摘要
本文介绍了三块钢筋混凝土连续叠合板的试验研究结果。这种叠合板是在预制普通混凝土板上现浇混凝土制成的.试验结果表明,对新、旧混凝土的界面采用拉毛处理之后,界面具有足够的抗剪强度,板不会由此产生破坏.所以,这种板完全可以依照普通钢筋混凝土板进行设计.并具有较好的工作性能以及足够的强度和延性.本文在讨论分析试验结果的基础上,提出了此类板的实用支座弯矩调幅系数.
The main experimental results of three two-span continuous reinforced combined slabs, formed by placing a layer of post-placed concrete on the common precast concrete slabs, were reported in the paper. Test results showed-that, if the interface of concrete was made to be man- made rough, the interface could have adquate shear resistance and the combined slabs couldn't be damaged from there, the slab could be designed by referring to the common reinforced concrete slabs. It also shown that this type of slab had well behavior in srevice and its properties were well in flexural strength and in ductility. A flexural moment adjusting coeficient to be fitting for this slabs in practical use was discussed in detail and suggested, on the basis of experimental research.
