Options
2020/01/30

Pressure Injection is Optional | Grouting Services

Hello, everyone. This is Enta. Do you have any standards (in your own mind) for the pressure applied during ground anchor installation? Roughly speaking, what level of grout pressure do you think is appropriate? Basically, a pressure of around 0.2 MPa is sufficient, but if you can increase the pressure beyond that…

Spot the Construction Mistake
2020/01/23

Mistakes on Digital Whiteboards | Things to Watch Out for in the Digital Age

Hello, everyone. This is Enta. Just a quick note about our company—a major mistake happened on our digital whiteboard. This is probably the kind of mistake that’s bound to happen again in the future. Here it is. Well, it’s kind of funny the moment you see it, but… There’s no such exam, right!? lol. So random…

Great Stuff
2020/01/21

How to Make a Hose Clamp | DIY Techniques

Hello, everyone. This is Enta. Here’s how to make a hose clamp, which a lot of you have been asking for lol. It’s actually really simple to make, but you’ll need to get the largest pair of vise pliers you can find. Top (TOP) Vise Pliers VP-250. And the cheapest pair…

Organizing Documents
2020/01/20

Unique Documents Created Through Attention to Detail | Construction Management

Hello, everyone. This is Enta. I tried creating an Excel spreadsheet to calculate the load on the load-bearing elements of temporary ground anchors for KTB Ground Anchor Works. Actually, there used to be a tension plan attached here, but I deleted it for now since I wasn’t sure if there was any demand for it lol. Protection and…

Tips for Temporary Anchors
2020/01/07

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. …

Removable Anchor
2019/12/26

Removal Limits for Removable Anchors | Retrievable Range

Hello, everyone. This is Enta. The local government asked me, “When it comes to removable temporary ground anchors, does ‘removable’ mean they can all be removed?” So I’m putting together some documents on that, lol. Here’s the basic structure of a temporary anchor: Load-bearing element, cable ties, polyethylene pipe (coating for PC steel strands), Po…

Steel Base
2019/12/20

Guidelines for Project Management of Temporary Ground Anchor Work (Retaining Wall Anchors)

Hello, everyone. This is Enta. I’m at a job site where we’re installing temporary anchors for the third time. We’ve been doing a lot of temporary anchor work lately. That’s right. Since we’ve recently started taking on urban civil engineering projects, the number of times we’ve been called in has gone up, lol. We have three temporary anchor projects lined up by next year. (Including those currently in progress…)

Change yourself...
2019/12/18

Changes in Soil Conditions Are the Most Frightening | The Reality of Drilling

Hello, everyone. This is Enta. When designing based on a columnar diagram, we consider where exactly within which stratum to anchor the structure. Naturally, cost-effectiveness is the top priority. However, there are quite a few cases where the actual strata turn out to be completely different from what was expected. This is especially true for clay-based strata. As for the design…

Gauge Protector
2019/12/17

This Gauge Protector Is Convenient and Affordable | Protecting Measuring Instruments

Hello, everyone. This is Enta. Every time I add a new machine or pressure valve, I end up with more of these lol. They’re gauge protectors. The reason I use them is that they’re cheap lol. And they’re just so convenient. Surprisingly, these are consumables, so the rubber inside…