"探索加气蒸压混凝土 (AAC) 在不同频段的声学特性

P. S. Thakur, V. N. Pawar, S. S. Kamble, J. M. Pawara, S.A. Solaskar, V. Kamble
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引用次数: 0

摘要

加气蒸压混凝土(AAC)是一种环保、轻质的建筑材料。加气蒸压混凝土以其耐久性、承重能力和出色的隔热性能而著称,在建筑方面超越了传统的混凝土砌块和红砖。鉴于其抗腐朽性和类似的轻质特点,它作为木材替代品的适用性显而易见。AAC 由水泥、粉煤灰、石灰石和石膏按 8:69:20:3 的比例混合而成,铝粉是膨胀剂,是一种用途广泛的建筑材料。除了各种特性之外,了解 AAC 的声学特性也至关重要。学校、医院、酒店、办公室和多户住宅等建筑需要有效的隔音效果,因此必须使用吸音系数高、声反射系数小的材料。加气蒸压混凝土因其多孔成分而具有显著的吸声系数,因此非常适合应用于学校和医院等环境中。这项研究深入探讨了加气蒸压混凝土在 1 千赫到 10 千赫频谱范围内的吸声系数和声反射系数。分析范围不仅包括频率变化,还包括不同的声强,对 AAC 的声学特性进行了全面的探讨。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
"Exploring Aerated Autoclaved Concrete (AAC) Acoustic Properties Across Diverse Frequency Bands"
Aerated Autoclaved Concrete (AAC) stands out as an environmentally friendly and lightweight construction material. Known for its durability, load-bearing capacity, and excellent insulation, AAC surpasses traditional concrete blocks and red bricks in construction preferences. Its suitability as a wood alternative is evident, given its resistance to decay and comparable lightweight characteristics. Comprising a blend of cement, fly ash, limestone, and gypsum in an 8:69:20:3 ratio, with aluminum powder as the expansion agent, AAC serves as a versatile building material. In addition to its various attributes, understanding the acoustic properties of AAC is essential. Structures such as schools, hospitals, hotels, offices, and multi-family housing demand effective sound insulation, necessitating the use of materials with favorable sound absorption coefficients and minimal sound reflection coefficients. Due to its porous composition, Aerated Autoclaved Concrete exhibits notable sound absorption coefficients, making it ideal for applications in environments like schools and hospitals. This research delves into the determination of AAC's sound absorption coefficient and sound reflection coefficient across a spectrum of frequencies ranging from 1 kHz to 10 kHz. The analysis extends beyond frequency variations to encompass different sound intensities, offering a comprehensive exploration of AAC's acoustic characteristics.
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