浅谈某大厦预应力混凝土板预应力筋改造工程

介绍了北京某大厦工程预应力混凝土板预应力筋改造工程的施工准备和施工流程，重点阐述了七个施工关键步骤中对洞口周边混凝土、需处理的预应力筋的处理措施，从而达到了满足原设计要求的目的，保证了预应力混凝土板的施工质量安全。

On the reform project of pre-cast bars of pre-cast concrete board of an edifice

It introduces the preparatory work and construction process of the reform project of pre-cast bars of pre-cast concrete board of an edifice in Beijing,makes an emphasis on the illustration of the processing measures of the concrete surrounding cave mouth and the pre-cast bars needing to process in the seven key procedures,so as to achieve the aim of satisfying the original design and guarantee the construction quality safety of pre-cast concrete board.