pozzuolana

简明释义

英[pɑːtʃuˈɑːləna]美[pɑːtʃuˈɑːləna]

n. 火山灰（可用作水泥原料）

英英释义

单词用法

同义词

反义词

例句

1.This paper probes into filling and pozzuolana effects of fine silicon powder, analyzes its influence on concrete properties and application in concrete engineering.

对微硅粉的填充效应和火山灰效应做了探讨，分析了微硅粉对混凝土性能的影响和在混凝土工程中的应用。

2.This paper probes into filling and pozzuolana effects of fine silicon pow - der, analyzes its influence on concrete properties and application in concrete engineer...

对微硅粉的填充效应和火山灰效应做了探讨，分析了微硅粉对混凝土性能的影响和在混凝土工程中的应用。

3.Any of various artificially produced substances resembling pozzuolana ash.

类似的人造白榴火山灰任何人工制造的，相似于白榴火山灰的物质。

4.This paper probes into filling and pozzuolana effects of fine silicon pow - der, analyzes its influence on concrete properties and application in concrete engineer...

对微硅粉的填充效应和火山灰效应做了探讨，分析了微硅粉对混凝土性能的影响和在混凝土工程中的应用。

5.The ancient Romans used pozzuolana 火山灰 to create durable concrete structures.

古罗马人使用pozzuolana 火山灰来建造耐用的混凝土结构。

6.The addition of pozzuolana 火山灰 can reduce the carbon footprint of concrete production.

添加pozzuolana 火山灰可以减少混凝土生产的碳足迹。

7.Architects often recommend pozzuolana 火山灰 for its excellent binding properties.

建筑师常推荐使用pozzuolana 火山灰，因为它具有优良的粘结性能。

8.The use of pozzuolana 火山灰 in eco-friendly building materials is gaining popularity.

在环保建筑材料中使用pozzuolana 火山灰正变得越来越受欢迎。

9.In modern construction, pozzuolana 火山灰 is often added to cement to improve its strength.

在现代建筑中，pozzuolana 火山灰常被添加到水泥中以提高其强度。

作文

Pozzuolana is a term that refers to a natural or artificial volcanic ash that, when mixed with lime, can create a hydraulic cement. This material has been used since ancient times, particularly by the Romans, who discovered that it could be combined with water to create a substance that would harden even underwater. The significance of pozzuolana (火山灰) in construction cannot be overstated; it revolutionized the way structures were built and allowed for the development of durable and resilient buildings that have stood the test of time. In modern construction, pozzuolana (火山灰) is still relevant, especially as the world moves towards more sustainable building practices. It is often used as a supplementary cementitious material (SCM) in concrete mixes. The incorporation of pozzuolana (火山灰) not only improves the strength and durability of concrete but also reduces the carbon footprint associated with traditional cement production. By replacing a portion of Portland cement with pozzuolana (火山灰), builders can significantly lower greenhouse gas emissions, which is crucial in our fight against climate change.The chemical properties of pozzuolana (火山灰) contribute to its effectiveness in concrete. When pozzuolana (火山灰) reacts with calcium hydroxide in the presence of water, it forms compounds that enhance the binding properties of the concrete. This reaction not only increases the strength of the concrete but also improves its resistance to sulfate attack and reduces permeability, making it less susceptible to water damage. Furthermore, the use of pozzuolana (火山灰) in concrete can lead to a more aesthetically pleasing finish. The finer particles of pozzuolana (火山灰) can fill voids in the concrete mix, resulting in a smoother surface texture. This characteristic is particularly beneficial for architectural applications where appearance is as important as structural integrity. The historical importance of pozzuolana (火山灰) is evident in many ancient structures that still stand today, such as the Pantheon in Rome. Its dome, made possible by the use of pozzuolana (火山灰), remains the largest unreinforced concrete dome in the world. This enduring legacy serves as a testament to the effectiveness of pozzuolana (火山灰) in creating long-lasting structures. In conclusion, the role of pozzuolana (火山灰) in both ancient and modern construction is pivotal. Its unique properties not only enhance the performance of concrete but also support sustainable building practices that are essential in today's environmentally conscious world. As we continue to innovate and improve construction methods, pozzuolana (火山灰) will undoubtedly remain a valuable resource in our quest for stronger, more durable, and eco-friendly buildings.

火山灰是一个术语，指的是一种天然或人工的火山灰，当与石灰混合时，可以形成一种水硬性水泥。这种材料自古以来就被使用，尤其是罗马人发现它可以与水结合，创造出即使在水下也能硬化的物质。pozzuolana（火山灰）在建筑中的重要性不容小觑；它彻底改变了建筑结构的方式，使得耐用且坚固的建筑得以发展，这些建筑经受住了时间的考验。在现代建筑中，pozzuolana（火山灰）仍然具有相关性，尤其是在全球向更可持续的建筑实践迈进时。它常作为混凝土配合料中的补充水泥材料（SCM）使用。加入pozzuolana（火山灰）不仅提高了混凝土的强度和耐久性，还减少了传统水泥生产所带来的碳足迹。通过用pozzuolana（火山灰）替代部分波特兰水泥，建筑商可以显著降低温室气体排放，这在我们对抗气候变化的斗争中至关重要。pozzuolana（火山灰）的化学特性使其在混凝土中的有效性得以体现。当pozzuolana（火山灰）在水的存在下与氢氧化钙反应时，会形成增强混凝土粘结性能的化合物。这种反应不仅提高了混凝土的强度，还改善了其抗硫酸盐侵蚀的能力，并减少了渗透性，使其不易受到水损害。此外，使用pozzuolana（火山灰）的混凝土可以达到更美观的表面效果。pozzuolana（火山灰）的细小颗粒能够填补混凝土混合物中的空隙，从而产生更光滑的表面纹理。这一特性对于建筑应用尤为重要，因为外观与结构完整性同样重要。pozzuolana（火山灰）的历史重要性在许多至今仍屹立的古代建筑中显而易见，例如罗马的万神殿。其穹顶得益于pozzuolana（火山灰）的使用，仍然是世界上最大的无钢筋混凝土穹顶。这一持久的遗产证明了pozzuolana（火山灰）在创造持久结构方面的有效性。总之，pozzuolana（火山灰）在古代和现代建筑中的角色至关重要。其独特的属性不仅提升了混凝土的性能，还支持了在当今环保意识日益增强的世界中至关重要的可持续建筑实践。随着我们不断创新和改进建筑方法，pozzuolana（火山灰）无疑将继续作为我们追求更强大、更耐用和环保建筑的重要资源。