{"id":40363,"date":"2019-10-28T08:00:35","date_gmt":"2019-10-27T23:00:35","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=40363"},"modified":"2026-05-17T14:03:02","modified_gmt":"2026-05-17T05:03:02","slug":"tension-angle-thoughts-part-1","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/tension-angle-think-part1\/","title":{"rendered":"Considering Tension Angles (Part 1) | Anchor Design"},"content":{"rendered":"<p>Hello, everyone.<\/p>\n<p>This is Enta.<\/p>\n<p>There are different installation angles for ground anchor work, right?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-39109\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/05\/985ef8785aeb71f7b5d9fafcae8d392b-600x460.jpg\" alt=\"Drilling Angle Measurement\" width=\"600\" height=\"460\" \/><\/p>\n<p>For example, if the design drilling angle is 35 degrees and the slope angle on the pressure plate side is 55 degrees, the total angle is 90 degrees, so installation under tension is easy.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-40365\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/10\/1bc328f12c1483fd311d1d392afb0b9c-600x450.gif\" alt=\"Adhesion Angle\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/10\/1bc328f12c1483fd311d1d392afb0b9c-600x450.gif 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/10\/1bc328f12c1483fd311d1d392afb0b9c-300x225.gif 300w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/10\/1bc328f12c1483fd311d1d392afb0b9c-768x576.gif 768w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>The basic principle when you're tense is to pull straight and secure it straight. (Strictly speaking, an angle of \u00b15 degrees or less at the head is acceptable. P98)<\/p>\n<p>&nbsp;<\/p>\n<p>What about this scenario, where the drilling angle is 25 degrees and the slope on the pressure plate side is 55 degrees?<\/p>\n<p>25 degrees + 55 degrees = 80 degrees<\/p>\n<p>It's 10 degrees short of 90 degrees.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-40366\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/10\/7ced086fa0a25c75a6bdad0c19bed109-600x450.gif\" alt=\"Mounting Angle Taper\" width=\"600\" height=\"450\" \/><\/p>\n<p>That's why there's an angle-adjustable base\u2014for times like that.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-40367\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/10\/p-civil-plate-03-02.jpg\" alt=\"Kakudo-kun\" width=\"389\" height=\"358\" \/><\/p>\n<p>I guess \"Kakudo-kun\" is the one I use most often?<\/p>\n<p>Well, it varies by manufacturer, so I can't make a blanket statement, but you can adjust the angle by up to 20 degrees by rotating it 10 degrees up and 10 degrees down.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-40368\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/10\/2019-10-18-15.48.27-600x450.jpg\" alt=\"Kakudo-kun\" width=\"600\" height=\"450\" \/><\/p>\n<p>It looks something like this.<\/p>\n<p>&nbsp;<\/p>\n<p>However, this applies only to the vertical angle.<\/p>\n<p>What would happen if we added a horizontal angle of 10 degrees here?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-40369\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/10\/96cdcc7120a23cc22c86a35b587375e3-600x450.gif\" alt=\"Horizontal Angle  Mounting Angle\" width=\"600\" height=\"450\" \/><\/p>\n<p>Let's say the vertical angle is 25 degrees and the horizontal angle is 10 degrees.<\/p>\n<p>As with the previous settings, the angle of the compression plate relative to the vertical is 55 degrees.<\/p>\n<p>55 degrees + 25 degrees = 80 degrees<\/p>\n<p>That means it's 10 degrees off vertically and 10 degrees off horizontally.<\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #0000ff;\">The composite angle is 20 degrees short.<\/span><\/strong><\/span><\/p>\n<p>The question is, \"How would you adjust this using Kakudo-kun?\"<\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #ff0000;\">The bottom line is, it's not possible.<\/span><\/strong><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-40370\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/10\/p-civil-plate-03-03.jpg\" alt=\"Kakudo-kun\" width=\"509\" height=\"282\" \/><\/p>\n<p>Although Kakudo-kun has a maximum angle of 20 degrees, set the base below to a vertical angle of 10 degrees.<\/p>\n<p>If the upper base is set to a horizontal angle of 10 degrees, the angle of the lower base will be half that value.<\/p>\n<p>When adjusting by rotating the upper base around the lower base as an axis, the angle is 20 degrees when the thickest points are aligned.<\/p>\n<p>When you combine the thick and thin parts, the total is \u00b10 degrees.<\/p>\n<p>&nbsp;<\/p>\n<p>If the upper base is tilted horizontally by 10 degrees, the angle of the lower base will likely be half that.<\/p>\n<p>And it's facing in a weird direction, too.<\/p>\n<p>&nbsp;<\/p>\n<p>This means that Kakudo-kun alone can't handle situations like this.<\/p>\n<p>To be continued tomorrow<\/p>\n<p>&nbsp;<\/p>\n<p>See you later.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hello, everyone. This is Enta. With ground anchor construction, there are different installation angles, right? For example, if the design drilling angle is 35 degrees and the slope angle on the load-bearing plate side is 55 degrees\u2014which adds up to 90 degrees\u2014then setting the anchor during tensioning is straightforward. The basic principle for tensioning is to pull straight and anchor straight. (Strictly speaking\u2026<\/p>","protected":false},"author":2,"featured_media":40368,"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":[48,181,439,2874,2875],"class_list":["post-40363","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ground-anchor","tag-48","tag-181","tag-439","tag-2874","tag-2875"],"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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