Thanks Dick,
the reason the concrete is only to the top of the pipe is that the pipe will act as a spoon drain, after I cut some slots in the top of it. It is behind a basement retaining wall. The idea is that any ground water that meets the wall is directed down to the pipe and runs away to...
Thanks Mike,
all I can do is put some concrete blocks at set intervals to keep it down, i will try to block outlet and fill with water.
Any idea how much it will tend to lift?
Given the high viscosity of the concrete - 80 slump, I thought the uplift effect may not be significant? ie the...
Hi, I found this thread that speculated on the effective buoyancy of a vessel floating in wet freshly poured concrete:
thread167-14699
though no final conclusion.
I have setup a 4 inch pvc pipe in a trench with a specific fall which i want to maintain. Pipe is propped on bricks.
I am going...
