| 是否进口：否 | 产地：衡水力能 | 牌号：123123 |
| 品名：钢波纹涵管 | 型号：AD21.2 | 货号：213 |
| 公称外径：3000mm | 材质：钢板 | 用途：公路隧道 |
| 壁厚：3mm | 结构形式：单壁波纹管 | 温度范围：120度 |
| 长度：3m | 品牌：力能 | Q235：Q345 |
areas. Can save a lot of funds, It has obvious economic benefits.
Steel corrugated Guanhan is a thin steel plate plate after pressing the corrugated, rolled into a pipe joint, which can increase the stiffness of the pipe joint and the resistance to the pressure of the pipe shaft; Before the factory, hot dip galvanizing technology and spraying asphalt on the construction site, double layer anti-corrosion treatment to ensure the service life; The culvert built with this pipe joint is called Bowengangguanhan.
In highway construction, the history of using metal corrugated culvert instead of reinforced concrete culvert construction has been more than 100 years. In 1896, the United States took the lead in the feasibility study of metal corrugated culverts and culverts. Later, in the construction of highways in the United States, Canada,
