house without base isolation systems even though structure is built strong enough against simulation of the great hanshin earthquake occurred in 1995,falling objects and furniture may caude serious injuries or trap you inside the house.
house with base isolation
the system is composed of teflon-coated sliding isolator and laminated rubber isolator.
Teflon-coated sliding isolator supoort vertical loads of the building, and reduce the transmission of earthquake force.
Laminated Rubber isolator pull the building back to the original postion smoothly.
Laminated Rubber isolator was jointly developed with bridgestone, a major tire and rubber company, and poineer of seismic isolators manufactured in japan.