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  竇長(zhǎng)揆
  （大慶石油化工總廠 大慶市 163714）

[提要]  根據(jù)底層框架磚房的底層框架彈塑性變形驗(yàn)算方法，對(duì)底層框架在罕遇地震下承擔(dān)的地震剪力進(jìn)行分析并進(jìn)行簡(jiǎn)化計(jì)算；在滿足底層框架彈塑性變形要求條件下，提出采用底層框架屈服強(qiáng)度系數(shù)及框架柱配筋的彈塑性變形協(xié)調(diào)控制的計(jì)算方法，在進(jìn)行底層框架的設(shè)計(jì)時(shí)，便于對(duì)框架抗震承載力進(jìn)行調(diào)整，通過(guò)這種協(xié)調(diào)控制計(jì)算，可以減少設(shè)計(jì)工作量及設(shè)計(jì)的盲目性。
[關(guān)鍵詞]  底框磚房 抗震設(shè)計(jì) 彈塑性變形 控制計(jì)算

Based on the checking method to the elastoplastic deformation in the first story frame for the brick ma-sonry buildings with framed first story, analysis and the simplified calculation are given to the earthquake shear force carried by the first story frame in rarely encountered earthquake. Being satisfied with the requirement for the elastoplastic deformation in the first story frame, a calculation method is put forward, which is coordinately controlled by the yield strength coefficier/t for the first story frame and the elasto-plastic deformation of frame column reinforcement, when designing the first story frame by using the method, it is convenient to make adjustment for antiseismic bearing value for the first story frame, and to decrease the amount and blindness of the design work.
Keywords: masonry building with framed first story;antiseismic design; elastoplastic deformation