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龔紹熙 (同濟大學 上海 200092)
[提要] 簡要介紹新砌體結構設計規(guī)范關于墻梁設計等內容的修訂。提出合理簡便的統(tǒng)+計算模式,補充連續(xù)墻梁和框支墻梁設計方法,簡化簡支墻梁托梁計算并提高可靠度,改進墻體受剪承載力計算,補充墻梁抗震設計。對圈梁、過梁和挑梁設計也做了若干改進。
[關鍵詞] 規(guī)范 墻梁設計 修訂 砌體結構The Code of Design of Masonry Structures (GBJ3-88) has been revised. A brief introduction is given to major improvement for the design of wall-beams etc. in this revised edition( GB50003-2001). The reasonable and simple compute model of wall-beams is presented. The calculation of simply supported wall-beams is simplified, and its reliability is enhanced. The calculation of continuous wall-beams and wall-beams supported on frame, and the seismic design of wall-beams are added. The calculation of shear capacity for the walls of wall-beams, and the design of ring beam, lintel and cantilever beam are improved.
Keywords: code; design; wall-beam; improvement; masonry structure