6 weeks is an Industry Standard. Weather and amount of separate Inspections matters most. I've done it in 10 days, but the avg is 6weeks.
how long did it take to build the in- pool
ground
Yes. Ron Lacher Pool Engineering in southern California probably has an engineering detail showing how to build it.
They used concrete.
Use concrete to build a nice archway.
The volume of concrete used to build the Millau bridge is 85,000 m3 (cubic meters). The weight of this volume of concrete is 206,000 metric tons.
concrete
No one knows the exact amount of concrete used to build I-90. However, it did cost 1 billion dollars to build.
Want to replace an existing subsided external concrete step.
No, the Greeks were using bricks to build. It was the Romans that later on discovered the concrete.
Use materials other than concrete.
I would like to build a new patio with concrete pavers. Where can I find them at?
Build a small concrete "base" to put the columns on that will bring the columns up to the right hight. One foot square base should suffice, with a column baseplate.
about 6600000 tons of concrete!! natal