It's a waste of time to collect Drilling Slimes.
Hello, everyone. This is Enta. The other day, I received a call from a company called Denki Hosen Co., Ltd. Denki Hosen Co., Ltd.: “We’re calling on behalf of Chubu Electric Power. May we verify the inspection number on your usage statement?” Me: “What exactly are they commissioned by Chubu Electric Power to do…
Drilling Depth and Machine Size in Ground Anchor and Rebar Insertion Work (Part 3)
Hello, everyone. This is Enta. Drilling Depth and Machine Size for Ground Anchor and Rebar Insertion Work (Part 1) Drilling Depth and Machine Size for Ground Anchor and Rebar Insertion Work (Part 2) Based on the previous article, I’ve put together a summary table. Machines…
Drilling Depth and Machine Size in Ground Anchor and Rebar Insertion Work (Part 2)
Hello, everyone. This is Enta. Drilling Depth and Machine Size for Ground Anchor and Rebar Insertion Work (Part 1) Whether a machine can be used on-site or not depends on the model you choose, right? While deciding on the construction method is important, it’s also crucial to understand the available machines. Which machines can handle the job…
Drilling Depth and Machine Size in Ground Anchor and Rebar Insertion Work (Part 1)
Hello, everyone. This is Enta. How do you go about selecting a core drill? In our case—though I imagine most contractors do it similarly—this is just a general guideline. *This excludes special drilling methods. Drilling diameter: φ65 (no scaffolding required). Drilling depth…
The Purpose of a Zabuton Frame | Leveling and Transmitting Anchor Force to the Subgrade
Hello, everyone. It’s Enta here. It’s gradually getting colder, but then it gets hot again lol. Are you all taking good care of yourselves? Let’s get plenty of sleep and stay in good shape! But anyway… You know what this is, right? That’s right! It’s the zabuton frame. So, about this zabuton frame…
Ground Anchor Construction Has Entered the Era of Maintenance and Management | The Importance of Inspecting Existing Structures
Hello, everyone. This is Enta. The other day, I received the study materials for renewing my Ground Anchor Installer certification. Since there are no in-person training sessions right now due to COVID-19, I’ll be studying at home. I’m sure other industries and certifications have adopted similar systems as well. …
If the ground doesn't have sufficient bearing capacity, the load will be transferred elsewhere.
Hello, everyone. This is Enta. How did the typhoon treat you? There’s been damage in various areas, but since the ground is still unstable, let’s be extra careful as we work. But anyway, if the ground doesn’t have enough bearing capacity… You hear people talk about “ground bearing capacity” a lot on job sites, right? Like, “It’s sinking because the ground doesn’t have enough bearing capacity”…
When I cut out the box from the void in the sprayed-on frame, the inside was completely empty!
Hello, everyone. This is Enta. I’ve been working on a rebar insertion project for the past few days—do you know what “pre-drilling” is? It’s the process of drilling holes in advance to make it easier to drill during rebar insertion or ground anchor installation. It varies depending on the site, but as shown in the photo above…
Since the nominal diameter differs so much from the actual size, quite a few people are under the wrong impression.
Hello, everyone. This is Enta. I’m sure you’re familiar with the term “nominal diameter,” but it’s actually quite different from what design consultants tend to think it is. Nominal Diameter: You often see borehole diameters like 90, 115, or 135 listed in design documents and drawings, right? And for cement slurry…