我处浦口基地从1978年11月至1980年8月为淮南桥制造跨度31.7米公路预应力梁240片。其中有少数梁片在桥面部分出现裂纹,个别的裂纹还较严重。裂纹长度一般在0.2～0.8米范围内,裂纹宽度大部分在0.1～0.2毫米之间,最宽处达0.8毫米。为了使这批梁能顺利架设于淮南桥,对于已出现裂纹的梁片一定要进行修补处理, I Pukou base from November 1978 to August 1980 for the Huainan bridge manufacturing span of 31.7 meters of prestressed 240 highway beam. Among them, a few beams were cracked on the bridge deck, and some cracks were more severe. Crack length is generally in the range of 0.2 ~ 0.8 meters, most of the crack width between 0.1 ~ 0.2 mm, the widest point of 0.8 mm. In order to make these beams can be successfully set up in Huainan Bridge, cracks have been made for the beam must be repaired,