Is it really necessary to attach a dial gauge to the compression plate in ground anchor construction? An explanation from a veteran’s perspective for beginners lol
Hello, everyone. This is Enta. When you’re tensioning ground anchors, you attach a dial gauge or digital meter to the jack side, right? That’s to measure the elongation of the prestressed steel strands. It’s not enough to just check the tension load—you need to verify both the load and the elongation. For beginners…
Weather Resistance of Polyethylene and Carbon Black | What Does the Future Hold for Leveling Mats!?
Hello, everyone. This is Enta. Not many people can really explain the weather resistance of those leveling mats that go under the load-bearing plates in ground anchor construction, right? lol That’s because nobody’s interested, lol (it’s the kind of thing manufacturers just mention in passing). “Well, it’s PE (polyethylene), so…”
No Oil Allowed at Water Treatment Plants!? A Story from a Site Where the Anti-Rust Oil Used to Treat Ground Anchor Heads Was Switched to a Biodegradable Alternative
Hello, everyone. This is Enta. When you’re working on ground anchors or inserting rebar, you put rust-preventive oil inside the caps, right? That’s actually a petroleum product (mineral oil). Well, I’m sure you already know that, lol. It is made from naturally derived raw materials, but if it leaks into the soil or water, it doesn’t really break down…
Water came out of the PC steel strand!!! What should I do in a situation like this!? (Part 2)
Hello, everyone. This is Enta. Water came out of the PC strand!!! What should you do in a situation like this!? (Part 1) This is a continuation from last time. For some reason, water started coming out of the head of a ground anchor. The most likely causes are probably something happening nearby, a change in the water table, or an earthquake…
Water came out of the PC steel strand!!! What should I do in a situation like this!? (Part 1)
Hello, everyone. This is Enta. When installing ground anchors, water sometimes comes out of the head, right? From between the PC strands, lol. You’d think, “It’s surrounded by grout, so there’s no way water could get in, right!?” Of course, manufacturers use epoxy to prevent water from getting in…
What is the pressure condition at the fixation site during injection? (Is pressurization necessary?)
Hello, everyone. This is Enta. Since my last post, I’ve been writing about packer pressure. I Tried Measuring the Limit of Packer Pressure! I Tried Measuring the Limit of Packer Pressure! (Part 2) I Tried Measuring the Limit of Packer Pressure! (Part 3) Packer pressure…
I Tried Measuring the Limits of Packer Pressurization! (Part 5) Simulator
Hello, everyone. This is Enta. I tried measuring the limit of packer pressure! I tried measuring the limit of packer pressure! (Part 2) I tried measuring the limit of packer pressure! (Part 3) I tried measuring the limit of packer pressure! (Part 4) Continuing from last time…
I Tried Measuring the Limits of Packer Pressurization! (Part 4)
Hello, everyone. This is Enta. This is a continuation of my previous post. I Tried Measuring the Limit of Packer Pressure! I Tried Measuring the Limit of Packer Pressure! (Part 2) I Tried Measuring the Limit of Packer Pressure! (Part 3) Injecting while watching the gauge. What’s happening with the packer? …
I Tried Measuring the Limits of Packer Pressurization! (Part 3)
Hello, everyone. This is Enta. I tried measuring the pressure limit of a packer! I tried measuring the pressure limit of a packer! (Part 2) Last time, I wrote that you absolutely must not apply more than 0.5 MPa to a packer. The hose will burst, and the packer’s mesh will stretch, causing…