autoclaved aerated concrete

简明释义

高压蒸气养护的加气混凝土

英英释义

Autoclaved aerated concrete (AAC) is a lightweight, precast building material made from natural raw materials such as sand, cement, lime, water, and a small amount of aluminum powder. It is cured under high pressure and temperature in an autoclave, resulting in a product that is strong, durable, and highly insulating.

蒸压加气混凝土(AAC)是一种轻质的预制建筑材料,由沙子、水泥、石灰、水和少量铝粉等天然原料制成。它在高压和高温下在蒸压釜中固化,形成一种强度高、耐用且保温性能优异的产品。

例句

1.Due to its fire-resistant qualities, autoclaved aerated concrete is a popular choice for commercial buildings.

由于其耐火特性,蒸压加气混凝土成为商业建筑的热门选择。

2.Many architects prefer autoclaved aerated concrete for its lightweight properties.

许多建筑师喜欢使用蒸压加气混凝土,因为它的轻质特性。

3.The autoclaved aerated concrete blocks are easy to cut and shape during construction.

蒸压加气混凝土块在施工过程中易于切割和成型。

4.The building was constructed using autoclaved aerated concrete, which provides excellent insulation.

这座建筑采用了蒸压加气混凝土,提供了优良的绝缘性能。

5.Using autoclaved aerated concrete can significantly reduce the overall weight of a structure.

使用蒸压加气混凝土可以显著降低结构的整体重量。

作文

In recent years, the construction industry has been evolving rapidly, focusing on sustainable materials that not only meet structural requirements but also contribute to environmental conservation. One such material gaining popularity is autoclaved aerated concrete. This innovative building material is known for its lightweight properties and excellent thermal insulation, making it an ideal choice for modern construction projects. Autoclaved aerated concrete (AAC) is a precast concrete product that is manufactured using a mixture of cement, lime, water, and a small amount of aluminum powder, which acts as a foaming agent. The result is a porous, lightweight material that can be easily molded into various shapes and sizes. The production process of autoclaved aerated concrete involves several steps. First, the raw materials are mixed to form a slurry, which is then poured into molds. After a short period of setting, the mixture expands due to the reaction between aluminum powder and the alkaline components in the mixture. This expansion creates millions of tiny air pockets within the concrete, resulting in its characteristic lightweight nature. Once the desired size is achieved, the molded blocks are cured in an autoclave – a high-pressure steam chamber – which not only strengthens the material but also ensures its durability and resistance to fire and pests. One of the key advantages of autoclaved aerated concrete is its impressive thermal insulation properties. The air pockets within the material significantly reduce heat transfer, making buildings constructed with AAC more energy-efficient. This is particularly beneficial in regions with extreme temperatures, as it helps to maintain a comfortable indoor climate while reducing heating and cooling costs. Furthermore, the lightweight nature of autoclaved aerated concrete makes it easier to handle and transport, which can lead to lower labor costs and faster construction times. In addition to its thermal efficiency, autoclaved aerated concrete is also environmentally friendly. The production process generates less carbon dioxide compared to traditional concrete, and the use of recycled materials, such as fly ash or expanded clay aggregates, can further reduce its environmental impact. Moreover, AAC is fully recyclable, ensuring that waste is minimized at the end of its life cycle. However, there are some considerations to keep in mind when using autoclaved aerated concrete. While it offers excellent insulation and lightweight properties, it may not have the same compressive strength as traditional concrete. This means that careful planning and engineering are required to ensure that structures built with AAC can withstand the necessary loads. Additionally, because AAC is porous, it can absorb moisture if not properly sealed, which could lead to potential issues such as mold growth or structural damage over time. In conclusion, autoclaved aerated concrete represents a significant advancement in building materials, combining sustainability, efficiency, and versatility. Its lightweight nature and superior thermal insulation make it an attractive option for modern construction projects aimed at reducing energy consumption and environmental impact. As the construction industry continues to evolve, materials like autoclaved aerated concrete will play a crucial role in shaping a more sustainable future for our built environment.

近年来,建筑行业迅速发展,越来越注重可持续材料,这些材料不仅满足结构要求,还能为环境保护做出贡献。其中一种日益受到欢迎的材料是蒸压加气混凝土。这种创新的建筑材料以其轻质特性和优良的热绝缘性能而闻名,使其成为现代建筑项目的理想选择。蒸压加气混凝土(AAC)是一种预制混凝土产品,由水泥、石灰、水和少量铝粉混合而成,铝粉作为发泡剂。最终得到的是一种多孔、轻质的材料,可以轻松模塑成各种形状和尺寸。 蒸压加气混凝土的生产过程包括几个步骤。首先,将原材料混合形成浆料,然后倒入模具中。在短时间的凝固后,由于铝粉与混合物中的碱性成分反应,混合物膨胀。这种膨胀在混凝土内部产生数百万个微小的空气口袋,从而形成其特有的轻质特性。一旦达到所需的尺寸,模制的块体便在高压蒸汽室——蒸压釜中养护,这不仅增强了材料的强度,还确保其耐久性和防火、防虫害的能力。 蒸压加气混凝土的一个关键优势是其令人印象深刻的热绝缘性能。材料内部的空气口袋显著降低了热传递,使得使用AAC建造的建筑更加节能。这在温差极大的地区尤其有利,因为它有助于保持舒适的室内气候,同时降低取暖和制冷成本。此外,蒸压加气混凝土的轻质特性使其更易于处理和运输,这可以降低人工成本并加快施工速度。 除了其热效率外,蒸压加气混凝土还具有环保特性。其生产过程产生的二氧化碳比传统混凝土少,使用回收材料(如煤灰或膨胀陶粒)可以进一步减少环境影响。此外,AAC是完全可回收的,确保在其生命周期结束时最小化废物。 然而,在使用蒸压加气混凝土时需要考虑一些因素。虽然它提供了优良的绝缘和轻质特性,但其抗压强度可能不及传统混凝土。这意味着需要仔细的规划和工程设计,以确保使用AAC建造的结构能够承受必要的荷载。此外,由于AAC是多孔的,如果没有正确密封,它可能会吸收水分,这可能导致潜在问题,如霉菌生长或结构损坏。 总之,蒸压加气混凝土代表了建筑材料的重大进步,结合了可持续性、效率和多功能性。其轻质特性和优越的热绝缘性能使其成为旨在减少能源消耗和环境影响的现代建筑项目的有吸引力的选择。随着建筑行业的不断发展,像蒸压加气混凝土这样的材料将在塑造我们建筑环境的可持续未来中发挥至关重要的作用。

相关单词

autoclaved

autoclaved详解:怎么读、什么意思、用法

aerated

aerated详解:怎么读、什么意思、用法

concrete

concrete详解:怎么读、什么意思、用法