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翟傳明¹，  譚  軍¹ ， 徐國(guó)華²，  劉遠(yuǎn)華³
（1 國(guó)家建筑工程質(zhì)量監(jiān)督檢驗(yàn)中心北京，100013；2 國(guó)聯(lián)房地產(chǎn)公司；3 北京博程偉業(yè)國(guó)際工程咨詢有限公司）

[摘要] 針對(duì)一典型大跨預(yù)應(yīng)力混凝土樓蓋的設(shè)計(jì)問(wèn)題，提出了兩種可行的樓蓋結(jié)構(gòu)布置方案，方案一為以大跨度預(yù)應(yīng)力框架梁作主梁，鋼筋混凝土次梁垂直于預(yù)應(yīng)力框架梁均勻布置的主次梁樓蓋方案；方案二為以邊框架梁為支座設(shè)置大跨預(yù)應(yīng)力肋梁的肋梁樓蓋方案。根據(jù)結(jié)構(gòu)分析結(jié)果，對(duì)兩種設(shè)計(jì)方案的結(jié)構(gòu)材料用量和造價(jià)進(jìn)行了對(duì)比。對(duì)比結(jié)果表明，在該典型跨度范圍內(nèi)，主次梁樓蓋結(jié)構(gòu)的受力更加合理，建造成本相對(duì)較低。
[關(guān)鍵詞] 預(yù)應(yīng)力混凝土；樓蓋；設(shè)計(jì)；協(xié)調(diào)扭轉(zhuǎn)

Analysis on Structural Designing of Typical Large-span Prestressed Concrete Floor
Zhai Chuanming¹, Tan Jun¹,  Xu Guohua²,  Liu Yuanhua³
(1National center for quality supervision and test of building engineering, Beijing 100013, China; 2 Guolian Real Estate Co., Ltd; 3 Beijing Bochengweiye International Engineering Consult Co., Ltd.)

Abstract: According to the structural design of typical large-span prestressed concrete floor, the author puts forward two feasible plans for the floor structure scheme. The first plan is that make frame beams as main beams, and put up secondary beams perpendicular to the frame beams. The second plan is that put up large-span prestressed concrete beams perpendicular to the frame side beams, make beams YLl and frame beams as main beams. According to the structural analysis results, the results of material usage and cost of the two plans for the floor structure scheme are compared.  The comparison result shows that structural force resisting of the first plan is more reasonable, and the building cost is relatively low.
Keywords: prestressed concrete; floor; design; compatibility torsion