Acoustic Characteristics of Cross-Laminated Timber Systems

Bella, Antonino Di; Mitrović, M

doi:10.3390/su12145612

Cited by 18 publications

(14 citation statements)

References 85 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…An overview of the weighted impact sound level L n,w of selected constructions from the investigations is given in Figure 1. The weighted impact sound level of the cross laminated timber plate (V4) was calculated based on the generally valid approximate solution for plates with a mass per unit area between 35 kg/m 2 and 130 kg/m 2 according to [21,22].…”

Section: Challenges Of Wooden Ceiling Constructions In An Acoustic Contextmentioning

confidence: 99%

The Dilemma of Balancing Design for Impact Sound with Environmental Performance in Wood Ceiling Systems—A Building Physics Perspective

et al. 2021

View full text Add to dashboard Cite

Due to the high consumption of resources and energy in the construction sector, the development of resource-efficient and sustainable construction solutions is gaining increasing attention. The awareness of sustainability and resource conservation results in the interest of using natural and renewable materials in contemporary architecture. Timber construction methods offer both constructive and ecological potential for sustainable solutions. From a building physics perspective, the acoustic performance of lightweight buildings, such as those made of timber, presents a challenge. Even if standard requirements are met, the increased low-frequency sound transmission typical for light-weight construction can cause discomfort and is already the subject of questions in building physics, which are currently increasingly extending to timber construction. Within the framework of a holistic approach, this paper compares the problem of acoustic properties, design optimizations and the ecological properties of timber-frame and solid timber construction components. The comparison with heavy materials, such as concrete, shows the relation of acoustic optimization with the change of the environmental profile. In order to establish the interaction between acoustic quality of wooden ceiling constructions and their ecological characteristics, this article aims to demonstrate the potential of materials used in the building sector under ecological aspects considering a life cycle analysis.

show abstract

Section: Challenges Of Wooden Ceiling Constructions In An Acoustic Contextmentioning

confidence: 99%

The Dilemma of Balancing Design for Impact Sound with Environmental Performance in Wood Ceiling Systems—A Building Physics Perspective

et al. 2021

View full text Add to dashboard Cite

show abstract

“…2013;Harte, 2017). Yapılarda çapraz lamine ahşap panellerin kullanımı; çevre dostu olmaları, hafif olmaları, hızlı ve kolay bir şekilde montaj edilebilme özelliğine sahip olmalarının yanında istenilen ölçülerde üretilebilmelerinden ötürü son yıllarda hızlı bir şekilde artmıştır (Di Bella, et al 2020). Özellikle çapraz lamine ahşap panellerin Avrupa ve Amerika'da daha fazla kullanılması sayılan bu özelliklerine bağlı olarak gerçekleşmektedir (Schwarzmann vd., 2018).…”

Section: Introductionunclassified

Çapraz lamine ahşap panellerin (CLT) ara katmanına uygulanan perforasyon işleminin levhaların ses yutma katsayısı değerlerine etkisinin incelenmesi

ÇAVUŞ,

KAYA,

BÜLBÜL

2024

Anadolu Orman Araştırmaları Dergisi

View full text Add to dashboard Cite

Bu çalışmada katman kalınlıkları 17 mm ve katman sayıları ise 3 ve 5 adet olan 51 mm ve 85 mm kalınlığındaki göknar (Abies sp. L) ve meşe (Quercus L.) odunlarından elde edilen çapraz lamine ahşap panellerin (CLT) orta katmanlarına uygulanan; %10 ve %20 oranlarındaki perforasyon işlemi, katman sayısı, odun türü ve frekans seviyelerinin ses yutma katsayılarına etkileri araştırılmıştır. Yapılan deneylerde elde edilen verilere göre göknar odunundan üretilen çapraz lamine panellerin ses yutma katsayılarının meşe odunundan üretilen çapraz lamine ahşap panellerin ses yutma katsayılarına göre daha yüksek olduğu tespit edilmiştir. Perforasyon oranları, frekans seviyesi ve kullanılan odun türünün ses yutma katsayılarının etkilerinin ise anlamlı olduğu, panellerin katman sayısının ses yutma katsayılarına olan etkilerinin ise anlamlı olmadığı tespit edilmiştir. Çalışma sonucuna göre ahşap yapısal uygulamalarda kullanılan çapraz lamine ahşap panellerin (CLT) ses yutma katsayılarının geliştirilmesi için daha düşük yoğunluklu odun türlerinin kullanılması ile birlikte uygulanan perforasyon oranlarının ise en az %20 uygulanması gerektiği söylenebilir.

show abstract

“…This happens because the wood for CLT is renewable and has a considerably lower carbon footprint than concrete [6,8]. The CLT components can be produced with extended prefabrication, implying design flexibility and high protection from moisture, and provide great thermal performance [3,6,9]. All of these characteristics make CLT appropriate for the sustainable design of modern structures [2,5,9,10].…”

Section: Introductionmentioning

confidence: 99%

Evaluating Laboratory Measurements for Sound Insulation of Cross-Laminated Timber (CLT) Floors: Configurations in Lightweight Buildings

2022

View full text Add to dashboard Cite

Cross-laminated timber (CLT) floors with supplementary layers or floating floors comprise a common solution in new multistory timber structures. However, bare CLT components provide poor sound insulation, especially in low frequencies during structure-borne sound propagation. Thus, floor configurations in wooden buildings deploy more layers for improved acoustic behavior. Twelve contemporary CLT floors were analyzed after laboratory measurements of airborne sound reduction and impact sound transmission utilizing the following indicators: Rw, Rw, 100, Rw, 50, Ln,w, Ln,w,100, and Ln,w,50 (per ISO 10140, ISO 717). An increase in sound insulation was achieved thanks to added total mass and thickness, testing layers of the following: elastic mat for vibration isolation, wool insulation, gypsum boards, plywood, concrete screed, and wooden parquet floor. The results indicate that multilayered CLT floors can provide improvements of up to 22 dB for airborne sound and 32 dB for impact sound indicators compared with the bare CLT slab. Floating floor configurations with dry floor solutions (concrete screed) and wooden parquet floors stand out as the optimal cases. The parquet floor provides a 1–2 dB improvement only for impact sound indicators in floating floor setups (or higher in three cases).

show abstract

Acoustic Characteristics of Cross-Laminated Timber Systems

Cited by 18 publications

References 85 publications

The Dilemma of Balancing Design for Impact Sound with Environmental Performance in Wood Ceiling Systems—A Building Physics Perspective

The Dilemma of Balancing Design for Impact Sound with Environmental Performance in Wood Ceiling Systems—A Building Physics Perspective

Çapraz lamine ahşap panellerin (CLT) ara katmanına uygulanan perforasyon işleminin levhaların ses yutma katsayısı değerlerine etkisinin incelenmesi

Evaluating Laboratory Measurements for Sound Insulation of Cross-Laminated Timber (CLT) Floors: Configurations in Lightweight Buildings

Contact Info

Product

Resources

About