1. Pipe Culvert, box Culvert and arch Culvert are …

2. Pipe), rectangular (i.e box Culvert) or multi-cell (e.g

3. Construction of pump house and twin box culvert at Al-Qaim

4. Precast Culvert always reduces construction time; however, when larger opening sizes are required, cast-in-situ box Culvert are preferred

5. According to the analysis of the propulsion in box culvert project, the transformation rule of the friction coefficient about the state-changeable interface is concluded.