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논문 상세정보

공동주택 현장 측정자료를 활용한 중량충격원의 바닥충격음 차단성능 비교

Comparison of Impact Sound Insulation Performances of Apartment Floors Against Heavy-weight Impact Sources via Field Measurement Data

Abstract

Notification 2013-611 of MOLIT has come into effect. It relates primarily to new standard impact source. In this study, an in-depth experimental analysis of the difference between a bang machine and an impact ball was performed via field testing of shear wall and flat plate structure at 51 sites. This paper focuses on the difference in single number quantities between a bang machine and an impact ball. At wall thicknesses of 180 and 210 mm in shear wall structure, the single number quantities exhibited differences of 3.1 and 4.5 dB, respectively, and at thicknesses exceeding 250 mm in flat plate structure, the difference was constant at 4.6 dB. With regard to flat plate structures, the single-index difference increased up to 11 dB as the thickness of the floor slab increased. In general, the highest level of contribution for the bang machine was 63 Hz, irrespective of thickness determining bandwidth. The highest level for the impact ball were 63 Hz and 125 Hz. In future research, when reviewing additional field performance measurement data, it will be necessary to consider a detailed examination instead of the current method of uniformly adding 3 dB for all thicknesses and types of structures.

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참고문헌 (10)

  1. Ministry of Costruction and Transportation Notice 2005-189: Threshold and Management Standard of the Floor Impact Sound Insulation for Multi-family Housing, 2005. 
  2. Ministry of Land, Infrastructure and Transport Notice 2013-611: Threshold and Management Standard of the Floor Impact Sound Insulation for Multi-family Housing, 2013. 
  3. Jeon, J. Y., Lee, P. J., Jeong, J. H. and Park, J. H., 2006, Comparison of Standard Floor Impact Sources with a Human Impact Source, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 16, No. 8, pp. 789-796. 
  4. KS F 2810-2 : 2012, Field Measurements of Impact Sound Insulation of Floors- Part 2: Method Using Standard Heavy Impact Sources. 
  5. Yoo, S. Y., Yeon, J. O. and Jeon, J. Y., 2009, Analysis and Evaluation of Impact Sound Insulation of Concrete Floor Structures in Response to Characteristics of Heavy-weight Impact Sources, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 19, No. 10, pp. 1062-1068. 
  6. Shin, H., Baek, G. J., Kook, C. and Song, M. J., 2010, A Study of Rating Method Comparison for Heavy-weight Floor Impact Sound based on the Field Test Data in Apartment House, Korea Institute of Ecological Architecture and Environment, Vol. 10, No. 5, pp. 187-194. 
  7. KS F 2863-2 : 2007, Rating of Floor Impact Sound Insulation for Impact Source in Buildings and of Building Elements-Part 2 : Floor Impact Sound Insulation Against Standard Heavy Impact Source. 
  8. Yun, C. Y., Jeong, J. H. and Kim, M. J., 2013, The Effect of Aerated Concrete Containing Foam Glass Aggregate on the Floor Impact Sound Insulation, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 23, No. 5, pp. 414-422. 
  9. Yeon, J. O., Kim, K. W., Choi, H. J., Yang, K. S. and Kim, K. H., 2013, Experiment Evaluation for the Heavy-weight Impact Sound of Dry Double-floor System - Effect of Rubber Hardness and Ceiling Structure -, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 23, No. 1, pp. 30-40. 
  10. Park, H. K., Park, C. W. and Kim, S. W., 2008, An Experimental Study on the Floor Impact Sound Insulation of Apartment depending on the Plane Shape of Living-room, Proceedings of the KSNVE Annual Spring Conference, pp. 844-847. 

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