Concrete or Mortar for Slope Construction? (Part 2)
Hello, everyone. This is Enta. Concrete or Mortar for Slope Construction? (Part 1) In this post, I’ll discuss why concrete isn’t used for slope formwork. Let’s review the mix designs. Item Mortar Concrete Main Materials…
Concrete or Mortar for Slope Construction? (Part 1)
Hello, everyone. This is Enta. Are you doing any spray work? lol Concrete vs. Mortar In this post, I’ll be talking about sprayed concrete and sprayed mortar. I’m sure you already know the difference between mortar and concrete, but let’s go over it again. Item Mortar Concrete …
You can't just cut corners when it comes to legal loopholes!!
Hello, everyone. It’s Enta here. I’ve been working on concrete projects lately, so I’m super sensitive to the weather lol. “Will we be able to pour the concrete!?” “If we can’t pour it here, the schedule will be in trouble…” I’m thinking all this while I’m doing paperwork at the office lol. Anyway, the other day at a job site, there was one thing that was just a disaster…
A Few Tips for Measuring Salt Content
Hello, everyone. This is Enta. I wrote about Cantab the other day, but here’s a bit more about it for beginners lol. Well, I’m sure the veterans already know most of this. It’s the kind of stuff that’ll have veterans nodding along. When measuring Cantab and organizing documents…
Construction Methods for Static Crushing (Part 2)
Hello, everyone. This is Enta. Here’s the continuation of our series on static breaking. Construction Methods for Static Breaking (Part 1) First, mark the area to be broken. How do you want to break it? What are you breaking? These are the questions, but the most important thing is: what are you breaking? According to the manufacturer’s spec…
No matter who the recipient is, design your documents so they’re easy to understand at a glance!
Hello, everyone. This is Enta. I was putting together a comparison chart of concrete and mortar mix proportions for some materials I’m preparing in Africa. The reason is that I just couldn’t seem to explain “lean-mix mortar”—lol. It turns out that even if I can express it in Japanese, it’s a different story when it comes to English. And when it comes to developing countries…
Recommendations for Underwater Curing | Curing Methods for Core Test Specimens Based on JIS A1108
Hello, everyone. This is Enta. It’s really cold out today, isn’t it! Quality control gets tough when it’s this cold, doesn’t it? I wish this cold snap would end soon, but February hasn’t even arrived yet lol. The real challenge is just beginning! Let’s be careful out there ^^ Anyway, moving on… JIS A1108 core testing…
If you're doing cement-based construction work, you should conduct strength tests whenever possible to ensure quality! (For the general public)
Hello, everyone. This is Enta. For public works contractors, conducting compressive strength tests on concrete is standard practice. Furthermore, in our case as public works contractors, when we have private JIS-certified factories perform these tests, government officials are generally present. Well, depending on the situation, this requirement may be waived if a site representative or quality control officer is present…
This Year, I'm Finally Going to Experiment with Antifreeze | Decision Article
Hello, everyone. This is Enta. It’s still that nice time of year when it’s just warm enough to break a light sweat—perfect for working. It’s a great season! And soon, it’ll start getting much colder, won’t it? Every time it gets cold, I say, “This year, I’m definitely going to try this experiment!”—and yet, here we are, already in the third year…