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![Sound Insulation - Definitions, Terms, Units and Parameters]()
www.acoustic-glossary.co.ukCtr : the traffic A-weighted spectrum can be added to the Weighted Standardized Level Difference : DnT,w to take account of low frequency traffic noise.瀏覽：377 -
![Acoustic definitions | Tata Steel Construction]()
www.tatasteelconstruction.comDnT(Tmf,max),w. is the weighted (noise) level difference for airborne sound, in decibels, corresponding to a BB93 reference value of the reverberation time in ...瀏覽：526
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瀏覽：660
日期：2024-07-09
Test Element. Airborne Sound Insulation DnT,W + Ctr dB (Minimum Values).
Impact Sound Insulation L'nT,W dB (Maximum Values). New Build. Wall. 45. -.
Floor....
瀏覽：678
日期：2024-07-07
Mean: 61 dB L'nT,w. Ind: 65 dB L'nT,w. Dwelling-houses and flats formed by
material change of use (conversion). – Walls. – Floors and stairs. 43 dB DnT,w +
Ctr....
瀏覽：1340
日期：2024-07-08
DnT,w. Referred to as the Weighted Standardised Field Level Difference, DnT,w
is a measure of the sound insulation performance of a building element that ......
瀏覽：792
日期：2024-07-08
7 Jul 2012 ... Airborne Sound Insulation (DnT,w + Ctr). ≥ 45 dB. Impact Sound Insulation (L'nT,
W) for floors only. ≤ 62 dB. Conversions. Airborne Sound ......
瀏覽：552
日期：2024-07-12
Rw = DnT,w + 10 log S + 12 dB. Where: S = surface area of the separating
element. V = volume of the receiving room. HTM 08-01 states for light weight
partitions ......
瀏覽：899
日期：2024-07-13
Impact Sound. 62. L'nT,w. DnT,w is Weighted Standardised Level Difference.
DnT,w is Weighted Standardised Level Difference. The minimum acceptable
levels ......
瀏覽：1007
日期：2024-07-08
Table 1.1a: Dwelling-houses and flats - performance standards for separating
walls. Airborne sound insulation. DnT,w + Ctr dB. (Minimum Values). Purpose
built ......
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