Engineering consultancy for structural dynamics: vibration measurements, vibration monitoring according to DIN 4150 and dynamic calculations
iff – Ingenieurbüro für Dynamik und Erschütterungen Dr.-Ing. Matthias Fritsche
BerlinNew on Amplifa
About the engineering consultancy
The engineering consultancy iff has been working in the field of structural dynamics since 1996 with vibration measurements, calculations and consulting. Core services include Class 1 vibration measurements according to DIN 4150/45669 as well as vibration monitoring of buildings and structures according to DIN 4150-3 and DIN 4150-2, for example during demolition, vibration, compaction and foundation works. For planned construction projects, vibration forecasts are prepared based on site measurements; where exceedances are expected, structural measures or active and passive vibration isolation using spring elements and elastomers are calculated and systems planned. In addition, the consultancy offers pile integrity testing, structure-borne-sound-intensive building acoustics analyses, structural and foundation dynamics calculations of stiffnesses, natural frequencies and damping, as well as site investigations. Clients come from construction, rail transport, public building, trade fairs and laboratory or production technology. The consultancy is based in Berlin and is led by founder Dr.-Ing. Matthias Fritsche.
- Site
- Berlin
- Processes
- Class 1 vibration measurements according to DIN 4150/45669, Vibration monitoring of buildings/structures according to DIN 4150, Vibration forecasts, calculations, system planning, Site investigations / immission forecasts for construction projects, Calculation of active/passive vibration isolation, Pile integrity testing, Structure-borne sound analyses / building acoustics measurements, Serviceability measurements on bridges
- Materials
- Vibrations in buildings – Effects on structures, Vibrations in buildings – Effects on people in buildings, Measurement equipment for vibration measurements (Class 1)
- Certificates
- Measurement equipment according to DIN 45669 (Class 1), Certified quality management system
- Founded
- 1996
- Industries
- Construction/geotechnics, Rail transport, Trade fairs/events, Laboratory and production technology, Public construction, Public construction (Bundestag, museums)
- 01
Site investigation or on-site vibration measurement
- 02
Evaluation and derivation of dynamic parameters or immissions
- 03
Vibration forecast or assessment according to DIN 4150-2/-3
- 04
Calculation of measures (isolation, structural modifications)
- 05
Vibration monitoring with alarm during construction works
- 06
Report and documentation
Measurement methods and standards
Vibrations in buildings – Effects on structures
Guide values and procedures for verifying the protection of neighbouring buildings during construction works.
Vibrations in buildings – Effects on people in buildings
Assessment and avoidance of significant vibration nuisance to people in residential premises.
Measurement equipment for vibration measurements (Class 1)
Normative basis for the monitoring systems and amplifiers used.
Location
Berlin
DEOffice
- Materials
- Class 1 vibration measurements according to DIN 4150/45669, vibration monitoring according to DIN 4150-2/-3,
- Monitoring systems DIN 45669-C15HV80/1
- Amplifiers DIN 45669-A12HV80/1
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Class 1 vibration measurements according to DIN 4150/45669Testing | – | – | – | – | – |
| Vibration monitoring of buildings/structures according to DIN 4150Testing | – | – | – | – | – |
| Vibration forecasts, calculations, system planningEngineering | – | – | – | – | – |
| Site investigations / immission forecasts for construction projectsEngineering | – | – | – | – | – |
| Calculation of active/passive vibration isolationEngineering | – | – | – | – | – |
| Pile integrity testingTesting | – | – | – | – | – |
| Structure-borne sound analyses / building acoustics measurementsTesting | – | – | – | – | – |
| Serviceability measurements on bridgesTesting | – | – | – | – | – |
| Structural dynamics calculations and consulting (dynamics, foundation engineering/soil dynamics)Engineering | – | – | – | – | – |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Monitoring system according to DIN 45669 | DIN 45669-C15HV80/1 | 2 | – | – | Budapester Straße 35 Berlin (deployment) |
| Amplifier according to DIN 45669 | DIN 45669-A12HV80/1 | 1 | – | – | EÜ Wiesenweg (deployment) |
| Monitoring system according to DIN 45669 | DIN 45669-C15HV80/1 | 3 | – | – | EÜ Wiesenweg (deployment) |
| Monitoring system according to DIN 45669 | DIN 45669-C15HV80/1 | 3 | – | – | Demolition of Deutschlandhalle (deployment) |
Additional services
Reference customers
Measurement and testing technology
The measurements are carried out with monitoring systems and amplifiers according to DIN 45669 Class 1; continuous monitoring uses UPS backup, alarm circuits and empirical evaluation methods based on long-term experience.
| Evidence | Berlin |
|---|---|
| Measurement equipment according to DIN 45669 (Class 1) | |
| Certified quality management system |
History
- 1996
Foundation of the engineering consultancy faust & fritsche (iff) with a focus on dynamics and foundation engineering/soil dynamics
- 2000
Addition of the acoustics and noise protection fields (today only in connection with dynamic problems)
- 2010–2011
Vibration measurements for the demolition of the Deutschlandhalle (lantern) with three DIN 45669-C15HV80/1 monitoring systems
- 2017–2018
Vibration monitoring during the demolition of Budapester Straße 35, Berlin, with two monitoring systems and 30 sensors
- 2019
Withdrawal of Bernhard Faust; continuation as a sole proprietorship under 'iff – Ingenieurbüro für Dynamik und Erschütterungen' by Dr.-Ing. Matthias Fritsche