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曹 龍， 閆 軍， 鄒 宏
（中國航空規(guī)劃建設(shè)發(fā)展有限公司，北京 100120）[摘要] 某機(jī)房是鋼筋混凝土框架結(jié)構(gòu)，工程具有錯(cuò)層多，跨度大，荷載重，結(jié)構(gòu)重要性高等特點(diǎn)。介紹變厚度筏板基礎(chǔ)的設(shè)計(jì)，30m大跨度樓蓋的設(shè)計(jì)選型及型鋼混凝土梁的設(shè)計(jì)難點(diǎn)。為提高大震下結(jié)構(gòu)的整體抗震性能，工程采用軟鋼阻尼器進(jìn)行耗能，并進(jìn)行彈塑性動(dòng)力時(shí)程分析。
[關(guān)鍵詞] 大跨度；型鋼混凝土梁；變厚度筏板；軟鋼阻尼器；彈塑性動(dòng)力時(shí)程分析
中圖分類號(hào)：TU352.1 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2012) Sl-0393-03Structural design of a calculator room with a large span
Cao Long, Yan Jun, Zou Hong
( China Aviation Planning and Construction Development Co., Ltd., Beijing100120, China)Abstract: A calculator room project, which has multi-staggered floor, large span and heavy load, and lugh structural importance, was reinforced concrete frame structure. The design of variable thickness of the raft foundation, type selection of 30m large-span floor slab and the difficulties of steel reinforced concrete beams were mainly introduced. In order to improve the overall seismic performance of the structure under strong earthquakes, energy consumption by mild steel damper was used ,and elastic plastic dynamic time-history analysis was performed.
Keywords: large span; steel reinforced concrete beams; variable tluckness of the raft foundation; mild steel damper; elastic plastic dynamic time-history analysis
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