【摘要】 介绍与传统设计手法不同的“大跨预应力次梁楼盖结构体系”，并对该体系结构中结构布置、主梁设计、预应力次梁设计予以介绍说明。更多还原

【Abstract】 The paper emphatically introduces a kind of “long span prestressed girders floor system”,which differs from general floor structural system designed with regular method.The structural lay outs and the design of primary beam and secondary beam are also introduced.更多还原