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    賈金青  孫洪梅
    （大連理工大學(xué)土木建筑學(xué)院  116024）

[提要]  懸臂梁或掛梁的牛腿結(jié)構(gòu)由于截面高度顯著減小，其工作條件比正常形狀構(gòu)件的工作條件要不利得多，密集的鋼筋使牛腿的構(gòu)造和施工變得復(fù)雜。為解決上述問(wèn)題，給出了一種沿橋面懸臂端水平方向早齒狀分布的斜牛腿用以支承掛梁，并給出了這種新型牛腿的設(shè)計(jì)方法和原則，可用于實(shí)際工程。
[關(guān)鍵詞]  鋼筋混凝土  牛腿  斜牛腿  應(yīng)力集中

A new type of bracket-bevelled bracket is put forward to improve the stress state of the bracket. The complicated construction of the common bracket is overcome by using the bevelled bracket. The design method and principle are described in detail. The bevelled bracket is used in the project.
Keywords: bracket; bevelled bracket; stress concentration