沈蒲生  舒兴平  许君期
    （湖南大学土木工程学院 长沙 410082）

[提要]  作者近几年来完成了19块冷轧带肋钢筋预应力混凝土空心板的试验，对混凝土拉应力限制系数进行了研究。介绍了这些试验及研究结果，给出了冷轧带肋钢筋预应力混凝土空心板中混凝土拉应力限制系数的建议值。
[关键词]  冷轧带肋钢筋 预应力  空心板 拉应力限制系数 研究

Authors have tested nineteen prestressed hollow-core slabs reinforced with cold-rolled ribbed steel wires and bars. Restrictive coefficient of tensioristress in concrete was studied. Results of the test and theoretical researches are introduced and the values of restrictive coefficient of tension stress in concrete for design of the slabs are suggested.
Keywords:  cold-rolled ribbed steel wires and bars; prestress; hollow-core slab; restrictive coefficient of tension stress in concrete; research