- 摘 要
-
（北京市建筑設(shè)計研究院有限公司， 北京 100045）
［摘要］北京化工大學(xué)高精尖創(chuàng)新中心地上部分主要建筑功能為實驗室及辦公室。主體結(jié)構(gòu)地上10層，結(jié)構(gòu)高度為43-2m，地上結(jié)構(gòu)體系為框架-剪力墻結(jié)構(gòu)。為保證上部實驗室儀器的安全及精密性，并防止地震作用下危險化學(xué)物品帶來的二次災(zāi)害，本建筑采用隔震設(shè)計。隔震層由鉛芯橡膠支座、普通橡膠支座、滑動支座組合而成。在±0m位置處設(shè)置橡膠隔震支座，在電梯核心筒處基礎(chǔ)頂面設(shè)置滑動支座，并在隔震支座下支柱頂設(shè)置拉梁。主要闡述框架-剪力墻結(jié)構(gòu)隔震設(shè)計的關(guān)鍵及難點問題，重點研究罕遇地震下支座最大拉應(yīng)力計算分析、隔震支墩設(shè)計、核心筒底板滑動支座布置方法等。分析結(jié)果表明，采用拉壓剛度雙線性模型來模擬支座豎向剛度，能夠真實地反映大震作用下支座的拉應(yīng)力狀態(tài)。
［關(guān)鍵詞］框架剪力墻結(jié)構(gòu)； 隔震設(shè)計； 橡膠隔震支座； 滑動支座
中圖分類號：TU352.12文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2018)20-0043-06
Isolation design of the High-precision-innovation Center in Beijing University of Chemical Technology
Zhao Can, Kang Zhao, Jiang Yang, Ma Kai, Jin Han, Sun Ke
(Beijing Institute of Architectural Design， Beijing 100045， China)
Abstract:The main building function of the High-precision-innovation Center in Beijing University of Chemical Technology is experiment and office. The main structure is 10 floors above ground with a structure height of 43-2m. The above-ground structural system is a frame-shear wall structure. In order to ensure the safety and precision of the upper laboratory equipment and prevent the secondary disaster caused by dangerous chemicals under earthquake, the isolated technology was adopted in design. The seismically isolated layer was composed of lead-core rubber bearing, ordinary rubber bearing, sliding bearing. The rubber isolation bearing was arranged at a position of ±0m; the sliding bearing was arranged on the base plate of the elevator core tube. And the tie beam was arranged at the top of the pillar under the seismic isolation bearing. The key and difficult problems in the design of the isolated building, a complex high-rise frame-shear wall structure, were expounded. Calculation and analysis of maximum tensile stress of the rubber isolation bearing under rare earthquake, the design of isolation buttress, and the arrangement method of sliding bearing on the bottom of the core tube were mainly studied. The analysis results show that using the tensile and compression stiffness bilinear model to simulate the vertical stiffness of the bearing can truly reflect the tensile stress state of the bearing under rare earthquake.
Keywords:frame-shear wall structure; isolation design; rubber isolation bearing; slide bearing
作者簡介：趙燦，碩士，工程師，一級注冊結(jié)構(gòu)工程師，一級建造師，Email：langzc@126.com。
