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View of Acoustic properties of porous concrete made from

View of Acoustic properties of porous concrete made from

View of Acoustic properties of porous concrete made from ...

1. INTRODUCTION TOP. Porous concrete manufactured from lightweight aggregates is each passing day more commonly used for passive noise reduction in the building industry (1, 2).Concrete materials, unlike ordinary foams and fibrous absorbers, meet potential properties when used for structural purposes (durability, structural strength, stiffness, etc.) along with a good acoustic performance if ...

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(PDF) Acoustic properties of porous concrete made from ...

This work investigates the acoustic properties of porous concrete made from arlite and vermiculite lightweight aggregates. These natural resources can still be regarded as sustainable since they...

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Acoustic properties of porous concrete made from arlite ...

2015-12-30  The use of sustainable materials is becoming a common practice for noise abatement in building and civil engineering industries. In this context, many applications have been found for porous concrete made from lightweight aggregates. This work investigates the acoustic properties of porous concrete made from arlite and vermiculite lightweight aggregates.

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Acoustic properties of porous concrete made from arlite ...

porous concrete made from lightweight materials as those of the aforementioned type. The present work aims to explore the effect of arlite and vermiculite lightweight aggregates of dif-ferent sizes and types on the acoustic performance of porous concrete. For this purpose, five sets of consolidated granular mixes are prepared and there -

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RUA: Acoustic properties of porous concrete made from ...

2016-5-3  Resumen: The use of sustainable materials is becoming a common practice for noise abatement in building and civil engineering industries. In this context, many applications have been found for porous concrete made from lightweight aggregates. This work investigates the acoustic properties of porous concrete made from arlite and vermiculite ...

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Acoustic properties of porous concrete made from arlite ...

Acoustic properties of porous concrete made from arlite and vermiculite lightweight aggregates: Otro titulo: Propiedades acústicas del hormigón poroso a base de áridos ligeros de arlita y vermiculita: Autor: Carbajo San Martín, Jesús Esquerdo Lloret, Tomás Vicente Ramis Soriano, Jaime Nadal Gisbert, Antonio Vicente Denia Guzmán ...

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Acoustic properties of porous concrete made from arlite ...

Acoustic properties of porous concrete made from arlite and vermiculite lightweight aggregates. Autores: Jesús Carbajo San Martín, T. Vicente Esquerdo Lloret, Jaime Ramis Soriano, Antonio Nadal Gisbert, Francisco David Denia Guzmán Localización: Materiales de construcción, ISSN 0465-2746, Nº. 320, 2015 Idioma: inglés Enlaces. Texto completo

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View of Acoustic behavior of porous concrete ...

1. INTRODUCTION TOP. Porous absorbent materials have been widely used in passive noise control and indoor acoustic treatment. These materials are composed of two phases, one solid and the other fluid (interstitial to the pores), with the dissipation of the sound energy occurring due to the interaction between these two phases ().Currently, porous materials, such as fibers and foams, are ...

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Acoustic absorption modeling of porous concrete ...

2010-3-29  1.. IntroductionPorous concrete is a rigid acoustic absorbing material containing large voids (pores) that have been intentionally fabricated for acoustic absorption or permeation .Although cellular concrete is also an acoustic absorbing material, porous concrete is a more widely applicable material owing to its excellent mechanical properties and durability compared to cellular concrete .

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Acoustic modeling of perforated concrete using the dual ...

2017-1-1  Acoustic properties of porous concrete made from arlite and vermiculite lightweight aggregates Mater Constr , 65 ( 320 ) ( 2015 ) , pp. 1 - 11 , 10.3989/mc.2015.01115 View Record in Scopus Google Scholar

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RUA: Acoustic properties of porous concrete made from ...

2016-5-3  Resumen: The use of sustainable materials is becoming a common practice for noise abatement in building and civil engineering industries. In this context, many applications have been found for porous concrete made from lightweight aggregates. This work investigates the acoustic properties of porous concrete made from arlite and vermiculite ...

get price

Acoustic properties of porous concrete made from arlite ...

Acoustic properties of porous concrete made from arlite and vermiculite lightweight aggregates: Otro titulo: Propiedades acústicas del hormigón poroso a base de áridos ligeros de arlita y vermiculita: Autor: Carbajo San Martín, Jesús Esquerdo Lloret, Tomás Vicente Ramis Soriano, Jaime Nadal Gisbert, Antonio Vicente Denia Guzmán ...

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Acoustic properties of porous concrete - Experiments and ...

Acoustic properties of porous concrete - Experiments and modelling Buy Article: $15.00 + tax (Refund Policy)

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Acoustic absorption modeling of porous concrete ...

2010-3-29  1.. IntroductionPorous concrete is a rigid acoustic absorbing material containing large voids (pores) that have been intentionally fabricated for acoustic absorption or permeation .Although cellular concrete is also an acoustic absorbing material, porous concrete is a more widely applicable material owing to its excellent mechanical properties and durability compared to cellular concrete .

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Applied Sciences Special Issue : Acoustic Properties of ...

The interest in the use of resistant acoustic materials has put further attention on the use of porous concrete in the building industry. This work investigates the acoustic properties of four different mix designs of porous concrete obtained with two types of aggregates, that is,

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Acoustic Properties of Precast Concrete

2019-8-19  Acoustic Properties of Precast Concrete In today’s cities people are living closer and closer together primarily due to urban consolidation. The need to utilise services and infrastructure, to be close to work, and to be close to entertainment is of high priority. Medium density living in modern architect-designed glass and concrete

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(PDF) Acoustic Properties of Innovative Concretes: A Review

2021-1-14  Concrete is the most common building material; therefore, when designing structures, it is obligatory to consider all structural parameters and design characteristics such as acoustic properties.

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Improving the sound absorption behaviour of porous ...

2021-3-1  The porous concrete samples were produced using expanded clay aggregates with grain size of 0–2 mm. Twelve samples of two different mixtures were prepared (six for each mixture), and called M 2 and M 3, maintaining the nomenclature presented in previous work [].The corresponding sound absorption curves can be observed in Fig. 6 of the same previous work.

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Study on failure mechanism of porous concrete based on ...

2020-2-28  1. Introduction. Concrete is one of the most important building materials in modern times and is widely used in civil engineering projects. The use of conventional concrete blocks the substance exchange between water and soil, resulting in various problems such as groundwater level drop, ground collapse, heat island effects and so on , , .To address these phenomena, porous concrete has been ...

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(PDF) Acoustical properties of particleboards made from ...

2012-10-11  Acoustic panels are used to overcome noise problems; the purpose of this study was to determine the acoustical properties of particleboard made from Betung bamboo (Dendrocalamus asper).

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RUA: Acoustic properties of porous concrete made from ...

2016-5-3  Resumen: The use of sustainable materials is becoming a common practice for noise abatement in building and civil engineering industries. In this context, many applications have been found for porous concrete made from lightweight aggregates. This work investigates the acoustic properties of porous concrete made from arlite and vermiculite ...

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ACOUSTIC PROPERTIES OF CLOGGED PERVIOUS

2012-10-23  ACOUSTIC PROPERTIES OF CLOGGED PERVIOUS CONCRETE PAVEMENTS By Bernard Igbafen Izevbekhai Biography Bernard Igbafen Izevbekhai is the concrete research operations engineer for the Minnesota Department of Transportation. He obtained Bachelors and Masters Degrees in civil engineering from the University of Benin in 1983 and 1987 respectively.

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Acoustical performance of porous absorber made from ...

Models for porous absorbers, with complex pore structures, require more detail to account for the interaction between the sound waves and the pores of the material. Modeling of the acoustic properties of the samples used in this work was carried out using the model described in the equations 1-9.

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Acoustic absorption modeling of porous concrete ...

The results of acoustic absorption modeling of porous concrete considering the gradation and shape of aggregates and void ratio are presented. To model the void texture of porous concrete, the multi-layered micro-perforated rigid panel model considering air gaps [1,2] is adopted. The parameters used in this acoustic absorption modeling are determined by a geometrical and experimental approach ...

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Sound absorption properties of porous composites ...

Cuiyun et al. Reference Cuiyun, Guang, Xinbang and Peisheng 10 studied the absorption properties of porous cylindrical zeolites made by sintering zeolites with polymer foam particles and simultaneously burning the polymer to create voids in the structure. It

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Sound absorption properties of porous composites ...

2013-9-1  We have used a hydrogel templating technique followed by the subsequent evaporation of water present to fabricate porous cement and porous PDMS composites, and we have analyzed their sound absorption properties. All experiments were carried out with hydrogel slurries of broad bead size distributions. Porous PDMS and cement composites were produced with porosities of up to 80% and

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Mechanical properties of pervious cement concrete ...

2012-11-18  The influence of aggregate size and gradation on acoustic absorption of enhanced porosity concrete [J]. ACI Material Journal, 2004, 101(1): 82–91. Google Scholar [3] CHINDAPRASIRT P, HATANAKA S, CHAREERAT T, MISHIMA N, YUASA Y. Cement paste characteristics and porous concrete properties [J].

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A Review on the Acoustical Properties of Natural and ...

2016-11-2  Background and aims: Nowadays, artificial insulators such as fiberglass and rock wool are used as sound absorbers in developing countries. The present study is performed to introduce new sound absorbing materials used in developed countries and discuss their acoustical characteristics. It also aims to look at the efficiency of sound absorber natural materials (green materials) as an ...

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LABORATORY STUDY OF POROUS CONCRETE FOR ITS USE

Included in the project 'Optimization of Surface Characteristics of Concrete Roads in Accordance with Environmental Acceptance and Traffic Safety' is a lab program being carried out by various European institutes to study the composition and characteristics of porous concrete for use as top-layer of concrete pavements. The main aim of this work is to optimize the composition of porous concrete ...

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Acoustic Properties Of Auxetic Foams - WIT Press

In this paper, the acoustic properties of auxetic foams are described both from a numerical and experimental point of view. The acoustic absorption properties of both auxetic and conventional foam samples were measured using a two-microphone impedance tube to provide a comparison between the two types of cellular solids.

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