{"id":44274,"date":"2021-05-18T08:00:12","date_gmt":"2021-05-17T23:00:12","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=44274"},"modified":"2026-05-17T13:41:38","modified_gmt":"2026-05-17T04:41:38","slug":"anchor-special-drilling-pipe","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/anchor-special-drilling-pipe\/","title":{"rendered":"Special Drilling Methods in Ground Anchor Construction (Installation of Mouth Pipes)"},"content":{"rendered":"

Hello, everyone.<\/p>\n

This is Enta.<\/p>\n

Special Drilling Methods in Ground Anchor Construction (Part 1)<\/a><\/p>\n

Continuing from last time, this is special drilling.<\/p>\n

 <\/p>\n

Lately, I've been forgetting about posts I planned to continue (like \"Part 2,\" \"Part 3,\" and so on) a few days later, and sometimes people point it out to me lol.<\/p>\n

If that's the case, please let me know. I keep forgetting, lol.<\/p>\n

 <\/p>\n

Right away,<\/p>\n

In the previous post, the water-stopping box was already in place, but I\u2019d like to show you the steps leading up to that.<\/p>\n

\"Mouthpiece\"<\/p>\n

First up is the mouthpiece.<\/p>\n

Get this ready. (You can buy it at FSC Fujiwara Industries.)<\/p>\n

\"Mouthpiece\"<\/p>\n

Align the outer circumference of the nozzle with the drilling position and weld it securely all the way around.<\/p>\n

When doing arc welding on-site, the welding rod hits the sheet piles, making it difficult to work, but a semi-automatic welder requires gas.<\/p>\n

It's up to the contractor which method to use, but we went with the simpler arc welding.<\/p>\n

However, welding may take longer because it can be difficult to insert the rod.<\/p>\n

 <\/p>\n

From this position, install the water-stopping box during the drilling phase.<\/p>\n

\"Water-Tight<\/p>\n

That completes the setup.<\/p>\n

From this position, the casing will be inserted and the borehole drilled.<\/p>\n

Please apply grease to the rubber part at the entrance.<\/p>\n

The gasket here is prone to damage during drilling.<\/p>\n

\"Pressurized<\/p>\n

Since this is the pipe connection for installing the water-stopping box, please weld it securely all around to firmly secure the water-stopping box.<\/p>\n

If this is not done, pressurized water may leak out, which could cause the soil inside to wash away.<\/p>\n

Please see the following section for boreholes with high confined water pressure.<\/p>\n

 <\/p>\n

See you later.<\/p>\n

Drilling in High-Pressure Water (Part 1)<\/a><\/p>\n

Drilling in High-Pressure Water (Part 2)<\/a><\/p>\n

Drilling in High-Pressure Water (Part 3)<\/a><\/p>\n

Drilling in High-Pressure Water (Part 4)<\/a><\/p>\n

\"\"<\/div>
fujiwarasangyo.jp<\/div><\/div>
\"\"<\/figure>
FSC Fujiwara Industries Co., Ltd. | Fujiwara Industries specializes in tensioning systems such as ground anchors and rock bolts...<\/div>
https:\/\/fujiwarasangyo.jp<\/div>
Fujiwara Industries primarily designs, sells, and rents tension jacks, measuring instruments, and related components for ground anchors, rock bolts, and other applications.<\/div><\/div>
<\/div><\/div><\/a><\/div><\/div>","protected":false},"excerpt":{"rendered":"

Hello, everyone. This is Enta. Special Drilling Methods for Ground Anchor Construction (Part 1) Continuing from last time, this post covers special drilling methods. Lately, I\u2019ve been forgetting about articles I planned to continue (like \u201cPart 2,\u201d \u201cPart 3,\u201d and so on) a few days later, so I\u2019d appreciate it if you could point that out to me\u2026<\/p>","protected":false},"author":2,"featured_media":40704,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[28],"tags":[48,92,3501,4477,4478,4504],"class_list":["post-44274","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ground-anchor","tag-48","tag-92","tag-3501","tag-4477","tag-4478","tag-4504"],"acf":[],"yoast_head":"\n\u30b0\u30e9\u30a6\u30f3\u30c9\u30a2\u30f3\u30ab\u30fc\u5de5\u306b\u304a\u3051\u308b\u7279\u6b8a\u306a\u524a\u5b54\u65b9\u6cd5\uff08\u53e3\u5143\u7ba1\u8a2d\u7f6e\uff09 - 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