三迪·聯(lián)邦大廈樁筏基礎(chǔ)設(shè)計(jì)方法的比較
鄭宇，孟霞
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（清華大學(xué)建筑設(shè)計(jì)研究院有限公司，北京 100084）[摘要] 本文結(jié)合三迪·聯(lián)邦大廈樁筏基礎(chǔ)的設(shè)計(jì)，分別采用倒樓蓋法和彈性地基梁法進(jìn)行計(jì)算，比較其優(yōu)缺點(diǎn)，并在此基礎(chǔ)上提出了改進(jìn)有限元法。通過對(duì)三種方法的計(jì)算結(jié)果比較發(fā)現(xiàn)，改進(jìn)有限元法既能夠很好的模擬筏板的受力形態(tài)，又能得出更為經(jīng)濟(jì)、合理的配筋結(jié)果，是進(jìn)行樁筏基礎(chǔ)設(shè)計(jì)的有效手段。[關(guān)鍵詞] 樁筏基礎(chǔ);倒樓蓋法;彈性地基梁法;改進(jìn)有限元法;整體彎曲中文分類號(hào)：318.5+.1 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào): 1002-848X(2013)S1-0863-05Compared to different piled raft foundation design methods of sandi.federal buildingZheng Yu, Meng Xia（Architectural Design and Research Institute of Tsinghuau University Co. , Ltd. , Beijing 100084, China）Abstract: By the way of Piled Raft Foundation design of Fuzhou Sandi•Federal building, Inverted floor calculation method and Elastic foundation beam method are introduced in this paper. It shows the advantages and disadvantages of those methods. Base on those methods, it gives Finite element method. Over the calculation results of these three methods found that Finite element method can rationally simulate force of the raft form. It also draw more economical and reasonable results of reinforcement. Therefore, it is an effective method for piled raft foundation design.Keywords: Piled raft foundation; Inver.ted floor calculation method; Elastic foundation beam method; Improved Finite element method; overall bending
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