Building Acoustics Service
Sound insulation and noise disturbance in buildings is an important environmental factor that has become increasingly topical in recent years. We plan cost-effective solutions to achieve the required quality. We have developed quick and simple routines for the measurement of sound insulation, noise disturbance and stepping noise.
Akustikon AB specialises in building acoustical pl...
Akustikon AB specialises in building acoustical planning and problem solving. We have extensive experience of the measurement of building acoustics, and also perform sound classification of spaces in buildings according to the Swedish Standars SS 02 52 67 and SS 02 52 68.
Planning of Building Acoustics
When a building is planned, its acoustic qualities are decided at the same time. Sometimes, this simply means avoiding serious defects to ensure the satisfactory function of the building. However, in most cases, the desired function is only achieved if experts are engaged to plan the acoustics right from the start. We specialise both in helping you choose the right acoustic qualities for the building, and in planning the various acoustical aspects in order to achieve the desired acoustic quality.
We use our wide experience to choose the appropriate tools for each project: quick responses derived from similar cases in the past, fast analytical mathematical models, or, in some cases, computer-aided calculations using SEA (Statistical Energy Analysis) or FEA (Finite Element Analysis).
The earlier we are involved in a project, the better and cheaper the solutions we can suggest. Trying to adjust a problem later is usually the most expensive and least efficient alternative, if finding an effective solution is financially viable at all.
Problem Solving
We are frequently engaged to solve existing acoustical problems. These problems vary widely, but they all have one thing in common: 'there's a noise'.
Over the years, we have amassed a vast pool of experience that helps us to effectively deal with these diverse problems. Usually, a simple frequency analysis, combined with our collective experience, is enough to solve the problem. However, in more complex cases, we may use both analytical and computer-based modelling of the building, just as we do in the planning stages.
Measurement
We perform most types of sound and vibration measurement, such as control measurement of sound insulation and testing of sound and vibration levels. An important part of our job is to measure the acoustical qualities of the completed buildings.
Sound Classification
In 1996, official standards were introduced in Sweden for sound classification in dwelling, using a simple system where various acoustical qualities are grouped together to form a range of noise standards: very good (noise class A), good (noise class B), generally acceptable (noise class C), and unacceptable (noise class D). The standards were revised somewhat in 1998. Since 1 January 1999, the Construction Regulations (BBR) of the National Board of Housing, Building and Planning (Boverket) specify, in principle that accommodation must be of at least noise class C. As a result, the noise requirements for housing have become stricter in several respects.
In 2000, a standard was introduced for sound classification of other types of premises, e.g. institutional premises, rooms for education, day centres and after school centres, rooms for office work, hotels (SS 02 52 68), where sound qualities corresponding to various perceived noise standards are grouped together in the same way as for housing.
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