pozzolanic

简明释义

英[ˌpɑː.zəˈlæn.ɪk]美[ˌpɑː.zəˈlæn.ɪk]

凝硬性的

火山灰的

英英释义

单词用法

同义词

反义词

例句

1.Activate the potential activity is the main purpose of the study about the pozzolanic properties of fly ash.

粉煤灰火山灰性能的研究主要是研究如何激发其潜在活性。

2.Utilizing the pozzolanic activity of mineral admixtures, the effect of inhibiting efflorescence of fly ash, slag, silicon fume and zeolite powder was studied;

利用矿物掺合料的火山灰活性等特性，研究了粉煤灰、矿渣粉、硅粉、沸石粉抑制混凝土泛碱的程度；

3.Morphology and chemical composition of fly ash residues of pozzolanic reaction were investigated by scanning electron microscopy (SEM) and electron probe microanalysis (EPMA).

采用扫描电镜和电子探针等分析手段研究了粉煤灰火山灰反应残渣的形貌和化学组成。

4.This paper describes the constituent, the structure and the physical characteristics of fly ash which might have favourable influence on "Pozzolanic reaction".

本文阐述了粉煤灰的组分、结构及物理性质，因为它们对粉煤灰的“火山灰反应”产生有益的作用。

5.With the clay in Yancheng area, the author has carried out experimental researches on the pozzolanic reactivity of the low temperature burnt clay and its application as cement admixture.

作者用盐城地区的粘土，进行了低温煅烧粘土的火山灰活性和用作水泥混合材的试验研究。

6.The pozzolanic reactivity of FBC and PC ashes was investigated based on the kinetics of the pozzolanic reaction.

用化学反应动力学方法研究固硫灰渣的火山灰反应特性，并与粉煤灰进行对比。

7.However, it is necessary to consider the CH consumption due to pozzolanic reaction of mineral admixtures when using CH content to determine the hydration degree of CCM.

然而，有必要考虑由于矿物掺合料的火山灰反应消耗的CH在用CH内容时，以确定的CCM的水化程度。

8.Requirements for the filters to protect fly ash slurry are higher than those in compacted soils; The engineering properties of fly ash are getting better with time because of the pozzolanic action.

由于凝硬作用的影响，粉煤灰的工程性质可能随时间增长而改善，浸水可能不致于使灰的性能恶化；

9.Pozzolanic reactivity of several pozzolanic admixture were measured and compared by acid dissolution method. Effects of reaction degree of pozzolanic admixture on strength of paste were discussed.

采用酸溶法测定并比较几种典型的火山灰质掺合料的火山灰活性，探讨其火山灰反应程度对浆体强度的影响。

10.The use of pozzolanic materials in concrete can significantly improve its durability.

在混凝土中使用火山灰的材料可以显著提高其耐久性。

11.In modern construction, pozzolanic additives are often mixed with cement to enhance performance.

在现代建筑中，火山灰的添加剂通常与水泥混合以增强性能。

12.The pozzolanic reaction helps bind calcium hydroxide, reducing the risk of efflorescence.

火山灰的反应有助于结合氢氧化钙，减少白华的风险。

13.Using pozzolanic materials can lower the carbon footprint of concrete production.

使用火山灰的材料可以降低混凝土生产的碳足迹。

14.Many ancient Roman structures were built using pozzolanic ash, which contributed to their longevity.

许多古罗马建筑是用火山灰的灰烬建造的，这有助于它们的持久性。

作文

The construction industry has continuously evolved, utilizing various materials to enhance the durability and sustainability of structures. One such material that has gained significant attention is pozzolanic (火山灰的) materials. These natural or artificial substances, when mixed with lime and water, exhibit remarkable properties that improve the performance of concrete. The term pozzolanic refers specifically to materials that contain silica and alumina, which react with calcium hydroxide in the presence of moisture to form compounds that contribute to the strength and durability of concrete. This chemical reaction not only enhances the mechanical properties of concrete but also reduces its permeability, making it more resistant to environmental factors such as water and chemicals.Historically, the use of pozzolanic materials dates back to ancient Roman times when builders utilized volcanic ash from the Pozzuoli region near Naples. They discovered that this ash, when combined with lime, created a robust binding material that could withstand the test of time. Today, modern engineers and architects are revisiting these ancient practices, recognizing the benefits of incorporating pozzolanic materials into contemporary construction projects.One of the most significant advantages of using pozzolanic materials is their ability to enhance the sustainability of concrete. With the construction industry being a major contributor to global carbon emissions, finding ways to reduce the carbon footprint of concrete production is essential. By substituting a portion of cement with pozzolanic materials such as fly ash, silica fume, or natural pozzolans, we can significantly lower the amount of cement needed, thereby reducing CO2 emissions associated with its production. This not only helps in mitigating climate change but also promotes the recycling of industrial by-products, contributing to a circular economy.Moreover, pozzolanic materials improve the long-term performance of concrete. Structures built with concrete that incorporates these materials tend to exhibit higher resistance to cracking, shrinkage, and other forms of deterioration. This is particularly important in regions exposed to harsh environmental conditions, where traditional concrete may fail prematurely. The use of pozzolanic materials can extend the lifespan of structures, reducing the need for repairs and maintenance, which ultimately saves costs and resources over time.In addition to their mechanical benefits, pozzolanic materials also contribute to the aesthetic qualities of concrete. For example, by adjusting the proportions of pozzolanic materials in the mix, architects can achieve a variety of textures and colors, allowing for greater design flexibility. This has led to innovative architectural designs that not only meet functional requirements but also enhance the visual appeal of buildings.In conclusion, the incorporation of pozzolanic materials in concrete mixes presents numerous benefits that align with the goals of modern construction practices. From enhancing durability and sustainability to promoting aesthetic versatility, pozzolanic materials are an essential component in the evolution of building materials. As we continue to face challenges related to climate change and resource scarcity, the adoption of pozzolanic technologies will play a crucial role in developing resilient infrastructure that meets the needs of future generations.

建筑行业不断发展，利用各种材料来增强结构的耐久性和可持续性。其中一种受到广泛关注的材料是pozzolanic（火山灰的）材料。这些天然或人工物质在与石灰和水混合时，展现出显著的特性，提高了混凝土的性能。术语pozzolanic专门指含有二氧化硅和铝土矿的材料，这些材料在潮湿环境中与氢氧化钙反应，形成有助于混凝土强度和耐久性的化合物。这种化学反应不仅增强了混凝土的机械性能，还降低了其渗透性，使其更能抵抗水和化学物质等环境因素。历史上，pozzolanic材料的使用可以追溯到古罗马时期，当时建筑师利用来自那不勒斯附近的波祖利地区的火山灰。他们发现，这种火山灰与石灰结合时，能够创造出一种坚固的粘合材料，经得起时间的考验。如今，现代工程师和建筑师重新审视这些古老的做法，认识到将pozzolanic材料融入当代建筑项目中的好处。使用pozzolanic材料的一个重要优势是它们能够增强混凝土的可持续性。由于建筑行业是全球碳排放的主要贡献者，寻找减少混凝土生产碳足迹的方法至关重要。通过用pozzolanic材料（如粉煤灰、硅灰或天然火山灰）替代部分水泥，我们可以显著降低所需的水泥量，从而减少与其生产相关的CO2排放。这不仅有助于缓解气候变化，还促进了工业副产品的回收利用，推动循环经济的发展。此外，pozzolanic材料提高了混凝土的长期性能。使用这些材料建造的结构往往表现出更高的抗裂性、收缩性和其他形式的劣化。这在暴露于恶劣环境条件的地区尤其重要，因为传统混凝土可能会过早失效。使用pozzolanic材料可以延长结构的使用寿命，减少维修和保养的需要，从而在长期内节省成本和资源。除了机械性能的好处外，pozzolanic材料还对混凝土的美观特性有所贡献。例如，通过调整混合中pozzolanic材料的比例，建筑师可以实现多种纹理和颜色，从而实现更大的设计灵活性。这导致了创新的建筑设计，不仅满足功能要求，还增强了建筑的视觉吸引力。总之，将pozzolanic材料纳入混凝土混合物中，呈现出与现代建筑实践目标一致的诸多好处。从增强耐久性和可持续性到促进美学多样性，pozzolanic材料是建筑材料演变的重要组成部分。随着我们继续面临与气候变化和资源稀缺相关的挑战，采用pozzolanic技术将在开发满足未来世代需求的韧性基础设施中发挥关键作用。