When it comes to earthquake countermeasures for ground anchor construction, I feel like all we need to do is replace the caps...
Hello, everyone. This is Enta. When you’re driving on the Shin-Tomei Expressway, you come across anchors like this. The other day, I happened to be stuck in traffic due to an accident, so I took a picture of it lol. The anchor cap on top is in a pretty wild state, isn’t it? It’s even connected to the one next to it lol…
Considering the Location of the SE Ground Anchor Apartment Building
Hello, everyone. This is Enta. I received some photos from the Soil Research Institute showing ground anchors damaged during the recent Noto earthquake, and while I was looking at them to share with you all, I came across something that made me go, “Huh???” lol. Please take a look at the other photos as well. An SE with a broken bond…
The Actual Installation Location for Ground Anchor Work Is... Not What I Expected! (Part 2)
Hello, everyone. This is Enta. The actual installation location for ground anchors is... not what you’d expect! (Part 1) This is a continuation of the previous post. Do you know a method to quickly eliminate variations caused by tension? What kind of variations, you ask? Well...
We’re constantly researching and updating the standard construction methods we use on a daily basis!
Hello, everyone. This is Enta. To everyone who attended the briefing on dewatering rock bolts—thank you so much. During the Q&A and discussion session, I heard opinions I hadn’t even considered, and I’d like to use them as a reference moving forward. This includes the creation of guidelines and refining the design…
The Actual Installation Location for Ground Anchor Work Is... Not What I Expected! (Part 1)
Hello, everyone. This is Enta. Do you know the actual location of ground anchors? Huh? You’re probably thinking, “What are you talking about?” lol. As a construction manager, you measure the anchor installation location based on layout tolerances, right? But layout tolerances only apply to the final head position…
How to Remove Prestressed Steel Cables from Temporary Anchors That Won't Come Out
Hello, everyone. This is Enta. There always comes a time when you have to remove the temporary anchors after installing them (lol) (once the main construction work is complete). To pull them out, we use either a crane or a backhoe (BH). However, there are times when they still won’t come out. &nbs…
Here's the pressure used for pressurizing packers in ground anchor and rebar insertion work!
Hello, everyone. This is Enta. I’m sure you’ve all used a packer before. If you haven’t used one before, check out “How to Make a Packer for Ground Anchor Work (Part 1),” “How to Make a Packer for Ground Anchor Work (Part 2),” and “Ground Anchor…”
I attended a technical seminar hosted by VSL Japan.
Hello, everyone. This is Enta. The other day, I attended a technical training session hosted by VSL Japan, a ground anchor contractor. I generally make it a point to attend these kinds of training sessions (almost always). The reason is to learn about new technologies. Of course, going to job sites and preparing paperwork every day is also important…
How do you verify the anchorage point in ground anchor construction?
Hello, everyone. This is Enta. In a recent survey conducted at the “K&i Web Academy,” I received a suggestion asking, “How can I check the anchorage of ground anchors (other than using slime)?” I’d like to write about this topic today. …