Stressed Concrete
2026/09/10

Why Free-Length Grout Injection for Ground Anchors Is Important | Differences in Function Compared to Pressure Injection

Hello, everyone. This is Enta. When it comes to ground anchor grouting, have you ever heard that “applying pressure makes it stronger” or that “cement slurry penetrates the surrounding soil”? I used to wonder, too: wouldn’t it be better to grout all the way to the free length rather than just applying pressure at the anchorage point to minimize risk?…

Measures to Prevent Sand Blowing at Grand Anchor
2026/09/02

Measures to Prevent Sand Ejection Caused by Groundwater Pressure in Ground Anchor Construction | 4 Key Points to Avoid Failure When Drilling Double-Pipe Bores

Hello, everyone. This is Enta. A longtime friend of mine passed away the other day. When I think about it, it’s best to see the people who matter to you while they’re still healthy. Make sure you don’t have any regrets! But enough of that. Previously, I wrote about “Measures to Prevent Sand Blowing Caused by Groundwater Pressure in Anchor Construction”…

Selecting a Pressure Plate!
2026/09/01

Calculation Report for Selecting Load-Bearing Plates in Ground Anchor Construction

Hello, everyone. This is Enta. Here is the calculation sheet for selecting load-bearing plates. Please use this for design changes to load-bearing plates and similar components. I’d like to consolidate the app-related content for members, but I just don’t have the time... For now, I’ll continue to share what I can publicly until I’m able to handle it. The calculation for Zabuton Waku…

Technique for Depressurizing an Injection Hose
2026/08/27

What to Do When You Can't Inject Cement Slurry | A Simple Trick Using Just a Cutter to Prevent Injection Hose Ruptures During Rebar Installation

Hello, everyone. This is Enta. Obon has come and gone, and it seems like the heat on the job site is finally starting to ease up a bit, but it’s still a time when heatstroke is a real danger if you let your guard down. Let’s make sure to stay hydrated and get enough salt, lol. Anyway, moving on—this time, we’ll be talking about rebar insertion work and the field…

A large tree at the pour site
2026/08/25

If There Is a Large Tree at the Ground Anchor Installation Site | Root Removal and How to Install the Load-Bearing Plate

Hello, everyone. This is Enta. A large tree stump is sitting right in the way of where we need to install the ground anchors. This kind of thing happens from time to time when you’re working on a construction site. If we were installing retaining walls, one option would be to simply assemble the retaining wall directly over the tree roots and proceed with construction. But when it comes to the load-bearing plates…

Stress Management
2026/08/20

Are Exams Pointless, Honestly? Why the Maximum Load-Holding Time Is What Really Matters | The Truth About Ground Anchor Tension Management

Hello, everyone. This is Enta. Obon is over, so I imagine things are finally back to normal on the job sites. The weekend is just around the corner! Let’s keep up the good work. lol Anyway, I wrote an article a while back about stress management for ground anchor workers. Ground anchors…

How to Raise a Machine
2026/08/19

6 Ways to Lift a Drilling Rig onto a Slope | Explained from a Field Perspective: From Mobile Cranes to Cableways, Monorails, and Direct Lifting

Hello, everyone. This is Enta. Whenever I go out to a slope site for a survey, there’s always one thing that gives me a headache even before I get to the drill rig’s installation location. It’s the question of, “How am I supposed to get this thing all the way up there from the ground?” But enough of that. When it comes to ground anchor work or rebar insertion, the drill rig is parked next to the vehicle…

Reducing the Time Required for Tensile Testing
2026/08/18

How to Shorten the Time Required for Ground Anchor Qualification and Verification Tests | 4 Ways to Shorten the Process Permitted by GA Design and Construction Standards

Hello, everyone. This is Enta. Last weekend, I went to Kinkasan for the first time in a while. A few days later, my calves were totally sore, lol. It really does get rusty if you don’t keep at it… The body is honest, so that’s especially true. Let’s keep both our minds and bodies active all the time!! But anyway, moving on… A while back, I was working on ground anchor construction…

Skid-Type Drilling Rig (Teisaku)
2026/08/15

Rotary Percussion Consumables | Explaining the Service Life, Life Extension, and Repair of Cleaning Adapters and Cam Followers Using Real-World Examples

Hello, everyone. This is Enta. Obon is coming to an end, but I’m still busy with all sorts of paperwork as usual, lol. The scorching heat at this time of year really takes a toll on the body, but the machines are wearing out just as fast, lol. Anyway, moving on—this time, I’ll be talking about consumables for rotary percussion machines: “Where do they wear out…