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Treating Ground Anchor Heads When Groundwater Levels Are High | Preventing Rust with Caulking
Hello, everyone. This is Enta. The other day, an acquaintance complained to me, saying, “The job postings for slope stabilization and anchor work are described in great detail, but I can’t seem to get any construction management positions!” Of course, this person is a construction manager. I bet they said it with a face like this lol …
When Installing Rebar, Should It Be Perpendicular to the Slope or at a Specified Angle!? (Part 2)
Hello, everyone. This is Enta. When installing rebar, should the drilling angle be perpendicular to the slope or at a specified angle!? (Part 1) This is a continuation of the previous post. When drilling into highly undulating natural ground, if the drilling angle is perpendicular to the slope, the holes may intersect. Even if they intersect vertically, horizontally there is some…
When Installing Rebar, Should It Be Perpendicular to the Slope or at a Specified Angle!? (Part 1)
Hello, everyone. This is Enta. Today we have interviews for Vietnamese technical interns. Chan, who is currently a technical intern, is also serving as an interviewer ^^ I’m looking forward to it for many reasons. But anyway, which angle is better for rebar insertion in formwork, sprayed mortar, and sprayed concrete? &nb…
Methods for Lifting a Drilling Rig onto a Slope (Part 6)
Hello, everyone. This is Enta. How to Lift a Drilling Rig onto a Slope (Part 1) How to Lift a Drilling Rig onto a Slope (Part 2) How to Lift a Drilling Rig onto a Slope (Part 3) How to Lift a Drilling Rig onto a Slope (Part 4) How to Lift a Drilling Rig onto a Slope (Part 5…
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…
Do you know how long the rust-preventive oil inside the cap used for head treatment lasts?
Hello, everyone. This is Enta. Just like the other day, I’d like to ramble a bit about something that made me go, “Huh?” when I attended a study session. As public works contractors, we use materials manufactured by suppliers specifically for public projects in our construction work. To put it simply, the structures we build generally last about 50 years…



