针对目前生产的楼板比较笨重、上房较为困难和农村建房往往不具备起吊设备的实际情况,我们研制了一种重量轻、价格低的农用轻型预应力混凝土多孔板。现第一批产品已上房使用,据反映和调查,使用情况良好,现简介如下。一、设计技术数据混凝土为300号,预应力钢丝的设计强 In view of the fact that the floor slabs currently produced are relatively heavy and difficult to reach houses, and rural construction houses often do not have the actual situation of lifting equipment, we have developed a light weight, low-cost, agricultural light prestressed concrete perforated plate. Now the first batch of products has been used in the upper house. According to the report and survey, the use situation is good. The brief introduction is as follows. First, the design technology data for the 300 concrete, prestressed steel wire design strong