Building Acoustic

Noise Generated From Drain Pipes

Nowadays, quite, comfortable, and healthy residential space has been increasingly valued as the living quality rises. According to domestic aiming studies, a lot of residents are disturbed by noise generated from drain pipes which is one of the main problems of water supply and drainage system devices in existing buildings.

However, referring to the above, chase and lavatory architectural design in our country has yet been improved which catch our attention. The lab studies the issue by on-site measurement on the basis of ISO 16032, which was launched on 2004 stating the standard of noise on-site measurement for all kinds of service devices in a building, intent to clarify the key problem with efficiency, analyze it and provide improving strategies.

Below are ongoing projects:
[1] Existing noise problem studies on water supply and drainage device and drain pipes in residential units.
[2] Management for noise problem with water supply and drainage device in residential units.
*The project is operating associated with Professor Fang-ming, Lin from National Pingtung University of Science and Technology

Comparison of noises generated by open-conduit, covered-conduit, and the circumstanceMeasurement results of different kinds of noise


Floor Impact Sound

An acoustic condition in residential units has always been a vital research issue. There are even many cases that resort to litigation for floor impact sound trouble in congregate housing recently.  Ministry of the Interior, Taiwan has implemented the practically operation of managing and upgrading acoustic condition in residential units, as it has upgraded the impact sound reducing performance requirements of floor materials in regulations such as Housing Act and Indoor Target of EEWH. The study is conducted by on-site measurement and experiments in laboratories on floor materials’ acoustic performance of different components including finishing parts, resilient parts, structure parts.

Below are ongoing projects:
[1] Improvement extent measurement for floor impact sound reduction of resilient materials.
[2] Resilient measurement and database establishment of absorptive building materials.
*The project is operating associated with Professor Fang-ming, Lin from National Pingtung University of Science and Technology and Professor Sung-Chin, Chung National Yunlin University of Science and Technology.

Small sample tested by standard tapping machineSound transmission class measurement with floor impact sound of different Octave Band