Thermal and acoustic performance of aerated concrete- cement fibreboard and bamboo buildings

Singh, Siddharth ; Chourasia, Ajay ; Patel, Rajith ; Bisht, Ravindra Singh

Abstract

The present study evaluates the thermal and acoustic performance of ground plus one storey of 1100 sq. ft. building constructed from aerated cement concrete sandwiched between cement fibreboards and composite bamboo building. The thermal, humidity, ambient, and indoor temperature parameters are analysed for a 24-hours cycle from April to May and December to January month. The average temperature plot for the summer season shows the maximum temperature inside both the buildings does not exceed 32 ºC.  Parameters viz. thermal admittance, thermal damping, and daylight illumination have also been evaluated in the current study.

Outdoor to indoor noise reduction (OINR) values at frequencies ranging from 100 Hz to 4000 Hz are noted and analysed. The maximum noise reduction provided by cement fibreboard wall and bamboo walls are these walls is found to be ~ 40 dBA and 35 dBA. With proper ventilation and avoidance of direct sunlight in the room, a comfortable atmosphere can be achieved for these buildings, which will help in the reduction in energy consumption of the buildings.


Keyword(s)

Bamboo building; Cement fiberboard; Thermal performance; Thermal admittance; Outdoor-indoor noise

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