組合隔振（震）砌體結(jié)構(gòu)模型振動臺豎向隔振研究*
張暉1，張善莉2
- 摘 要
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張暉1，張善莉2（1 上海建筑設(shè)計研究院有限公司， 上海 200041；2 同濟大學(xué)結(jié)構(gòu)工程與防災(zāi)研究所， 上海 200092）［摘要］采用橡膠支座做基礎(chǔ)隔震的結(jié)構(gòu)隔離水平地震作用的效果已被眾多試驗和實際工程所證實，然而能否通過適當?shù)慕M合和設(shè)計使橡膠支座基礎(chǔ)隔震結(jié)構(gòu)在隔離水平地震作用的同時，能夠隔離地鐵引起的建筑結(jié)構(gòu)豎向振動具有重要的研究價值。某6層砌體結(jié)構(gòu)擬采用橡膠支座與疊層橡膠滑板支座并聯(lián)組合作為隔振（震）層來隔離地鐵引起的豎向振動。為了檢驗該組合隔振（震）系統(tǒng)的豎向隔振性能，對此6層砌體結(jié)構(gòu)的模型進行了振動臺試驗，測試了模型的自振頻率，檢驗了模型豎向隔振能力。結(jié)果表明，這種組合隔振（震）系統(tǒng)能夠有效地隔離地鐵引起的結(jié)構(gòu)振動，可以在有類似要求的工程中推廣使用。［關(guān)鍵詞］橡膠支座； 疊層橡膠滑板支座； 地鐵振動； 豎向隔振； 振動臺試驗中圖分類號：TU352.1 文獻標識碼：A 文章編號：1002-848X(2013)13-0013-04Vertical vibration isolation shaking table test of a masonry structure with composite isolation systemZhang Hui1, Zhang Shanli2(1 Shanghai Institute of Architectural Design & Research Co., Ltd., Shanghai 200041, China; 2 Research Institute of Structural Engineering and Disaster Reduction, Tongji University， Shanghai 200092, China)Abstract: It had been confirmed by numerous experiments and engineering facts that the isolation ability of the isolation structure with rubber bearing was excellent. It will be of great value if we can achieve the vertical vibration isolation capacity as well as the horizontal seismic isolation capacity by some kind of design and rearrange the rubber bearing. A six-story masonry structure was supposed to use rubber bearings and laminated rubber sliding bearings as its isolator layer to isolate the vertical vibration. To appraise the vertical seismic isolation effect of the composite isolation system, a model of the six-story masonry structure was designed and tested on the shaking table. The natural frequency and vertical vibration capacity was testified. It is shown that this composite isolation system can effectively isolate the subway induced vibration. The research results can be a reference in theory and method for the similar engineering.Keywords: rubber bearing; laminated rubber sliding bearing; subway induced vibration; vertical vibration isolation; shaking table test*上海市科學(xué)技術(shù)委員會科研項目（09dz1207800）,上海市城鄉(xiāng)建設(shè)和交通委員會科研項目（重科2010002）。作者簡介：張暉，博士，高級工程師，一級注冊結(jié)構(gòu)工程師，Email:zhanghui@siadr.com.cn。參考文獻［1］FIALA P, DEGRANDE G, AUGUSZTINOVICZ F. Numerical modeling of ground-borne noise and vibration in buildings due to surface rail traffic［J］. Journal of Sound and Vibration, 2007, 301(3-5):718-738.［2］TALBOT J P, HUNT H E M. A generic model for evaluating the performance of base-isolated buildings［J］. Journal of Low Frequeney Noise, Vibration and Active Control, 2003,22(3):149-160.［3］NORTHWOOD T D. Isolation of building structures from ground vibration［C］.ASME Design Engineering Conference, Cincinnati,1973:87-102.［4］NEWLAND D E, HUNT H E M. Isolation of buildings from ground vibration: a review of recent progress［J］. Proceedings of the Institute of Mechanical Engineers,1991,205(1):39-52.［5］魏陸順,周福霖,任珉,等. 三維隔震（振）支座的工程應(yīng)用與現(xiàn)場測試［J］.地震工程與工程振動, 2007, 27(3): 121-125.［6］李亞明,胡錫勇,酈敏浩. 組合隔振（震）砌體結(jié)構(gòu)模型振動臺水平隔震試驗研究［J］. 建筑結(jié)構(gòu), 2013, 43(13): 7-12.［7］魯濱遜, 麥克維瑞, 周雍年，等. 工程隔震概論［M］.北京：地震出版社,1996.［8］JGJ/T 170—2009 城市軌道交通引起建筑物振動與二次輻射噪聲限值及其測量方法標準［S］. 北京：中國建筑工業(yè)出版社，2009.［9］王平山， 張善莉. 地鐵運行引起的建筑室內(nèi)振動研究及減振扣件性能評價［J］. 建筑結(jié)構(gòu), 2013, 43(13)： 1-6.
