Adaptive magneto-rheological base isolator
We have developed an adaptive base isolation system to protect structures from potential damage caused by lateral forces such as those generated by earthquakes, tremors, high winds or vibrations.
ENGLISH | 中文版
Base isolation, or seismic base isolation, is the most popular means of protecting structures such as buildings and bridges against earthquakes, tremors and high winds. Due to their passive nature, conventional base isolation systems are vulnerable because the types of earthquakes which actually occur can be outside of its design configurations.
HOW IT WORKS
Our innovative adaptive base isolator is the first of its type in the world to utilise magnetorheological elastomers (MREs). Its adaptive properties are based on a central core which consists of multiple layers of thin MRE sheets sandwiched between, and bonded to, adjoining layers of thin steel sheets. An electromagnetic coil extends around the core to generate a magnetic field of variable strength in response to an applied electrical current which can be adjusted in accordance to an earthquake’s specific characteristics. The system is capable of instantly changing its shear stiffness and damping properties in response to energisation of the magnetic field.
- Increases structural resilience and adaptability to different types of earthquakes
- Provides a substantial degree of controlled adaptability in real time in response to variable vibrational inputs.
- Relatively cost-effective to manufacture.
- Reliable and easy to control.
- Buildings and bridges in locations at risk from earthquakes or need to withstand high winds.
- Buildings which contain equipment which is sensitive to vibrations.
Status and IP Position
This technology is available for free as an UTS Easy Access IP Licence. UTS is seeking a partner to license this technology or to develop it further work the researchers.