- 摘 要
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林芝照 李國軍
（青島工業(yè)建筑設(shè)計研究院 266012）[提要] 以底框結(jié)構(gòu)的實際工程為例，采用有限元方法分析了不同尺寸的連續(xù)托梁對托梁所傳遞剪力占總豎向荷載百分比的影響規(guī)律，拱效應(yīng)形成高度的變化規(guī)律。對模擬分析法與本地區(qū)習用的計算方法進行了比較，結(jié)果表明：模擬分析法更貼近底框結(jié)構(gòu)的實際受力狀況，且能準確地計算出其應(yīng)力分布。應(yīng)從結(jié)構(gòu)受力和經(jīng)濟的角度來確定連續(xù)托梁的尺寸、配筋。
[關(guān)鍵詞] 底框結(jié)構(gòu) 連續(xù)托梁 拱效應(yīng) 模擬分析法 有限元Based on the practical engineering, adopting the finite element method, the proportion of shear force transmitted by continuous beam to total vertical loading and the height of arch in masonry wall affected by different cross sections of continuous beam supporting masonry wall are discussed. Besides, the results of calculation using analysis method imitating reinforced concrete are compared with those obtained from original methods. The calculation predicted that the exact results can be got by using analysis method imitating reinforced concrete. The cross section size and reinforcement of the beam should be given according to the structure load-bearing conditions and economy.
Keywords: frame-supported brick building; continuous beam; imitating analysis; reinforced concrete; finite
element method; arch effect
