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本文通过多项工程实例讨论了一种新型钢筋混凝土空腹式楼 (屋 )盖结构体系——钢筋混凝土空腹夹层板柱结构体系在大跨度 (18～ 24m)单层与多层建筑结构中应用时的“经济合理跨度”，并与钢筋混凝土密肋井字楼 (屋 )盖进行对比分析，说明其良好的技术经济指标和建筑功能。并讨论了预应力混凝土空腹夹层板柱结构体系在大跨度 (18～ 36m)建筑结构中应用时的“经济合理跨度”及其结构性能，以利推广应用。
In this paper, a new type of reinforced abdomen floor structure system is discussed through a number of engineering examples. When the reinforced concrete sandwich panel structure system is used in large-span (18 ~ 24m) monolayer and multi-storey buildings Of the “economic reasonable span”, and with the reinforced concrete mound well floor (housing) cover comparative analysis, indicating its good technical and economic indicators and building functions. The economical and reasonable span of prestressed concrete slab sandwich plate column system and its structural performance in large-span (18 ~ 36m) building structure are discussed in order to promote its application.