What Is Relaxation? | Explaining How PC Steel Strands Gradually Loosen Using Rubber Bands [Anchor Basics]
Hello, everyone. This is Enta. The other day, after I wrote an article about set loss, I got a question asking, “So, what exactly is relaxation?” lol. That’s a good question, lol. If I told you, “It’s in the Design and Construction Guidelines for Ground Anchor Works!” you’d probably be like, “Whaaaat?!” lol. At our company…
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…
Wouldn't an anchorage load of about 80–90% of the design load be appropriate for ground anchor construction?
Hello, everyone. This is Enta. The other day, I was talking with the president of a company, and he asked, “Do you know how to handle customers who want to leave early?” I learned this for the first time myself, but apparently, placing a broom upright at the front door is said to bring good fortune…
Rather than improving the materials used in ground anchor construction, I think it would be better to make the jacks lighter.
Hello, everyone. This is Enta. When it comes to ground anchor construction, which anchor material do you prefer? Is it easy to work with? Are there any areas you’d like to see improved? Currently, the associations Enta is a member of (where I can purchase materials) are the KTB Association, the Kowa Industry Group, VS…
Sequence for Installing and Removing Temporary Ground Anchors
Hello, everyone. This is Enta. What happens after temporary anchors are installed? Well, since they’re temporary, they’re removed once the permanent construction work is complete. They’re removed in the reverse order of installation. In the photo, they were installed from the top down, the lower section was excavated, and temporary anchors were placed at the bottom…
Ground anchors contain a lot of plastic—is that okay??
Hello, everyone. This is Enta. The other day at the job site, we were talking about how ground anchor installers use a lot of plastic, but rebar installers sometimes have issues with the grout pipes coming loose! That’s definitely true. Well, I don’t really mind either way, so…
Tips for Speeding Up Prestressing | Anchor Installation
Hello, everyone. This is Enta. The other day, I was working on a tensioning job in freezing cold weather. And today, I’m in Gero City, where it’s even colder… Gero is famous for its hot springs, but I’m heading right back out of there lol. Man, it’s cold lol. Anyway, moving on—regarding the temporary anchors, the prestressed steel strands…
If You Sort Scrap Metal Carefully, You Can Determine Its Unit Price | Waste
Hello, everyone. This is Enta. How was your New Year’s? I think I just lazed around for about two days. Well, I did work for a few hours every day, but sticking to my usual routine really helps me stay healthy. Please take care of yourselves so you don’t get sick, too. …
Tension in Temporary Ground Anchors | Retaining Wall Anchors
Hello, everyone. This is Enta. Since the beginning of the year, I’ve been working on a plan for temporary ground anchor installation. With KTB’s temporary ground anchors, the tensioning method varies depending on the number of load-bearing elements. For example, if there are three load-bearing elements, six strands of prestressed steel wire will be used. …