{"id":42159,"date":"2020-07-03T08:00:41","date_gmt":"2020-07-02T23:00:41","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=42159"},"modified":"2026-05-17T06:35:27","modified_gmt":"2026-05-16T21:35:27","slug":"high-pressure-drilling-part-4","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/high-pressure-drilling-part4\/","title":{"rendered":"Drilling in High-Pressure Water (Part 4) | Conclusion"},"content":{"rendered":"<p>Hello, everyone.<\/p>\n<p>This is Enta.<\/p>\n<p>We're already halfway through the year!<\/p>\n<p>Just the other day, everyone was talking about the COVID-19 pandemic and staying home, and now it\u2019s already July 2...<\/p>\n<p>Time sure flies, doesn't it?<\/p>\n<p>I'll be popping around here and there again this month, so thanks for your support. lol<\/p>\n<hr \/>\n<p>But that's beside the point.<\/p>\n<p>This is Part 4 of the drilling done by Kronenbit the other day.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-42155 alignnone\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/680ddec0e6e23f8babeab7e072b93732.png\" alt=\"Injection by Kronenbit\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/680ddec0e6e23f8babeab7e072b93732.png 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/680ddec0e6e23f8babeab7e072b93732-300x230.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>We completed the injection last time.<\/p>\n<p>I forgot to mention this in the section on drilling, but when drilling with a crown bit, the crown bit itself has some thickness.<\/p>\n<p>If the drilling length is 10 meters, the crown bit will not be able to drill the full 10 meters.<\/p>\n<p>Please keep that in mind.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-42161 alignnone\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/2331a42ab160a6935d8809e3a68cdc3b.png\" alt=\"Anchor Insertion Using Kronenbit\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/2331a42ab160a6935d8809e3a68cdc3b.png 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/2331a42ab160a6935d8809e3a68cdc3b-300x230.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Insert the anchor body while the cement slurry fills the casing completely.<\/p>\n<p>Retrieve the casing once insertion is complete.<\/p>\n<p>&nbsp;<\/p>\n<p>When retrieving the casing, first reverse the direction of the casing.<\/p>\n<p>Turning it upside down will unlock it.<\/p>\n<p>Please check the video below.<\/p>\n<div style=\"width: 640px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-42159-1\" width=\"640\" height=\"480\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/2020-06-06-10.09.32.mp4?_=1\" \/><a href=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/2020-06-06-10.09.32.mp4\">https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/2020-06-06-10.09.32.mp4<\/a><\/video><\/div>\n<p>I decided to post a video that isn't on YouTube lol<\/p>\n<p>The reason is, why go out of your way to post such a pointless explanatory video on YouTube?<\/p>\n<p>That's what I thought, lol (Or is it actually hard to read??)<\/p>\n<p>&nbsp;<\/p>\n<p>Well, that's basically how it comes off when you flip it over like this.<\/p>\n<p>However, for now, it's safer to flip it over while tapping it with a hammer!<\/p>\n<p>Reverse the casing while tapping it.<\/p>\n<p>Now, please try lifting it up.<\/p>\n<p>As long as the anchor body hasn't risen, there's no problem.<\/p>\n<p>If the level is too high, lower it and try again in the same way.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-42165 alignnone\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/396358e6df05d37ec192cfec3298351f.png\" alt=\"Casing Retrieval Using a Crown Bit\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/396358e6df05d37ec192cfec3298351f.png 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/396358e6df05d37ec192cfec3298351f-300x230.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>As you collect the casings, only the Kronenbits will remain and can be collected.<\/p>\n<p>The important thing to keep in mind is<span style=\"font-size: 150%;\"><strong><span style=\"color: #ff0000;\">Inject additional cement slurry after each rod is retrieved<\/span><\/strong><\/span>Please do it!<\/p>\n<p>Since there is already pressurized water in this area, there is a very high risk that the cement slurry will be forced out unless it is continuously pumped in.<\/p>\n<p>Every time you remove the casing, you need to refill it!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-42166 alignnone\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/dd3778265f66ccccfd6861f2d2e79b74.png\" alt=\"Completion of Drilling, Injection, and Insertion Using the Kronenbit\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/dd3778265f66ccccfd6861f2d2e79b74.png 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/dd3778265f66ccccfd6861f2d2e79b74-300x230.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>This completes the standard drilling, injection, and insertion procedures using the Kronenbit.<\/p>\n<p>Did you get the gist of it? lol<\/p>\n<p>Well, it's no big deal once you try it, so give it a shot.<\/p>\n<p>&nbsp;<\/p>\n<p>See you later.<\/p>\n<p>For inquiries regarding Kronenbit, please contact Fujiwara Industries.<\/p>\n<div class=\"linkcard\"><div class=\"lkc-external-wrap\"><a class=\"lkc-link no_icon\" href=\"https:\/\/fujiwarasangyo.jp\" data-lkc-id=\"131\" target=\"_blank\" rel=\"external noopener\"><div class=\"lkc-card\"><div class=\"lkc-info\"><div class=\"lkc-favicon\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.google.com\/s2\/favicons?domain=fujiwarasangyo.jp\" alt=\"\" width=\"16\" height=\"16\" \/><\/div><div class=\"lkc-domain\">fujiwarasangyo.jp<\/div><\/div><div class=\"lkc-content\"><figure class=\"lkc-thumbnail\"><img decoding=\"async\" class=\"lkc-thumbnail-img\" src=\"https:\/\/s.wordpress.com\/mshots\/v1\/https%3A%2F%2Ffujiwarasangyo.jp?w=100\" width=\"100px\" height=\"108px\" alt=\"\" \/><\/figure><div class=\"lkc-title\">FSC Fujiwara Industries Co., Ltd. | Fujiwara Industries specializes in tensioning systems such as ground anchors and rock bolts...<\/div><div class=\"lkc-url\" title=\"https:\/\/fujiwarasangyo.jp\">https:\/\/fujiwarasangyo.jp<\/div><div class=\"lkc-excerpt\">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 class=\"clear\"><\/div><\/div><\/a><\/div><\/div>\n<p><a title=\"Drilling in High-Pressure Water (Part 1)\" href=\"https:\/\/norimen.net\/en\/high-pressure-drilling-part-1\/\" target=\"_blank\" rel=\"noopener\">Drilling in High-Pressure Water (Part 1)<\/a><\/p>\n<p><a title=\"Drilling in High-Pressure Water (Part 2)\" href=\"https:\/\/norimen.net\/en\/high-pressure-drilling-part-2\/\" target=\"_blank\" rel=\"noopener\">Drilling in High-Pressure Water (Part 2)<\/a><\/p>\n<p><a title=\"Drilling in High-Pressure Water (Part 3)\" href=\"https:\/\/norimen.net\/en\/high-pressure-drilling-part-3\/\" target=\"_blank\" rel=\"noopener\">Drilling in High-Pressure Water (Part 3)<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Hello, everyone. It\u2019s Enta here. We\u2019re already halfway through the year! It feels like just the other day we were talking about the COVID-19 pandemic and staying home, but it\u2019s already July 2nd\u2026 Time sure flies, doesn\u2019t it? I\u2019ll be popping up here and there again this month, so please look forward to it. lol Anyway, moving on\u2014the other day, Kronenbit reported that\u2026<\/p>","protected":false},"author":2,"featured_media":8660,"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":[48,49,159,377,1617,1920,3195,3347,3501,3573,3585,3586],"class_list":["post-42159","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ground-anchor","tag-48","tag-49","tag-159","tag-377","tag-1617","tag-1920","tag-3195","tag-3347","tag-3501","tag-3573","tag-3585","tag-3586"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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