2011 Fiscal Year Final Research Report
Development of a tuned viscous mass damper system for seismic damage control of building structures.
| Project/Area Number |
21360260
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (B)
|
| Allocation Type | Single-year Grants |
|---|
| Section | 一般 |
|---|
| Research Field |
Building structures/materials
|
|---|
| Research Institution | Tohoku University |
|---|
Principal Investigator |
IKAGO Kohju 東北大学, 大学院・工学研究科, 准教授 (20521983)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
INOUE Norio 東北大学, 大学院・工学研究科, 教授 (50250725)
|
|---|
| Project Period (FY) |
2009 – 2011
|
| Keywords | 同調粘性マスダンパー / 制振構造 / ダイナミック・マス / TMD / 定点理論 |
|---|
| Research Abstract |
This research project succeeded in imparting an apparent mass effect of 5, 000 t to a conventional rotary viscous damper, which is referred to as the rotary damping tube (RDT), by attaching a cylindrical flywheel having an actual mass of about 1 t. Shake table tests using a real-life damper verified the mass amplifying effect. It is also elucidated that a seismic control system using this damper, the tuned viscous mass damper, can impart arbitrary damping only to the specified mode and almost never changes the mode shapes of all the modes. A simple seismic response evaluation method based on the SRSS method and a practical damping evaluation method is proposed and is applied to a structural design in practice.
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[Remarks] 高層ビルの揺れ制御装置で軽減THK、東北大など開発、2012年4月7日、日本経済新聞朝刊013ページ
-
[Remarks] ボールネジで超高層制震、2012年4月10日、日刊工業新聞11面
-
[Remarks] 長周期地震動の減衰装置、回転速度上げエネ吸収、2012年4月9日、建設通信新聞
-
[Remarks] オイルダンパーに比べ揺れ半減、長周期地震動減衰装置、2012年4月9日、建設産業新聞
