Innovative base-isolated building with large mass-ratio TMD at basement for greater earthquake resilience

Table 2 Response comparison among proposed models and conventional models under long-period and pulse-type ground motions

	Proposed-1-1 Model	Proposed-1-2 Model	Proposed-1-3 Model	Proposed-2 Model	Imass TMD Model	NewTMD Model
Long-period ground motion
Deformation of base-isolation story	×	△	◎	△	◎	〇
Top-floor absolute acceleration	×	△	◎	△	◎	•
Deformation of superstructure	×	△	◎	△	◎	•
TMD stroke	Similar reduction from Proposed-1 Model
TMD displacement relative to ground	×	◎	〇	〇	◎	◎
Reaction of spring supporting TMD	×	◎	×	△	×	△
Reaction of oil damper supporting TMD	•	△	×	△	×	△
Reaction of inertial mass damper supporting TMD	–	–	–	◎	×	–
Pulse-type ground motion
Deformation of base-isolation story	•	•	•	•	•	•
Top-floor absolute acceleration	•	•	•	•	•	•
Deformation of superstructure	•	•	•	•	•	•
TMD stroke	◎	〇	•	◎	•	〇
TMD displacement relative to ground	•	•	•	〇	◎	〇
Reaction of spring supporting TMD	△	◎	×	•	△	△
Reaction of oil damper supporting TMD	△	△	×	•	×	×
Reaction of inertial mass damper supporting TMD	–	–	–	◎	×	–

◎: excellent performance, 〇: good performance, △: fair performance, ×: ordinary performance
•: small change from Proposed-1 model