Bit Wear
2021/06/02

Bit Hardness Varies | Choose the Right One for the Mountain

Hello, everyone. This is Enta. This is a bit for a down-the-hole hammer. It’s a bit with a drilling diameter of about 110 mm, and I’ve used it to drill about 60 holes since it was brand new. And this is what it looks like now, lol. Here’s a side view. The main body is already worn down. I wonder if the cutting edges are worn out…

Counterfeit
2021/06/01

The Rampant Forgery of Site Access Cards and CCUS | Challenges

Hello, everyone. It’s Enta here. I’ve been driving around since the other day—I went from Nagano to Yamanashi and back, so it feels like I’ve gone all the way around Nagano. My back is killing me! As soon as I get back, I’m heading straight to my regular chiropractor lol. Anyway, I heard from someone the other day that at a certain job site, when you enter the site, you have to show your ID card…

KTB Head Cap
2021/05/31

Head Processing Is the Same for Both People and Anchors | Carefully

Hello, everyone. This is Enta. The other day, I saw an anchor like this at a job site. Isn’t this amazing!? lol It’s a temporary anchor, but it looks like it’s been there for ages, doesn’t it? I don’t think it’s actually that old, though. Plus, it’s all battered up by the backhoe…

"God of Construction" Logo
2021/05/30

"The Lost Art of Terror": A riveter (the god of construction) who throws a 1,000°C lump of iron and catches it

Riveters: Rivets are used in the on-site joints of most bridges and steel piers in the first phase of construction of the Metropolitan Expressway. The workers who set these rivets are called “riveters.” With terms like “Work-Style Reform” and “i-Construction” being discussed…

"God of Construction" Logo
2021/05/29

Before the Tokyo Olympics in the Showa era, construction sites were home to “kashime-ya”—craftsmen whose work carried the risk of death (the gods of construction).

The Rivet Maker and “Tokyo Olympics Ondo” The second Tokyo Olympic and Paralympic Games will be held in 2021. The last Olympics were held in Showa 39 (1964). The song “Tokyo Olympics Ondo,” sung by the late Haruo Sanba, still lingers in the back of my mind. Let me think back…

Ground Anchor Construction
2021/05/28

What to Do When a Ground Anchor Comes Loose (Part 3)

Hello, everyone. This is Enta. In this post, I’ll explain what to do if a ground anchor comes loose during tension work. Let’s say a ground anchor comes loose during tension work. Technically speaking, this is referred to as “adhesion failure.” Depending on which part of the anchor has lost its adhesion…

Experience and Ingenuity
2021/05/27

No matter how challenging the job site, you can handle it with a little ingenuity | Creativity

Hello, everyone. This is Enta. The other day, I received a photo like this from one of our job sites! They’re drilling right through a tree, lol. This is a real challenge in every aspect—from setting up the equipment to the drilling itself, isn’t it? I’m sure you’ve all encountered situations like this at your own job sites. At times like this…

Seed Sprayer
2021/05/26

Results of Playing My Homemade Mini Seeder | Test

皆さんこんにちは。 エンタです。 施工しました! 昨日。 結論だけを言うとポンプがダメでしたwww 使用したポンプはこれです。 最初しばらくは良いのですが、吸い込みが詰まりやすいですね。 元々清水用なのでしょうがないと言えばしょうがないので…

Here you go
2021/05/25

Question Box Now Live | Engaging with Readers

Hello, everyone. This is Enta. Did you notice? The site has changed a little. It’s in the top right corner when viewed on a computer, and at the bottom when viewed on a smartphone. I’ve set up a Q&A section! I’ve made it so anyone can ask a question, and anyone can answer. …