{"id":6813,"date":"2018-05-13T12:03:28","date_gmt":"2018-05-13T03:03:28","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=6813"},"modified":"2026-05-17T14:41:52","modified_gmt":"2026-05-17T05:41:52","slug":"head-extension-length-management","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/head-extension-length-management\/","title":{"rendered":"Carefully Control the Protrusion | Anchor Head Dimensions"},"content":{"rendered":"<p>Hello, everyone.<\/p>\n<p>This is Enta.<\/p>\n<p>It's raining, isn't it? (lol)<\/p>\n<p>I'm the \"rain guy,\" so I don't really mind, but the kids seem to be feeling pretty down \u2193\u2193\u2193.<\/p>\n<p>He asked me to take him to the pool, so I'm going to the pool this afternoon.<\/p>\n<hr \/>\n<p>But that's beside the point.<\/p>\n<h3>Ouch, my head!<\/h3>\n<p>You're working as a rebar installer, right?<\/p>\n<p>There\u2019s one thing that\u2019s more important than anything else when it comes to construction.<\/p>\n<p>We'll drill a hole, insert rebar, and inject grout.<\/p>\n<p>The most important thing here is,<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-6814\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/2016-02-25-15.51.37-600x338.jpg\" alt=\"Head of Department\" width=\"600\" height=\"338\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/2016-02-25-15.51.37.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/2016-02-25-15.51.37-300x169.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>This is the amount of rebar to be left exposed!<\/p>\n<p>I think the length is about the same nationwide, but,<span style=\"font-size: 22px;\"><strong><span style=\"color: #ff0000;\">100 mm<\/span><\/strong><\/span>That's it. This is the basics.<\/p>\n<p>For example, even if a load-bearing panel such as a Green Panel is installed, the distance from the load-bearing panel is 100 mm.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-6815\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/2342ad4086b525031678c1e19a1052d4-600x400.jpg\" alt=\"Exposing the Ends of Reinforcing Bars\" width=\"600\" height=\"400\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/2342ad4086b525031678c1e19a1052d4.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/2342ad4086b525031678c1e19a1052d4-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>The entry point is strictly limited to the surface of the pressure-bearing structure.<\/p>\n<p>If the natural ground surface is uneven and you don\u2019t account for that unevenness, you may end up with insufficient headroom.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-6816\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/c9677c62ca0eb8440957dfe2ceb32956-600x400.jpg\" alt=\"Reinforcing Bar Installer, Furuku\" width=\"600\" height=\"400\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/c9677c62ca0eb8440957dfe2ceb32956.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/c9677c62ca0eb8440957dfe2ceb32956-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>As you can see, there is 100 mm of clearance here, but the pressure plate and other plates cannot be installed.<\/p>\n<p>In that case, we'll have no choice but to cut into the mountain.<\/p>\n<p>In such cases, please follow the instructions below.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-6817\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/a3e90493e46a1642e1c2da3e3b03e3df-600x400.jpg\" alt=\"Reinforcement Bar Installer, Compression Plate\" width=\"600\" height=\"400\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/a3e90493e46a1642e1c2da3e3b03e3df.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/05\/a3e90493e46a1642e1c2da3e3b03e3df-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Please align it with the highest point of the uneven surface and measure 100 mm from there.<\/p>\n<p>On the raised portion,<span style=\"font-size: 20px;\"><strong><span style=\"color: #ff0000;\">Strength Equal to or Greater Than That of Natural Ground<\/span><\/strong><\/span>There is no problem as long as you fill the gaps with sand containing [the substance], mortar, soil-cement, or similar materials.<\/p>\n<p>It's fine to fill the sandbags with soil-cement and secure them with pins.<\/p>\n<p>There are quite a few cases where, due to the shape of the site, concrete can only be poured in that specific location.<\/p>\n<p>In such cases, please follow the instructions above.<\/p>\n<p>And,<span style=\"font-size: 20px;\"><strong><span style=\"color: #0000ff;\">Backfill must have a strength equal to or greater than that of the natural ground.<\/span><\/strong><\/span>Please go there.<\/p>\n<p>&nbsp;<\/p>\n<p>These 100 mm are what\u2019s known as the \u201cthread clearance,\u201d which is extremely important when tightening a screw.<\/p>\n<p>If there isn't enough of this, the amount of thread engaged decreases, and the screw becomes more likely to come loose due to vibration or other factors.<\/p>\n<p>As I wrote the other day, it\u2019s important to use caulk and other methods to keep things from coming loose, but,<\/p>\n<p><span style=\"font-size: 20px;\"><strong><span style=\"color: #ff0000;\">The fundamental premise is that it must not come loose even under normal conditions.<\/span><\/strong><\/span>That's it.<\/p>\n<p>&nbsp;<\/p>\n<p>See you later.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hello, everyone. It\u2019s Enta here. It\u2019s raining, isn\u2019t it? (lol) As someone who\u2019s known to bring rain, I don\u2019t mind it, but the kids seem to be feeling a bit down \u2193\u2193\u2193. They\u2019re asking me to take them to the pool, so I\u2019m heading there this afternoon. But anyway, back to the topic at hand\u2026 De! You\u2019re working on rebar installation, right? When it comes to construction, the most important thing is\u2026<\/p>","protected":false},"author":2,"featured_media":6818,"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":[30],"tags":[114,116,117,1151,1443,1444],"class_list":["post-6813","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lock-bolt","tag-114","tag-116","tag-117","tag-1151","tag-1443","tag-1444"],"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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