Just don't add water!
Hello, everyone. This is Enta. When you’ve mixed a few batches of grout, the grout left in the mixer tends to get pretty hard, right? What do you do in that case? This video shows what happens when you add something to that hardened grout! At first, it’s all clumpy…
Field Notes on Ground Anchor Construction, Part 1 (Soil Cover)
Hello, everyone. This is Enta. The other day, a general contractor asked me, “How much soil cover is considered problematic for ground anchors?” I thought it was 3 meters, if I remember correctly… but when I looked it up, it turned out to be 5 meters. I really tend to forget things these days. Design and construction of ground anchor works…
What's the best part of drilling operations?
Hello, everyone. This is Enta. We’re drilling using drill bits, right? Here’s what a brand-new one looks like. It’s a standard ring bit. We want to use this for as long as possible, but we also want to drill as quickly as possible. So we tend to apply quite a bit of pressure while drilling…
Using different bits makes a huge difference in drilling speed (hand drilling)
Hello, everyone. This is Enta. What kind of bits do you use when operating a rock drill? Well, if you think about it, it’s usually either a cross bit or a carbide bit (flat), right? Cross bits are the most common. Another common type is the carbide bit. …
The Real Reason It Comes Out From the Outside of the Casing After Pressure Injection!
Hello, everyone. This is Enta. Are you doing pressure grouting? Well, I’ve always said that pressure grouting isn’t all that effective, but since the topic of “Why does it come out of the mouth?” came up, I thought I’d write about it. Drill the holes as usual, and for ground anchors or…
Timing of Packer Injection
Hello, everyone. This is Enta. In ground anchor construction, we inject cement slurry into areas riddled with cracks (joints). But it just leaks out like crazy, so no matter how much slurry we have (I’ll just call it “slurry” from now on), it’s never enough lol. That’s where the packer comes in…
Drilling through clay and silt is very difficult.
Hello, everyone. This is Enta. Something new is starting again tomorrow! Stay tuned^^ Anyway, when I’m installing temporary anchors, I always get stuck in that sandy silt lol. Plus, it’s packed pretty tightly, so when I hit it with a hammer, the tip gets clogged. The most…
Using jigs designed specifically for construction management makes it easier to explain the process and helps me gain a deeper understanding of it myself.
Hello, everyone. This is Enta. When it comes to measuring placement errors in rebar installation, bolt scales have become the standard. Sometimes older supervisors joke, “Thanks to this thing, we have to keep track of everything now,” lol. I understand how they feel, but then what about before…
Found a Great Product! (The Futuristic Appeal of Ground Anchor Construction)
Hello, everyone. This is Enta. I just wrapped up a project the other day. It was my first time seeing this, too. This is great. It’s really great!!! That’s right!! This one!!!! It really has a futuristic feel to it, doesn’t it? It’s so beautiful and easy to understand. The fact that it’s oil-free is another plus…