在毛主席革命路线指引下,我省因地制宜,土法上马,推广中小预应力构件,取得了很大的成绩。几年来,预应力构件的产量逐步上升,生产工艺逐步革新,不但城市的预制厂大量生产,县城也普遍推广,有一些公社的水泥制品厂也生产了低碳冷拔钢丝预应力混凝土构件。鉴于低碳冷拔钢丝质量波动较大,各地 Under the guidance of Chairman Mao’s revolutionary line, our province has adapted to local conditions, launched the indigenous method, and promoted small and medium-sized prestressed components, and achieved great results. Over the past few years, the production of prestressed components has gradually increased, and the production process has been gradually reforming. Not only the prefabrication factories in the city have mass production, but also the county towns have generally promoted it. Some communal cement products plants have also produced low-carbon, cold drawn steel wire prestressed concrete components. In view of the large fluctuations in the quality of low-carbon cold drawn steel wire,