Rainwaterpipe through the walls and floor in accordance with the requirements set casing.
雨水管穿过墙壁和楼板按要求设置套管。
2
Buried depth of rainwaterpipe should be buried in the frozen line, consideration should be given to the upper part of the load pipeline.
埋地雨水管的埋没深度应在冰冻线以下,应考虑管线上部的荷载。
3
The two-phase optimization theory was adopted for designing the sewage pipe, and the ground slope consensus method was used for optimization calculation of rainwaterpipe.