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For Owners of Properties with Slopes (Stone Walls, etc.) | For the General Public
Hello, everyone. This is Enta. I wrote about the collapse incident in Nishinari, Osaka, the other day, and while I was researching various aspects of stone masonry, I found that the Ministry of Land, Infrastructure, Transport and Tourism had created a retaining wall checklist. Someone shared it on Twitter, which was a huge help. The retaining wall at my house…
6 Tips for Taking Photos When the Director Isn't Around | On-Set Production
Hello, everyone. This is Enta. Site representatives, site supervisors, and site staff are generally responsible for managing photographs. On large construction sites, or when a supervisor is juggling multiple projects, there are inevitably times when they simply cannot be present to take photos. Generally speaking, taking photos on-site is extremely important…
Is It Necessary to Get Quotes from Three Companies According to Government Regulations? | Reviewing Conventional Practices
Hello, everyone. It’s Enta here. Lately, I’ve been doing nothing but cost estimation and design... The construction sites are pretty packed too, so I’ll have to head over to the Kanto region starting next week, lol. Something I’ve been thinking about while doing cost estimation: what’s the deal with those “three-company quotes” we do as a matter of course? lol For example…
To Owners of Private Property with Stone-Piled Slopes (For Landlords)
Hello, everyone. This is Enta. Did you see the news the other day? A house collapsed in Nishinari, Osaka!! Just take a look at this. https://youtu.be/qVHS1adlG1I This video is amazing, isn't it!! It looks like construction work was being done right at the base of this slope…
Civil Engineering Contractors Protect Site Data with Cloud Services | DX
皆さんこんにちは。 エンタです。 エンタではDropBoxを駆使して社内書類等の受け渡しを行っています。 写真データも電子小黒板なので現場で撮影後自宅に帰ればwifiでDropBoxに吸い上げられます。 わざわざSDカードを抜いて~とかしな…
Interim Results of the Rebar Installer Survey and My Thoughts
Hello, everyone. This is Enta. Here are the results of the survey I conducted the other day regarding rebar insertion work. I’ll leave this up for a while longer, but please take a look at the preliminary results. For now, these are the results. In a way, this is kind of like a business…
When using a packer, the expansion rate is higher with pressure retention.
Hello, everyone. This is Enta. The other day, we conducted a packer test. The packer used this time was designed for a borehole diameter of φ135, with an expansion diameter of φ149 or greater (according to the manufacturer). For this test, we prepared three types of packers as shown above. The packers were 0.2…
Even if the flow test results don't fall within the specified range, it's okay as long as you repeat the test.
Hello, everyone. This is Enta. Are you measuring your flow rates? I’m sure you’ve often found that your results don’t fall within the specified range during these flow tests. Especially on hot summer days, lol. First, let’s start with the basics: What exactly is this flow rate measurement (flow test)?…
Cement slurry is carefully controlled using flow meters | Quality Control
Hello, everyone. This is Enta. When performing rebar insertion or ground anchor work, you inject grout, right? I imagine you sometimes use a flow meter to monitor that process. Companies like NEXCO use them quite a bit, don’t they? So, what exactly is a flow meter? As the name suggests, it measures flow rate. …



