Salt Content Measurement
2025/05/14

Since sprayed mortar contains little moisture, here is a simple solution for when it does not absorb all the water during salt content testing (Cantab).

Hello, everyone. This is Enta. Have you ever measured the salt content with a Cantab? Experienced pros do it all the time, don’t they? This Cantab—it takes a while when used on hard-mixed mortar or concrete with low water content, like ours. That’s because there’s so little water…

Quality and Workmanship
2025/01/24

Problems Arising from the Hiring of Foreign Workers in the Construction Industry Today

Hello, everyone. This is Enta. I’ve been thinking a lot lately about the drawbacks of hiring technical interns. Our company also employs technical interns to help address the labor shortage among Japanese workers, but I’ve been reflecting on the negative consequences that result from this. To understand the reality of technical interns…

Pop-out Phenomenon
2025/01/11

How to Install Steel Sheets to Protect Mortar Around Window Frames and Other Areas from Freezing!

Hello, everyone. This is Enta. This cold snap is really something, isn’t it? How’s it going in your area? Are you all okay? Because of this cold snap, we’re looking at a slight delay on one of our projects… Well, I guess it can’t be helped. Is our work a battle against nature?…

Flow Rate
2024/12/17

What's that fixture in the flow test for?!

Hello, everyone. This is Enta. You’re probably doing flow tests, right? It’s best to do them on as level a surface as possible, but sometimes that’s just not feasible. You might end up placing various items under the legs of the flow cone to level it out. That’s when you use this. This…

Grout Plant
2024/12/16

From now on, hot water mixed with fast-setting cement is the best combination.

Hello, everyone. This is Enta. At this time of year, even if it costs a bit more, isn’t fast-setting cement just more convenient in many ways? Choosing the Right Cement and Flow Tests—I think I’ve written about this before, but cement tends to take longer to develop strength in the winter, doesn’t it? …

Zinc Coating Thickness and Adhesion
2024/09/30

A Discussion of Galvanizing Standards, Thickness, and Coating Weight

Hello, everyone. This is Enta. Last month, I visited a galvanizing plant. My former boss had changed jobs and become a director at a materials supplier, so he gave me a tour of the plant. As for the galvanized material shown in the photo above, I heard that one bundle (a tied bundle) costs about 500,000 yen!!!! Right now, galvanized…

Ground Anchors: Tension Control
2024/09/18

Movement of the Dial Gauge

Hello, everyone. It’s Enta here. Well, it’s another weekend off this week, lol. Seriously, there have been way too many long weekends this year—I can’t seem to get my work done. Are your project deadlines getting pushed back? Anyway, today I’ve got a video showing how a dial gauge moves when managing tension, lol. Some of you might be thinking, “What on earth is that?!”…

Dial Gauge
2024/09/17

How to Read a Dial Gauge

Hello, everyone. It’s Enta here. Lately, I’ve been focusing all my strength training on my legs, so I look like a little fawn now lol. Working out is tough, but if it helps my lower back, it’ll be worth it, so I’m going to stick with it for a while ^^ Anyway, moving on... You know what a dial gauge is, right? Slope contractors don’t need one...

Practice Test
2024/09/15

Reasons Why Test Mixes Fail

Hello, everyone. This is Enta. You often conduct test mixes at job sites—like those run by NEXCO or the Ministry of Land, Infrastructure, Transport and Tourism—right? You submit a mix design and then conduct tests to determine whether that mix will achieve the required strength and whether it meets the standards. There are some surprisingly common reasons why these tests tend to fail…