884aa四虎影成人精品,99久久国产综合精品女图图等你,97在线观看永久免费视频,久久精品国产精品亚洲38,ⅵdeodesetv性欧美

（ 北京市建筑設(shè)計(jì)研究院有限公司， 北京 100045）

［摘要］TMD的減振效果對(duì)調(diào)諧頻率的波動(dòng)十分敏感，而在實(shí)際工程中其頻率很難達(dá)調(diào)諧到最優(yōu)，這導(dǎo)致其有效性明顯降低。有鑒于此，本文立足于雙調(diào)諧質(zhì)量阻尼器（DMTD）及多重調(diào)諧質(zhì)量阻尼器（MTMD）研究理論，通過(guò)SAP2000軟件建立結(jié)構(gòu)整體模型，并采用集中質(zhì)量的方式模擬煤斗重量，研究了將DTMD、2重TMD、5重TMD調(diào)諧策略應(yīng)用于某大型火電廠房煤斗，由于DTMD在Y向的作用退化為T(mén)MD，主要分析其單向（X向）動(dòng)力反應(yīng)的減震效果。結(jié)果表明，DTMD對(duì)結(jié)構(gòu)X向的減震效果優(yōu)于2重TMD及5重TMD；2重TMD及5重TMD對(duì)于結(jié)構(gòu)X向及Y向位移響應(yīng)均具有一定的減震效果，對(duì)于煤斗層及頂層也存在失效情況；罕遇地震作用下，DTMD的殘余變形要小于2重TMD和5重TMD。

［關(guān)鍵詞］雙調(diào)諧質(zhì)量阻尼器； 多重調(diào)諧質(zhì)量阻尼器； 火電廠房； 煤斗減震

中圖分類(lèi)號(hào)： TU352 文獻(xiàn)標(biāo)識(shí)碼： A文章編號(hào)：  1002-848X(2016)S1-0429-05

Control of seismic response for coal bucket in workshop of heat-engine plant 

based on DTMD and MTMD tuning strategy

Teng Fei

（Beijing Institute of Architectural Design， Beijing 100045， China）

Abstract： Due to sensitiveness of TMD to frequency fluctuation, it was difficult to obtain the optimal effect. Based on the studies at home and abroad, The study was carried on application of doubly tuned mass damper(DTMD) and multiple tuned mass damper(MTMD) for coal bucket in workshop of heat-engine plant. The structure model was established by SAP2000 software. Due to Y-direction′s effect of structure adopted DTMD strategy is equal to the effect of structure adopted TMD strategy, the X-direction responses of heat-engine plant adopted DTMD and MTMD strategy respectively under small earthquake and large earthquake were presented and compared, and the results of simulation show that DTMD has best effect among the three kinds of control strategies when adopted to control the weak direction of structure, and five tuned mass damper and two tuned mass damper have effects to some extent. The residual deformation for DTMD is less than five tuned mass damper and two tuned mass damper.

Keywords: doubly tuned mass damper； multiple tuned mass damper； heat-engine plant； coal bucket damping