Hello, everyone.

This is Enta.

You haven't collected all the Drill Slime items yet, have you?

 

These samples are collected to determine whether the soil conditions at the site match those in the planned soil profile.

However, it's not even clear whether that soil is the same type.

Well, depending on the director, some say that slimes are important and that you should include them in every single episode.

However,Collected on the assumption that it is completely meaninglessPlease do so.

 

This is important information for site supervisors, so please make sure to keep it in mind.

Why isn't it useful?

I’ll write this taking into account the precautions typically noted for standard all-core drilling.

1. Drilling causes soil from various locations to mix together. (It is no longer valid as soil data.)

2. The soil components brought to the surface through drilling from within the consolidated mass undergo oxidation.

3. The color changes due to oxidation.

4. Slaking occurs due to the drilling fluid.

5. The fine particles are washed away.

6. If left untreated after collection, discoloration, mold growth, drying out, and dissolution may occur.

If we were to consider the act of extracting drilling slurry from disturbed soil to be acceptable, it would be meaningless for the reasons stated above.

 

I'm not saying it's wrong to take it.

But if the inspector sees this slime during the inspection and starts saying this and that...

This means we can't learn anything from this drilled slime now that time has passed. (The same applies even if it's preserved.)

For columnar samples, we always take photographs immediately after collection.

That means the photo was taken before the object had a chance to discolor or change due to oxidation or other factors.

That means the change is that significant.

That means there's no point in taking it before the test.

Explanatory Notes on the Guidelines for Preparing Boring Logs (Draft)

There's a bit about the scoring in the book mentioned above, lol.

I'm not an expert on this either, so I can't explain it in detail.

 

On the other hand, even if a government official or on-site technician (supervising a contracted contractor) tells you to do something, I think it’s important to ask why.

I don't think it's a good idea to just take everything and anything.

What does it mean to do something you can't explain? lol

If the construction plan specifies that drilling slurry samples are to be collected from all locations, please collect them.

However, if it isn't written down, there's no need to take it.

Since construction management is carried out in accordance with the construction plan, there is no need to do anything that isn't specified in it.

 

"The previous contractor used to do it this way," some people say. "Oh, they used to do it that way," others say.

Were all of those answers correct?

It’s possible that he was just doing things for no apparent reason and simply had some strange quirks.

Generally speaking, most of us site supervisors in the slope construction industry work alone, right?

I don't have time to collect every single slime, lol.

I imagine everyone is pretty busy during the day, even while drilling.

Personally, I think it’s best to stop doing things that don’t contribute to creativity or corporate efforts.

Am I the only one who thinks it's about time we had a clearer understanding of slime harvesting??

 

I used to be the kind of person who would take everything if asked to, so I understand exactly how you all feel.

However, after a survey technician (who also installs anchors) pointed something out to me that made sense, I started looking into it in books, and as I did...

I wonder what private investigators these days think about this?

I recommend that you all give it some thought or look into it sometime lol

 

I guess I should study soil science a little more myself, but it’s a pretty deep subject, isn’t it? lol

 

See you later.