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[提要]  陽(yáng)泉市信托投資公司紅樓加層工程，將四層框架加至十三層。就設(shè)計(jì)中結(jié)構(gòu)體系的選擇、轉(zhuǎn)換層結(jié)構(gòu)方案的確定、預(yù)應(yīng)力筋布置及張拉方式、轉(zhuǎn)換層大梁施工等內(nèi)容作了較詳細(xì)的介紹。為大跨度大幅度加層提供了。個(gè)范例，可供從事類(lèi)似工程設(shè)計(jì)及施工的人員參考。
[關(guān)鍵詞]  轉(zhuǎn)換層  巨型框架  裙梁密柱  預(yù)應(yīng)力混凝土

The article takes the case of addition of storey for a building with mega frame in Yangquan,mainly introduces the structure system selection, the determination of transfer story structure, prestress reinforce disposition and the extraction style and the construction of transfer floor beam when nine storeys were added to the four storey Building. An example for large-span and large-scale addition of storey is provided, and may be taken as the reference in design and construction.
Keywords:  transfer storey; large frame; skirt beam; dense column; prestressed concrete