泉州吉源花苑地下停车场为大跨度预应力框架结构 ,环向预应力梁跨度 1 1 .65m ,径向预应力梁跨度 1 6.8m。本文详细分析了该停车场在这种建筑平面情况下几种不同梁系结构的优缺点 ,并说明了所采用体系的预应力结构设计 Quanzhou Jiyuan Garden underground parking lot is a large-span prestressed frame structure, the span of prestressed girder is 1.165m, and the span of radial prestressing beam is 18.8m. This paper analyzes in detail the advantages and disadvantages of several different beam structures of the parking lot under the condition of such a building plane and illustrates the design of the prestressed structure of the adopted system