expansion crack

简明释义

膨胀裂纹

英英释义

例句

1.A well-designed structure should accommodate expansion cracks without compromising integrity.

一个设计良好的结构应该能够容纳膨胀裂缝而不影响其完整性。

2.It's important to fill any expansion crack in your foundation to prevent water damage.

填补基础中的任何膨胀裂缝以防止水损害是很重要的。

3.The engineer recommended using sealant on the expansion cracks to prevent further damage.

工程师建议在膨胀裂缝上使用密封剂以防止进一步损坏。

4.The concrete driveway developed an expansion crack due to the temperature fluctuations.

由于温度波动，混凝土车道出现了膨胀裂缝。

5.During the hot summer months, we noticed several expansion cracks on the pavement.

在炎热的夏季，我们注意到人行道上出现了几个膨胀裂缝。

作文

In the field of construction and materials science, understanding the phenomenon of expansion crack is crucial for ensuring the durability and integrity of structures. An expansion crack refers to a type of fracture that occurs in materials, particularly concrete, due to thermal expansion. When temperatures rise, materials tend to expand. If they are constrained in any way, this expansion can lead to stress within the material, ultimately resulting in cracks. These cracks can be detrimental to the structural integrity of buildings, bridges, and other constructions.One of the primary causes of expansion cracks is the temperature variations that occur throughout the day and across seasons. For instance, during a hot summer day, the temperature of concrete can rise significantly. If the concrete is not allowed to expand freely, it may develop expansion cracks as it tries to accommodate the heat-induced expansion. Similarly, when temperatures drop, the contraction of the material can also cause stress, leading to further cracking.To mitigate the risk of expansion cracks, engineers and architects must consider various design strategies. One effective method is to incorporate expansion joints into the structure. These joints allow for movement and expansion without causing damage to the surrounding material. By providing designated areas where the material can expand and contract, it significantly reduces the likelihood of expansion cracks forming.Additionally, selecting the right materials can also play a vital role in preventing expansion cracks. Some materials are more resistant to thermal expansion than others. For example, using high-performance concrete that includes additives designed to enhance its thermal properties can help minimize the risk of cracking. Furthermore, proper curing techniques during the initial setting of the concrete can also contribute to its overall strength and resistance to cracking.Another factor that can influence the occurrence of expansion cracks is environmental conditions. Areas with extreme temperature fluctuations are particularly susceptible to these types of cracks. Therefore, understanding the local climate and choosing appropriate construction materials and techniques is essential for long-lasting structures. Regular maintenance and inspections can also help identify early signs of expansion cracks, allowing for timely repairs before they escalate into more significant issues.In conclusion, expansion cracks pose a significant challenge in the construction industry. Understanding their causes and implementing effective prevention strategies is essential for maintaining the integrity of structures. By using expansion joints, selecting suitable materials, and conducting regular maintenance, we can minimize the risks associated with expansion cracks. Ultimately, this knowledge not only contributes to the longevity of buildings but also ensures the safety of those who use them.

在建筑和材料科学领域，理解膨胀裂缝现象对于确保结构的耐久性和完整性至关重要。膨胀裂缝是指由于热膨胀而发生的材料（特别是混凝土）的一种断裂。当温度升高时，材料往往会膨胀。如果它们以某种方式受到限制，这种膨胀可能会导致材料内部的应力，最终导致裂缝。这些裂缝可能对建筑、桥梁和其他结构的整体稳定性造成危害。膨胀裂缝的主要原因之一是白天和季节间的温度变化。例如，在炎热的夏季，混凝土的温度可能会显著升高。如果混凝土不能自由膨胀，它可能会形成膨胀裂缝，因为它试图适应因热引起的膨胀。同样，当温度下降时，材料的收缩也可能导致应力，从而进一步导致裂缝。为了减轻膨胀裂缝的风险，工程师和建筑师必须考虑各种设计策略。一种有效的方法是在结构中加入膨胀缝。这些缝隙允许材料在不损坏周围材料的情况下进行移动和膨胀。通过提供指定区域，让材料可以膨胀和收缩，可以显著降低形成膨胀裂缝的可能性。此外，选择合适的材料也在防止膨胀裂缝方面发挥着重要作用。有些材料对热膨胀的抵抗力更强。例如，使用高性能混凝土，并添加旨在增强其热性能的添加剂，可以帮助最小化裂缝的风险。此外，在混凝土初始固化过程中采用适当的养护技术也有助于提高其整体强度和抗裂能力。影响膨胀裂缝发生的另一个因素是环境条件。温度波动极大的地区尤其容易出现这些类型的裂缝。因此，了解当地气候并选择适当的建筑材料和技术对于建造持久的结构至关重要。定期的维护和检查也有助于及早发现膨胀裂缝的早期迹象，从而在问题扩大之前及时修复。总之，膨胀裂缝在建筑行业中构成了重大挑战。理解其原因并实施有效的预防策略对于维护结构的完整性至关重要。通过使用膨胀缝、选择合适的材料和进行定期维护，我们可以最小化与膨胀裂缝相关的风险。最终，这些知识不仅有助于建筑物的耐用性，还确保了使用者的安全。