Various Drilling Methods for Slope Drilling
Hello, everyone. It’s Enta here. Today, I’m heading to Akita to run some errands. By car… It really is a long drive, isn’t it? My butt feels like it’s going to fall off lol. Anyway, moving on—this post is about drilling methods. It’s an older article, but since it’s so popular, I’m reposting it here lol. &nbs…
The Foreign Trainee Program and Senior Engineers | Passing on Knowledge in the Age of AI
Hello, everyone. This is Enta. It’s Safety Awareness Month, and as expected, I’ve been meeting and talking with all sorts of people—it’s really educational. I’ve started being able to listen to what older people have to say, both the good and the bad (lol). When I was younger, I used to think they were annoying or a pain…
The Cement Slurry Won't Stop (Part 4) | Materials for Making Packers
Hello, everyone. This is Enta. The Cement Milk Won’t Stop (Part 1) The Cement Milk Won’t Stop (Part 2) The Cement Milk Won’t Stop (Part 3) Materials for Making a Packer Packer, Span Seal, paper tape, Insulo…
Conversations with Professional Experts Are a Treasure Trove | A Dialogue Between Chubu Electric Power and a Slope Stabilization Specialist
Hello, everyone. It’s Enta here. June is a month full of all kinds of general meetings and drinking parties. Everyone, before you start drinking, take a shot of Solmac Sakinomi—it really works! I always drink this before heading out (since I have a weak stomach, lol). Surprisingly, it helps me avoid getting too drunk. Well, just be careful not to overdo it…
Cement Slurry Won't Stop (Part 3) | Comparison of Packer Types
Hello, everyone. This is Enta. Next week, our projects are overlapping in a way that’s impossible to manage, so we’ve decided to put one of them on hold... Things were looking like they’d run smoothly, but one project fell behind and another got moved up, so we couldn’t work it out... orz Sorry for the inconvenience. The project with the 300 legal limit is also...
The Cement Slurry Won't Stop (Part 2) | Plugging the Hole with a Packer
Hello, everyone. This is Enta. What should you do if the grout won’t rise? Based on the diagram from last time, you just need to seal holes 1 and 2. (In reality, you don’t know exactly where the holes or cracks are. It’s easier to find out if you insert a fiberscope.) That…
The Cement Slurry Won't Stop (Part 1) | What Is a Packer?
Hello, everyone. It’s Enta. I’ve been swamped with work ever since Golden Week ended. Finally! I’m so happy! All the machinery in the warehouse is going to be removed. Once that happens, I’ll feel a little relieved… The fear of having no work, lol. That’s the tricky part about public works projects, isn’t it?…
The Proper Use of Cement | Along with the Issue of Major Companies Forcing Through Their Unit Prices
Hello, everyone. This is Enta. The other day, I was talking with the president of a company. His company mainly works as a subcontractor for a major corporation. His concern was that the major corporation was being extremely pushy about unit prices. First of all, he said his quotes never get approved. And then, the unit prices are set at a fixed rate…
Does the Drilling Depth Vary with Leveling Mortar? | Actual Measurement of 500 mm for Formwork 300
Hello, everyone. This is Enta. Does the drilling length for rock bolts vary? The drilling length for rock bolts is 3.0 m. For example, for a 300□ retaining frame, the length of the tie rod would be: protrusion + retaining frame thickness + drilling length = 0.1 m + 0.3 m + 3.0 m = 3.4 m. What about this?  …