To obtain large pull-out resistance so as to make a base isolating device also applicable to a multistory building or the like by using material with the specified modulus of shearing elasticity as a soft plate so as to heighten tension yield surface pressure.
A plurality of hard plates 1 with rigidity and a plurality of soft plates 2 with a viscoelastic property are alternately laminated to form a laminated body 3. Material used as the hard plate 1 is metal, ceramics, plastic, FRP, polyurethane, wood, a paper plate, a slate, a decorative plate, or the like with required rigidity, while material with the modulus of shearing elasticity of 9-20kgf/cm2 is used as the soft plate 2. Safety is thereby improved, and freedom of construction and design is heightened, so that an applied range can be enlarged by a large margin.
SUZUKI SHIGENOBU
KIKUCHI TAKASHI
MURAI NOBUYOSHI
UCHIYAMA YOSHIHIDE
YAMAMOTO MASAFUMI
SANO TOMOJI
YOSHIOKA HIROKAZU
TAKENAKA KOMUTEN CO