Hello, everyone.
This is Enta.
The other day, we installed a drain at the company's storage yard.
That said, all I really did was dig a hole with a rotary hammer and fill it with crushed stone, lol.
This area used to drain well, but,
It appears that the soil has compacted over time, causing poor drainage, so we installed drainage pipes.
This time, we drilled a hole about 10 meters deep and filled it with crushed stone.
After retrieving the liner, fill the casing completely with crushed stone and pack it down while striking it with the machine's hammer.
Repeat this process, and after retrieving the casing, secure it in place with an iron pin.
And that completes the drain.
Just this alone is enough for it to quickly soak up the water around it.
It works like a charm on rainy days.
For large diameters, it’s a sand-compacted crushed stone version, and it seems to be used as a support pile these days as well.
In fact, simply installing these in a few places helps prevent liquefaction and makes the area less prone to flooding.
There used to be almost no flooding, but there is now, isn't there?
That’s because the ground—due to asphalt and other materials—has become less able to absorb water.
Just by taking these measures, the water level won't rise, and the soil will absorb it.
Furthermore, it is exceptionally effective at dissipating water pressure during liquefaction.
I feel that going forward, we’ll need to start adopting these kinds of slightly unconventional construction methods (which are used in residential construction).
I suppose slope stabilization isn't the only thing we can do when it comes to disaster prevention construction, is it?
See you later.
It's a simple yet effective gravel drainage method!
That's right.
That's the small version, isn't it? ^^