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    李旭陽(yáng)
    (北京有色冶金設(shè)計(jì)研究總院建工所 100038)

[提要]  區(qū)別于傳統(tǒng)的方法，應(yīng)用有限元法考慮地基梁與上部剪力墻的共同作用來(lái)設(shè)計(jì)地基梁，其經(jīng)濟(jì)效益是十分顯著的。剪力墻高度的取值對(duì)計(jì)算結(jié)果影響很大，本文通過(guò)彈性理論推導(dǎo)和有限元實(shí)例計(jì)算確定了最佳值，使得計(jì)算量小，結(jié)果精確。
[關(guān)鍵詞]  地基梁 共同作用  剪力墻 有限元法

Different from the traditional method,  the finite element method considering the cooperative effect of foundation beam and upper shear wall produces remarkable economic benefits. The hight of the shear wall we choose in the computing affects the result greatly. In this paper, according the elastic theory analysis and computing of several actual instances, the author gives an optimum selection. Using it we can get a precice result and save much work.
Keywords: foundation beam; cooperative effect; shear wall; finite element method