material aggressive to concrete

简明释义

混凝土侵蚀材料

英英释义

例句

1.The construction team avoided using any material aggressive to concrete to ensure the longevity of the structure.

施工团队避免使用任何对混凝土有侵蚀性的材料以确保结构的耐久性。

2.When selecting sealants, make sure they are not material aggressive to concrete to prevent damage over time.

在选择密封剂时，确保它们不是对混凝土有侵蚀性的材料以防止随着时间的推移造成损害。

3.Using material aggressive to concrete can lead to costly repairs in the future.

使用对混凝土有侵蚀性的材料可能会导致将来的高额维修费用。

4.Certain chemicals in cleaning products can be material aggressive to concrete, leading to surface deterioration.

某些清洁产品中的化学物质可能是对混凝土有侵蚀性的材料，导致表面恶化。

5.The contractor recommended avoiding material aggressive to concrete when choosing paints for outdoor use.

承包商建议在选择户外使用的油漆时避免使用对混凝土有侵蚀性的材料。

作文

Concrete is one of the most widely used construction materials in the world due to its durability and strength. However, not all materials are compatible with concrete, leading to potential issues in structural integrity and longevity. One such concern is the interaction between concrete and certain substances that can be described as material aggressive to concrete. This term refers to materials that can cause degradation or damage to concrete surfaces over time, impacting their performance and lifespan.When constructing buildings, bridges, or other structures, it is crucial to consider the environment in which the concrete will be placed. For instance, exposure to chemicals like acids, sulfates, or chlorides can lead to corrosion of the reinforcing steel within the concrete, ultimately compromising the entire structure. These chemicals can be found in various forms, including de-icing salts used on roads during winter, industrial waste, or even natural groundwater. Therefore, understanding which materials are 对混凝土具有侵蚀性的材料 is essential for selecting the right type of concrete mix and protective measures.Another aspect to consider is the physical wear that can occur when concrete comes into contact with abrasive materials. For example, in industrial settings where heavy machinery operates, the dust and particles generated can be highly abrasive. This wear can lead to surface erosion, cracking, and ultimately, a reduction in the concrete’s load-bearing capacity. To mitigate these risks, engineers often recommend using protective coatings or selecting high-performance concrete mixes designed to withstand such aggressive conditions.Additionally, biological factors can also contribute to the deterioration of concrete. Certain types of mold, algae, and bacteria can thrive in moist environments and may produce acids that further erode concrete surfaces. This biological aggression is particularly relevant in areas with high humidity or where water drainage is poor. Consequently, it is vital to implement proper drainage systems and select materials that can resist biological attacks, ensuring the longevity of concrete structures.Moreover, the choice of aggregates used in concrete can also influence its susceptibility to 对混凝土具有侵蚀性的材料. Some aggregates may react negatively with the cement paste, leading to expansion and cracking over time. This phenomenon, known as alkali-silica reaction (ASR), occurs when reactive silica in aggregates interacts with alkalis in cement, resulting in the formation of a gel that expands when moisture is present. Engineers must conduct thorough testing of aggregates before use to prevent such reactions from occurring.In conclusion, the phrase material aggressive to concrete encompasses a variety of factors that can adversely affect concrete structures. From chemical interactions to physical abrasions and biological attacks, understanding these aggressive materials is critical for engineers and architects alike. By taking proactive measures, such as selecting appropriate materials, implementing protective strategies, and conducting thorough site assessments, we can ensure the durability and safety of concrete structures for years to come. Ignoring the potential threats posed by 对混凝土具有侵蚀性的材料 could lead to significant structural failures and costly repairs, emphasizing the importance of this knowledge in the field of construction.

混凝土是世界上最广泛使用的建筑材料之一，因为它的耐久性和强度。然而，并不是所有材料都与混凝土兼容，这可能导致结构完整性和寿命方面的问题。其中一个关注点是混凝土与某些物质之间的相互作用，这些物质可以被描述为对混凝土具有侵蚀性的材料。这个术语指的是那些随着时间推移可能导致混凝土表面降解或损坏的材料，从而影响其性能和使用寿命。在建造建筑物、桥梁或其他结构时，考虑混凝土将被放置的环境至关重要。例如，暴露于酸、硫酸盐或氯化物等化学物质会导致混凝土内部钢筋的腐蚀，从而最终危及整个结构。这些化学物质可能以多种形式存在，包括冬季在道路上使用的除冰盐、工业废物，甚至自然地下水。因此，了解哪些材料是对混凝土具有侵蚀性的材料对于选择合适的混凝土配合比和保护措施至关重要。另一个需要考虑的方面是当混凝土与磨料材料接触时可能发生的物理磨损。例如，在重型机械操作的工业环境中，产生的灰尘和颗粒可能非常磨蚀。这种磨损会导致表面侵蚀、开裂，最终减少混凝土的承载能力。为了减轻这些风险，工程师通常建议使用保护涂层或选择设计用于承受此类侵蚀条件的高性能混凝土配合比。此外，生物因素也可能导致混凝土的恶化。某些类型的霉菌、藻类和细菌可以在潮湿环境中繁殖，并可能产生进一步侵蚀混凝土表面的酸。这种生物侵蚀在高湿度或排水不良的地区尤其相关。因此，实施适当的排水系统并选择能够抵御生物攻击的材料，对于确保混凝土结构的长期使用至关重要。此外，混凝土中使用的骨料选择也会影响其对对混凝土具有侵蚀性的材料的敏感性。一些骨料可能与水泥浆产生负面反应，导致随时间扩展和开裂。这种现象称为碱-硅反应（ASR），发生在骨料中的反应性硅与水泥中的碱相互作用时，形成在潮湿环境下膨胀的胶体。工程师必须在使用前对骨料进行彻底测试，以防止此类反应的发生。总之，短语对混凝土具有侵蚀性的材料涵盖了多种可能对混凝土结构产生不利影响的因素。从化学相互作用到物理磨损，再到生物攻击，了解这些侵蚀性材料对工程师和建筑师而言至关重要。通过采取积极措施，例如选择合适的材料、实施保护策略和进行全面的现场评估，我们可以确保混凝土结构的耐久性和安全性。忽视对混凝土具有侵蚀性的材料所带来的潜在威胁可能导致重大的结构失效和昂贵的维修费用，强调了在建筑领域掌握这一知识的重要性。