Analysis on the Characteristics of Floor Impact Sound by Floor Construction Process of Apartment Houses

Lee, Wonhak; Song, Guk Gon; Haan, Chan-Hoon

doi:10.5050/ksnve.2020.30.1.029

Cited by 4 publications

(2 citation statements)

References 6 publications

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“…Kim et al [1,2] applied a membrane-type sound absorber to a test room by applying a PE sound absorber to a damping iron plate to isolate heavy-impact sounds. Lee et al [3] devised and applied a wall-supported ceiling system that was not connected to the bottom of the slab to reduce the vibrations transmitted from the slab to the ceiling finishing material. Shin et al [4] reduced the weight impact sound by drilling a hole in a part of the ceiling finishing gypsum board to improve the low-frequency resonance generated in the interior space of the ceiling owing to floor impact.…”

Section: Reduction Of Floor Impact Sound Through Ceilingmentioning

confidence: 99%

Floor-Impact Sound Insulation Performance of Acoustic Metamaterial Ceiling

Jeong,

Kwak,

Park

et al. 2024

Proceedings of the 10th Convention of the European Acoustics Association Forum Acusticum 2023

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Floor impact noise in apartment houses is a noise source that needs to be reduced first among the noise generated in residential spaces. Among the floor impact sound reduction methods, a plan that a downstairs resident can apply to his or her house is to improve the ceiling structure. In order to improve the performance of the floor impact sound isolation of the ceiling, a vibration-isolation hanger, sound-absorbing material and sound-insulating material were applied. In this study, a structure that effectively reduces the main frequency of floor impact sound is periodically arranged in the ceiling of an apartment building, and an acoustic metamaterial made of lightweight material is applied and compared in laboratory conditions. The light-weight impact sound and the rubber ball impact sound were measured and compared, and it was confirmed that the floor impact sound was reduced when the acoustic metamaterial was applied inside the ceiling.

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Section: Reduction Of Floor Impact Sound Through Ceilingmentioning

confidence: 99%

Floor-Impact Sound Insulation Performance of Acoustic Metamaterial Ceiling

Jeong,

Kwak,

Park

et al. 2024

Proceedings of the 10th Convention of the European Acoustics Association Forum Acusticum 2023

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“…This is due to the lack of quality control at every construction stage of apartment houses. Recently, there has been an increase in interest in the construction quality control during the construction stage of floor structures, including floor impact sound insulation structures and finishing materials [12]. The Korea Land & Housing Company (LH) and many other construction companies in South Korea are strengthening quality control to achieve consistent floor impact sound insulation performance of apartment houses constructed with the same structure.…”

Section: Introductionmentioning

confidence: 99%

Survey method for field measurement of rubber ball impact sound in reinforced concrete apartment houses in Korea – Based on the Korean measurement method

Jeong¹,

Ryu

2023

Acta Acust.

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The rubber ball impact sound has been standardized by ISO 10140 series and ISO 16283-2 for laboratory and field measurements, respectively. The ISO 10052 standard specifies a survey method for the impact sound measurement using a tapping machine and a rubber ball. This study proposed measurement position for the survey method which is highly correlated with result based on the Korean Standards (KS) and the building regulation of South Korea for engineering method. The rubber ball impact sounds were measured in 79 reinforced concrete apartment houses, which have a centre point and four perimeter points for both exciting and receiving sounds. The proposed survey method was validated for only a specific type of apartment building layout and construction in the South Korean environment. The excitation and receiving points in the perimeter having the most similar characteristics to the results obtained using the Korean engineering methods were first selected. By combining the selected perimeter point and centre point for both the excitation and receiving sounds, the characteristics of each combination were compared with the results obtained using the Korean engineering method. When one excitation point or receiving point in the perimeter was added to the centre point for the proposed survey method, the difference between the measurement result using the engineering and proposed survey method decreased. The standard deviation of the difference between the SNQs of the proposed survey method and the Korean engineering method for measuring the rubber ball impact sound was smaller than 2 dB.

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A Study on the Floor Impact Noise of Small Size Multi Residential House with Light-weight Dry Walls

Kim¹,

Bae²

2021

KSNVE

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Analysis on the Characteristics of Floor Impact Sound by Floor Construction Process of Apartment Houses

Cited by 4 publications

References 6 publications

Floor-Impact Sound Insulation Performance of Acoustic Metamaterial Ceiling

Floor-Impact Sound Insulation Performance of Acoustic Metamaterial Ceiling

Survey method for field measurement of rubber ball impact sound in reinforced concrete apartment houses in Korea – Based on the Korean measurement method

A Study on the Floor Impact Noise of Small Size Multi Residential House with Light-weight Dry Walls

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