INPUT SELECTION FOR INPUT SELECTION FOR EE--DEFENSEDEFENSE

NIEDNIED(TSUKUBA)(TSUKUBA)

EE--DEFENSEDEFENSE(MIKI)(MIKI)

Kenichi Abe, Kazuyoshi Kudo and Kojiro Irikura

33--D ground motion database to provide D ground motion database to provide input motion for the Einput motion for the E--defensedefense

SMDBExisting Data

Synthetic Data

Strong Motion Strong Motion Database in domestic Database in domestic and foreign and foreign organizationsorganizations

Prediction of 3-D earthquake motions

Shake table performance

Synthetic method for input motions

IMDB for E-defense

Constitution of the ProjectConstitution of the ProjectSubject 1 (Dr. K. ABE from Hyogo Earthquake Engineering Subject 1 (Dr. K. ABE from Hyogo Earthquake Engineering

Research Center, NIED)Research Center, NIED)

Stochastic Prediction for Strong Earthquake Motions Stochastic Prediction for Strong Earthquake Motions and Installation of IMDB to Eand Installation of IMDB to E--defensedefense

Development of a 3Development of a 3--D ground motion database to D ground motion database to provide input earthquake motion for Eprovide input earthquake motion for E--defensedefense

Research of synthetic 3Research of synthetic 3--D ground motions from D ground motions from anticipated large earthquakes in Urban areasanticipated large earthquakes in Urban areas

Subject 2 (Prof. K. Subject 2 (Prof. K. KudoKudo from Earthquake Research Institute, from Earthquake Research Institute,

University of Tokyo)University of Tokyo)

Subject 3 (Prof. K. Subject 3 (Prof. K. IrikuraIrikura from Disaster Prevention Research Institute,from Disaster Prevention Research Institute,

Kyoto University )Kyoto University )

Subject 1Subject 1Stochastic Prediction for Strong Earthquake Stochastic Prediction for Strong Earthquake

Motions and Installation of IMDB to EMotions and Installation of IMDB to E--defensedefense

ObjectivesTo provide a prediction method being capable

of estimating site and path response in time domain.

To provide the E-defense IMDB with the functions of shake table performance check for input motions and of synthesizing standard input motions

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Performance limit for wave numbers Performance limit for wave numbers and oil capacity and oil capacity

Performance limit of servo valve Performance limit of servo valve

Subject 2 Subject 2 Development of a 3Development of a 3--D ground motion database to D ground motion database to

provide input earthquake motion for Eprovide input earthquake motion for E--defensedefenseObjectivesObjectives

To develop a SMDB including both existing and To develop a SMDB including both existing and synthetic synthetic ground ground motions to install to the Emotions to install to the E--defensedefense(Unique so as to include synthetic motion from anticipated large earthquakes)

S M D BEarthquake dataStation dataWaveform data

OS: LINAUX

DBS: PostgreSQR

Present status of the SMDBPresent status of the SMDB

Subject 3 Subject 3 Research of synthetic 3Research of synthetic 3--D ground motions from D ground motions from

anticipated large earthquakes in Urban areasanticipated large earthquakes in Urban areasObjectiveObjective

To select the optimum synthetic method and to predict To select the optimum synthetic method and to predict ground motions from anticipated large earthquakes ground motions from anticipated large earthquakes

1.Selection of synthetic method 1.Selection of synthetic method Empirical GreenEmpirical Green’’s functions functionStochastic GreenStochastic Green’’s Functions Function33--D finite deference simulationD finite deference simulationHybrid GreenHybrid Green’’s Function(s Function( or or ))2.Ground motion prediction of anticipated large 2.Ground motion prediction of anticipated large

earthquakesearthquakes

Predicted ground motions from Predicted ground motions from ThonannkaiThonannkai earthquakeearthquake

Adoption of Hybrid GreenAdoption of Hybrid Green’’s function methods function method

Predicted ground motions from Predicted ground motions from NankaiNankai--ThonannkaiThonannkai earthquakeearthquake

Goal of the IMDB for EGoal of the IMDB for E--Defense Defense

Functions to be installed are as follows:To retrieve both existing and synthetic To retrieve both existing and synthetic

motions motions To check shake table performance for selected To check shake table performance for selected

input motionsinput motionsTo synthesize the input motion for the To synthesize the input motion for the

specified site specified site