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（上海興濤建筑結(jié)構(gòu)設(shè)計(jì)事務(wù)所， 上海 200092）

［摘要］針對(duì)結(jié)構(gòu)工程設(shè)計(jì)中遇到的實(shí)際情況，提出了圓形截面鋼筋混凝土受彎構(gòu)件正截面承載能力的實(shí)用計(jì)算方法。該計(jì)算方法建立了迭代計(jì)算的初值公式，避免了盲目計(jì)算，大量地減少了結(jié)構(gòu)計(jì)算工作。該計(jì)算方法在圓形截面構(gòu)件中采用非對(duì)稱配筋，在保證安全和經(jīng)濟(jì)的條件下充分讓結(jié)構(gòu)材料鋼筋和混凝土發(fā)揮作用。本文介紹了筆者1990年用此方法設(shè)計(jì)的一個(gè)支護(hù)樁工程實(shí)例。本計(jì)算方法經(jīng)過實(shí)際工程實(shí)踐的檢驗(yàn)，取得了佷好的成果。

［關(guān)鍵詞］抗彎承載能力； 受彎構(gòu)件； 解析解； 支護(hù)樁； 相對(duì)誤差

中圖分類號(hào)： TU318.1    文獻(xiàn)標(biāo)識(shí)碼： A    文章編號(hào)： 1002-848X(2015)S2-0381-05

Practical calculation method of bending capacity for reinforced concrete flexural

 member with circular section and its engineering practice

He Wei

（Shanghai Xingtao Structural Engineers Inc., Shanghai 200092, China)

Abstract： Based on practical situation of structural engineering design, practical calculation method of bending capacity for reinforced concrete flexural member with circular section was provided. The method estabishes initial value formular of trial calculation, avoids void trial calculation, largely reduces structural calculative work. The method applies steel bar unsymmetrical in reinforced concrete flexural member with circular section, makes full use of structural material steel bar and concrete under the condition of guaranteeing safe and lowing construction cost. A practical soldier pile engineering designed by writer in 1990 with this practical calculation method was introduced. The method is verified by engineering practice and obtains very good achievement .

Keywords： bending capacity； flexural member； analysis solution； soldier pile； relative error 

作者簡(jiǎn)介: 何偉，碩士，總工程師，高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email: nikko@vip.163.com。