摘 要: 本設計是辦公樓設計,位于杭州。總建筑面積約為2344.56㎡,底層占地面積約為460.34㎡,總高為19.4m,屬多層建筑。地震設防烈度為六度,抗震等級為四級;建筑結構安全等級二級,設計使用年限為50年。本方案采用鋼筋混凝土現澆框架結構,主體結構為雙向承重框架。在進行荷載計算和構件截面估算后,選取六號框架進行計算,用分層法算出內力,并對最不利荷載組合進行分析,通過D值法求出風荷載,進而進行框架梁柱截面設計。并選取部分樓面板、連續梁、樓梯、樁基礎等進行設計。本方案基礎形式采用樁基礎,樓梯為鋼筋混凝土現澆板式樓梯。整個方案設計基本符合設計和結構要求,具有一定的創造性和合理性。
關鍵詞:鋼筋混凝土 結構設計 荷載計算 樁基礎
Abstract: It is that the office building designs to originally design, located in Hangzhou. The total construction area of about 2344.56 ㎡ and bottom covers about 460.34 ㎡, the total high is 19.4 m, is a multi-storey building. the earthquake intensity is six degrees to set up defences, the forth grade antidetonation, Structural safety grade two and the design life span of 50 years. The program used cast-in-place reinforced concrete frame structure, the main load-bearing structure of the two-way framework. Conducting load calculation and after estimating beam, select the 6th framework for load calculations, using layered calculated forces, later analysis the most unfavorable load portfolio ,through D value derived wind load, and then cross-section beams framework for the design. And select some floor panels, continuous beams, staircases, the pile foundation and so on to design. This basic form is pile, the stair is the stair of cast-in-place modes in Chinese operatic music of armored concrete . The whole conceptual design accords with the design and structure demand basically, have certain creativity and rationality.
Keywords: Reinforced Concrete Structural Design Load Calculation
Pile Foundation