Abstract
The hospital environment affects patient satisfaction. Excessive noise in the ward hinders patients’ sleep and rest. Moreover, it affects communication between medical staff, patients, and visitors. Precast concrete modular structures have the advantage of shortening the construction period compared to reinforced concrete buildings. Owing to this advantage, modular hospitals are expected to be useful for production and supply in emergency situations such as pandemics. This study aimed to measure the floor impact and airborne transmission sounds of a precast concrete modular ward to evaluate whether they meet noise standards. Light-weight impact sounds (L’SUBn,w/SUB) were measured at 52 dB and 54 dB and heavy-weight impact sounds (L’SUBiA,Fmax/SUB) at 62.8 dB and 63.6 dB in two tested wards. The sound reduction index (R’SUBw/SUB) between the two rooms was 51 dB. The insulation performances of light-weight impact sound and airborne sound were found to satisfy most of the minimum standards set by countries of the European.
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