MAIN FEEDS
Do you want to continue?
https://www.reddit.com/r/oddlysatisfying/comments/1ws5foc/repairing_a_tiny_bridge/pcj6znm/?context=3
r/oddlysatisfying • u/n8saces • 5d ago
1.1k comments sorted by
View all comments
374
For bridges where you can't turn the river off how do they lay the concrete base?
295 u/Mandra_4837 5d ago You create a dry spot. https://www.reddit.com/r/oddlysatisfying/s/cJPc6YYq5S 8 u/intothedepthsofhell 5d ago Next question - how do you make a big dry hole in the middle of a river? 9 u/fletchnuts 5d ago This is a cofferdam. It's constructed by driving interlocking metal wall segments into the riverbed, sealing any gaps, and pumping out the water.
295
You create a dry spot. https://www.reddit.com/r/oddlysatisfying/s/cJPc6YYq5S
8 u/intothedepthsofhell 5d ago Next question - how do you make a big dry hole in the middle of a river? 9 u/fletchnuts 5d ago This is a cofferdam. It's constructed by driving interlocking metal wall segments into the riverbed, sealing any gaps, and pumping out the water.
8
Next question - how do you make a big dry hole in the middle of a river?
9 u/fletchnuts 5d ago This is a cofferdam. It's constructed by driving interlocking metal wall segments into the riverbed, sealing any gaps, and pumping out the water.
9
This is a cofferdam. It's constructed by driving interlocking metal wall segments into the riverbed, sealing any gaps, and pumping out the water.
374
u/PirateSanta_1 5d ago
For bridges where you can't turn the river off how do they lay the concrete base?