需求。

5.A crack width 裂缝宽度 greater than 0.5 mm may indicate serious damage.

大于0.5毫米的裂缝宽度 crack width可能表明严重损坏。

作文

In the field of construction and civil engineering, understanding the concept of crack width is crucial for maintaining the integrity and safety of structures. Crack width refers to the measurement of the gap or fissure that appears in materials such as concrete, brick, or masonry. These cracks can occur due to various reasons, including thermal expansion, shrinkage, settling, or external loads. Monitoring and assessing the crack width is essential because it can indicate potential structural problems that may need to be addressed promptly.When a structure is built, it undergoes several phases, including curing and drying, which can lead to the formation of cracks. For instance, when concrete sets, it experiences shrinkage as moisture evaporates. This shrinkage can cause the formation of small cracks, which are often not alarming. However, if the crack width increases over time, it may signal more severe issues, such as inadequate reinforcement or excessive loading.Engineers and architects use various methods to measure crack width. One common approach is using a crack gauge, which provides precise measurements of the width and helps track changes over time. By regularly monitoring these measurements, professionals can determine whether the cracks are stable or if they are widening, which may require further investigation.The significance of crack width extends beyond mere aesthetics; it directly impacts the durability and longevity of a structure. For example, wide cracks can allow water infiltration, leading to corrosion of steel reinforcement and deterioration of the concrete. This can compromise the structural integrity, resulting in costly repairs or even catastrophic failures. Therefore, it is vital to establish acceptable limits for crack width during the design phase of a project.In many building codes and standards, there are guidelines regarding the permissible crack width for different types of structures. For example, residential buildings may have different tolerances compared to bridges or high-rise buildings. Engineers must adhere to these guidelines to ensure that structures can withstand environmental stresses without developing harmful cracks.Moreover, understanding the causes of crack width can help in designing preventative measures. For instance, incorporating control joints in concrete slabs can minimize the occurrence of random cracking by providing predetermined locations for cracks to form. Additionally, using proper materials and construction techniques can significantly reduce the risk of excessive crack width.In conclusion, crack width is a fundamental aspect of structural engineering that requires careful consideration throughout the lifecycle of a building. From the initial design to ongoing maintenance, monitoring crack width helps ensure the safety and functionality of structures. By understanding the implications of crack width, engineers can take proactive steps to mitigate risks and extend the lifespan of their projects. Thus, both the measurement and management of crack width play a pivotal role in the success of construction endeavors.

在建筑和土木工程领域，理解裂缝宽度的概念对于维护结构的完整性和安全性至关重要。裂缝宽度是指材料（如混凝土、砖或砌体）中出现的缝隙或裂缝的测量。这些裂缝可能由于多种原因而发生，包括热膨胀、收缩、沉降或外部负荷。监测和评估裂缝宽度是必要的，因为它可以表明潜在的结构问题，可能需要及时解决。当一个结构建成后，它会经历多个阶段，包括固化和干燥，这可能导致裂缝的形成。例如，当混凝土凝固时，由于水分蒸发，它会经历收缩。这种收缩可能导致小裂缝的形成，这通常并不令人担忧。然而，如果裂缝宽度随着时间的推移而增加，可能会表示更严重的问题，如加固不足或过度负载。工程师和建筑师使用各种方法来测量裂缝宽度。一种常见的方法是使用裂缝计，它提供精确的宽度测量，并帮助跟踪随时间变化的情况。通过定期监测这些测量值，专业人士可以确定裂缝是稳定的还是在扩大，这可能需要进一步调查。裂缝宽度的重要性不仅仅在于美观；它直接影响到结构的耐久性和使用寿命。例如，宽裂缝可能允许水渗入，导致钢筋腐蚀和混凝土恶化。这可能会危及结构的完整性，导致昂贵的维修甚至灾难性的失败。因此，在项目设计阶段建立可接受的裂缝宽度限制至关重要。在许多建筑规范和标准中，关于不同类型结构的可允许裂缝宽度有指导方针。例如，住宅建筑的容忍度可能与桥梁或高层建筑不同。工程师必须遵守这些指导方针，以确保结构能够承受环境压力，而不会产生有害的裂缝。此外，理解裂缝宽度的原因可以帮助设计预防措施。例如，在混凝土板中加入控制接缝可以通过提供预定的位置来最小化随机裂缝的发生。此外，使用适当的材料和施工技术可以显著降低过度裂缝宽度的风险。总之，裂缝宽度是结构工程的一个基本方面，需要在建筑物生命周期的各个阶段进行仔细考虑。从初步设计到持续维护，监测裂缝宽度有助于确保结构的安全性和功能性。通过理解裂缝宽度的影响，工程师可以采取积极措施来减轻风险，并延长其项目的使用寿命。因此，裂缝宽度的测量和管理在建筑工程的成功中发挥着关键作用。