Therefore, it is very necessary and practical to study the mechanism of dike foundationpiping and the effect of suspended cut-off wall.
因此研究管涌机理，并在此基础上研究悬挂式防渗墙对双层堤基管涌的控制效果，具有重要的现实意义。
2
Use saddles for piping to fix pipe driving nails into the foundation floor.
固定时可使用地热供暖托架在基础灰浆地板上用钉子固定。
3
Before road works starts, the underground piping works under the road foundation should have already completed and backfill should have also completed according to design requirements.