crarck restraint

简明释义

裂绞控制

英英释义

例句

1.The new policy aims to implement crack restraint in the construction industry to ensure safety standards are met.

新政策旨在在建筑行业实施裂缝约束，以确保安全标准得到满足。

2.In the design phase, architects must consider crack restraint to avoid future maintenance issues.

在设计阶段，建筑师必须考虑裂缝约束以避免未来的维护问题。

3.The addition of crack restraint measures has significantly improved the longevity of the pavement.

增加裂缝约束措施显著提高了路面的耐久性。

4.The report highlighted the importance of crack restraint in preventing water infiltration in buildings.

报告强调了裂缝约束在防止建筑物渗水中的重要性。

5.Engineers are using crack restraint techniques to prevent structural failures in bridges.

工程师们正在使用裂缝约束技术来防止桥梁的结构性故障。

作文

In today's fast-paced world, the concept of crack restraint has gained significant importance in various fields, especially in engineering and construction. Crack restraint refers to the methods and techniques employed to prevent or minimize the occurrence of cracks in materials, particularly concrete. Cracks can compromise the structural integrity of buildings and infrastructure, leading to costly repairs and safety hazards. Therefore, understanding and implementing crack restraint measures is crucial for engineers and architects alike.One of the primary reasons for cracks in concrete structures is the shrinkage that occurs as the material dries and cures. This shrinkage can lead to tensile stresses that exceed the tensile strength of the concrete, resulting in cracks. To combat this issue, various crack restraint methods are utilized. For instance, incorporating steel reinforcement bars (rebar) into concrete can significantly enhance its tensile strength. The rebar absorbs the tensile forces, thus reducing the likelihood of crack formation.Another effective technique for crack restraint involves the use of control joints. These joints are intentionally created in concrete slabs to allow for movement caused by temperature changes and drying shrinkage. By providing a designated path for cracking to occur, control joints help to manage and contain cracks within specific areas, preventing them from spreading throughout the structure.Moreover, the selection of appropriate materials plays a vital role in crack restraint. High-quality concrete mixes that include additives such as fibers can improve the overall durability and resistance to cracking. Fiber-reinforced concrete, for example, distributes stress more evenly across the surface, which helps to mitigate the formation of cracks under load.In addition to these techniques, proper curing practices are essential for effective crack restraint. Curing involves maintaining adequate moisture and temperature conditions for the concrete during the hardening process. Insufficient curing can lead to rapid drying, increasing the risk of cracking. Therefore, employing methods such as wet curing or using curing compounds can significantly enhance the concrete's ability to resist cracks.Furthermore, environmental factors must be considered when discussing crack restraint. Temperature fluctuations, humidity levels, and exposure to chemicals can all influence the likelihood of cracking. Engineers must account for these variables during the design phase to ensure that the structure can withstand the conditions it will face throughout its lifespan.In conclusion, crack restraint is a critical aspect of construction and engineering that cannot be overlooked. By implementing effective measures such as reinforcement, control joints, material selection, proper curing, and environmental considerations, professionals can significantly reduce the risk of cracking in concrete structures. As we continue to advance in construction technology and materials science, the strategies for crack restraint will evolve, leading to safer and more durable infrastructures for future generations. Understanding the principles behind crack restraint not only enhances structural integrity but also contributes to the sustainability and longevity of our built environment.

在当今快节奏的世界中，crack restraint（裂缝约束）的概念在各个领域，尤其是工程和建筑中变得越来越重要。Crack restraint 指的是防止或最小化材料中裂缝发生的方法和技术，特别是混凝土。裂缝会影响建筑物和基础设施的结构完整性，导致昂贵的维修费用和安全隐患。因此，理解和实施crack restraint 措施对于工程师和建筑师来说至关重要。混凝土结构中裂缝产生的主要原因之一是材料在干燥和固化过程中发生的收缩。这种收缩可能导致拉应力超过混凝土的抗拉强度，从而导致裂缝。为了应对这个问题，各种crack restraint 方法被采用。例如，在混凝土中加入钢筋可以显著增强其抗拉强度。钢筋吸收拉力，从而减少裂缝形成的可能性。另一种有效的crack restraint 技术涉及使用控制缝。这些缝隙是在混凝土板中故意创建的，以允许因温度变化和干燥收缩而导致的运动。通过提供一个指定的裂缝发生路径，控制缝有助于管理和限制裂缝在特定区域内的发生，防止它们在整个结构中扩散。此外，适当材料的选择在crack restraint 中也发挥着重要作用。高质量的混凝土混合物，包含如纤维等添加剂，可以提高整体耐久性和抗裂能力。例如，纤维增强混凝土可以更均匀地分配表面上的应力，从而有助于减轻在载荷下形成裂缝的可能性。除了这些技术，适当的养护实践对于有效的crack restraint 至关重要。养护涉及在混凝土硬化过程中保持适当的湿度和温度条件。养护不足可能导致快速干燥，从而增加裂缝的风险。因此，采用湿养护或使用养护剂等方法可以显著增强混凝土抵御裂缝的能力。此外，在讨论crack restraint 时，必须考虑环境因素。温度波动、湿度水平和化学物质的暴露都可能影响裂缝的可能性。工程师在设计阶段必须考虑这些变量，以确保结构能够承受其在整个生命周期中将面临的条件。总之，crack restraint 是建筑和工程中一个关键的方面，不能被忽视。通过实施有效的措施，如加固、控制缝、材料选择、适当养护和环境考虑，专业人士可以显著降低混凝土结构中裂缝的风险。随着我们在建筑技术和材料科学方面的不断进步，crack restraint 的策略将不断发展，为未来几代人提供更安全、更耐用的基础设施。理解crack restraint 背后的原理不仅增强了结构的完整性，还为我们构建环境的可持续性和持久性做出了贡献。