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Volume 12 Issue 4
Dec 2001
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Yaoting Zhang, Ping'an Lei, Zaihua Liu, Ning Lin. Research on Practicability and Feasibility for a New-Type Tuned Mass Damper System-TMD. Journal of Earth Science, 2001, 12(4): 312-316.
Citation: Yaoting Zhang, Ping'an Lei, Zaihua Liu, Ning Lin. Research on Practicability and Feasibility for a New-Type Tuned Mass Damper System-TMD. Journal of Earth Science, 2001, 12(4): 312-316.

Research on Practicability and Feasibility for a New-Type Tuned Mass Damper System-TMD

  • Received Date: 15 Jan 2001
  • Accepted Date: 05 Jul 2001
  • Based on the principle of tuned mass damper (TMD). the method of using laminated rubber bearing (LRB) to connect TMD with structure is discussed in this paper. This is a new type of TMD system-suspended structure. To test the function of quake-reduction and the possibility of application, this paper explores the suspended top floor through shaking table test. In the model test, an electro-hydraulic shaking table was used. The main structure model was a four-story steel frame structure. The block to combat the structural quake was a concrete block. LRB was used to connect the block to the main structure. In order to analyze the efficiency of TMD, the fundamental frequencies of the main structure and block of TMD were measured separately first. Then. the frequencies of the main structure with the block and without the block were compared respectively under sine and imitative quake waves. The test shows that this new-typeTMD system is effective in combating the structural quake often reducing the acceleration of the top floor by more than 25 %. Because of the easy availability of the method, it is endowed with practical feasibility.

     

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