What Is the Pinning Effect (Root-Peg Effect) in Reinforcement Bar Installation? | Understanding Movable and Immovable Soil Masses and Design Concepts—Even for Beginners
Hello, everyone. It’s Enta here. Today marks the end of September. Before we know it, it’ll be the end of the year!!! The year has flown by in the blink of an eye… It’s fast! Way too fast!!! It really feels like a split second, doesn’t it? I feel like I say the same thing every year around this time lol. I’m well on my way to becoming a grumpy old person… lol. Anyway, moving on… This time…
Determine the Pitch for Rebar Placement Using "Projection" | How to Determine Placement Locations Without Hesitation, Even on Steep Slopes
Hello, everyone. This is Enta. Maybe it’s because of the typhoon, but lately it’s been raining on and off, and it’s sooo humid… I’m breaking out in weird sweats lol. Is it because I’m an old guy!? Anyway, I thought I’d write about something I’m often asked regarding the spacing for rebar insertion. It’s about spacing. Well…
Why Do Reinforcement Installers (Rock Bolt Installers) End Up Exposed When a Structure Collapses? | Adhesive Failure Observed in Self-Drilling Rock Bolts Along a Riverbank
Hello, everyone. This is Enta. The rain has really become quite extreme lately, hasn't it? It pours down in a short burst and then clears up right away. It feels like a dam release—it hits you with a bang just when you've forgotten about it. In an era where predicting the arrival of a linear precipitation zone is so crucial... But enough of that. "...
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…
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…
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…
What Should You Do If You Encounter a Spot Where Concrete Cannot Be Placed Using Reinforcement Insertion? | Site Supervisor’s Response Procedure and Criteria for Selecting Self-Drilling Rock Bolts
Hello, everyone. This is Enta. The Obon holiday ends today, doesn’t it? Did you get a chance to recharge? We’re now in the second half of summer! Let’s hang in there until fall! But anyway, when you’re out on job sites, there are always spots where things don’t go exactly according to the blueprints, right? Especially when it comes to measures for steep slopes…
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…
What Is "Over-Drilling" in Core Drilling? | Learning About Core Drilling Length from a Site Where Reinforcing Bars Couldn't Be Inserted Due to Slime
Hello, everyone. This is Enta. Someone asked me, “Why are you drilling 3.1 meters when the design calls for 3 meters?” That’s a good question. I used to wonder the same thing myself, lol. But anyway, today I’d like to talk about “over-drilling” during the drilling process. When drilling for rebar installation (rock bolt installation) or anchor installation…