高烈度地震區(qū)短跨框架梁設(shè)計(jì)方法探討
周瑞
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(中交第三航務(wù)工程勘察設(shè)計(jì)院有限公司,上海 200032)[摘要]在高烈度地震區(qū),相鄰框架梁跨度相差過(guò)大時(shí),可以將短跨框架梁按照連梁設(shè)計(jì)。通過(guò)工程實(shí)例,分析了將短跨框架梁按照連梁設(shè)計(jì)的準(zhǔn)確性和可行性,并指出了設(shè)計(jì)時(shí)應(yīng)注意的事項(xiàng)。[關(guān)鍵詞]短跨框架梁;連梁;地震作用;跨高比中圖分類號(hào):TU375.4文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1002-848X(2011)08-0040-04Discussion on short-span frame beam design in high seismic intensity zoneZhou Rui(CCCC Third Harbor Consultants Co., Ltd., Shanghai 200032, China)Abstract:In high seismic intensity zone, when the spans of adjacent frame beams have great difference,the short-span frame beam can be designed as coupling beam. Based on an engineering example, the accuracy and feasibility of designing short-span frame beam as coupling beam were analyzed, and the problems should be paid attention to in design were preasented.Keywords:short-span frame beam; coupling beam; earthquake action; span-depth ratio作者簡(jiǎn)介:周瑞,一級(jí)注冊(cè)結(jié)構(gòu)工程師,Email:zhour@theidi.com。參考文獻(xiàn)[1]GB50011—2010建筑抗震設(shè)計(jì)規(guī)范[S]. 北京:中國(guó)建筑工業(yè)出版社,2010.[2]JGJ3—2002高層建筑混凝土結(jié)構(gòu)技術(shù)規(guī)程[S]. 北京:中國(guó)建筑工業(yè)出版社,2002.[3]GB50010—2010混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范[S]. 北京:中國(guó)建筑工業(yè)出版社,2011.[4]方鄂華. 高層建筑鋼筋混凝土結(jié)構(gòu)概念設(shè)計(jì)[M]. 北京:機(jī)械工業(yè)出版社,2004.[5]黃小坤. 剪力墻連梁縱向鋼筋構(gòu)造配筋率探討[J]. 建筑結(jié)構(gòu),2004,34(1):43-44,55.
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