Hello, everyone.
This is Enta.
最近ブログの読者の方とお会いすることが多く、非常にうれしく思っています。
楽しみにしているというプレッシャーを掛けられつつｗ法面の話は非常に楽しいです^^
今後も出来る限り皆さんに有益な現場のコツをお伝えできればと思っております。
よろしくお願いいたします^^
But that's beside the point.
5. Head Processing Technician
This mistake is something you can't really tell unless you look at it from a long-term perspective, but,
Rust on the Anchor HeadThat's it.
実施工では緊張後アンカーヘッドにグリスを塗る行為って意外に行っていません。
Generally, you apply grease to the head cap and close the lid.
I think that's it.
This cap is a KTB, but there is grease inside the inner cap.
You're wearing this just as it is, right?
それじゃダメなんです。
Normally, you'd think that's the end of it, right?
But with this setup, it still rusts.
I’ve written about this topic once before, but for now, when it comes to ground anchor construction, from a long-term perspective,
頭部処理が超キモなので超重要です。
大事な事は2回言うってやつです^^
Once the tension has subsided, apply rust-preventive oil as soon as possible.
Something like this.
As early as possibleBlocks out water and oxygen, which cause rustPlease do so.
そして、PC鋼線を切断後に切断部分もすぐに錆びますのでエポキシ塗料を塗るか、
防錆油を塗って下さい。
This is the final installment in our series on common mistakes made during ground anchor installation.
それ以外にもある様な気もしますが、やはりポイントはグラウトと頭部処理ですね。
I recommend proceeding with the utmost caution in that regard.
See you later.
The Moment the Anchor Breaks Free!
What to Do When Cement Slurry Is Too Thick (Part 1)
Using "Plus" for grout replacement makes it less prone to staining.
Where is the mistake in the ground anchor installation?
Where Is the Construction Error in the Ground Anchor Work? (Part 2)
Where Is the Construction Error in the Ground Anchor Work? (Part 3)
It turns out they actually did a thorough job on the head of the ground anchor!
