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（中國電子工程設(shè)計(jì)院深圳市電子院設(shè)計(jì)有限公司 深圳  518031）
［摘要］現(xiàn)代商務(wù)大廈為超限高層建筑，結(jié)構(gòu)總高度186.20m。在層6通過型鋼混凝土桁架將上部外框架密柱轉(zhuǎn)換為落地疏柱。針對(duì)桁架轉(zhuǎn)換結(jié)

構(gòu)特點(diǎn)，研究了桁架轉(zhuǎn)換層對(duì)結(jié)構(gòu)整體抗側(cè)剛度的影響，詳細(xì)計(jì)算了桁架內(nèi)力和轉(zhuǎn)換層及其上層樓板的應(yīng)力及分布，介紹了轉(zhuǎn)換桁架及其上下

層樓板的設(shè)計(jì)。計(jì)算結(jié)果表明，桁架轉(zhuǎn)換具有傳力明確，傳力路徑清楚，結(jié)構(gòu)剛度、質(zhì)量變化較為均勻等優(yōu)點(diǎn)。
［關(guān)鍵詞］桁架轉(zhuǎn)換；抗側(cè)剛度；加強(qiáng)措施；高層建筑
Analysis and Design of Truss-transfer Story of Shenzhen Modern Commercial Building
Zhang Tao, Mao Renxing, Huang Zhuo, Yang Song(China Electronics Engineering Design Institute,Shenzhen Electronics Design

Institue Co. Ltd.,Shenzhen 518031,China)
Abstract:Shenzhen Modern Commercial Building is a high-rise building which exceeds the prescription of specification, the

height of structure is 186.20m. The composite trusses(steel-concreted) are arranged on the sixth floor to transfer the

external dense framed columns on the upper floors to the sparse columns on the lower floors. According to the traits of truss

transferring structure, the affect to the lateral resist rigidity of entire structure was studied.The stress-diagrams of the

truss, transferring floor and upper slab were analyzed detailedly, and the appropriate designs were also introduced. From the

result, it was clear that the load-path of the truss is straightforward, and lack of change of the mess and structural

rigidity between the floors.
Keywords:transfer truss; resist lateral rigidity; strengthening measures；high\|rise building
作者簡介：張濤(1966-)，男，高級(jí)工程師。
參考文獻(xiàn)
［1］唐興榮.高層建筑轉(zhuǎn)換層結(jié)構(gòu)設(shè)計(jì)與施工［Ｍ］．北京:建筑工業(yè)出版社,2002.
［2］徐培福等.復(fù)雜高層建筑結(jié)構(gòu)設(shè)計(jì)［Ｍ］．北京：建筑工業(yè)出版社，2005.
［3］徐培福等.超限高層建筑結(jié)構(gòu)基于性能抗震設(shè)計(jì)的研究［J］．土木工程學(xué)報(bào)，2005，(1).