{"id":3739,"date":"2017-07-01T08:00:03","date_gmt":"2017-06-30T23:00:03","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=3739"},"modified":"2026-05-15T20:06:31","modified_gmt":"2026-05-15T11:06:31","slug":"cement-milk-pressure-test-s2-part-1","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/cement-milk-pressure-test-s2-part1\/","title":{"rendered":"Cement Milk Pressure Test (Part 1, Revisited) | Verification of Strength Tests"},"content":{"rendered":"<p>Hello, everyone.<\/p>\n<p>This is Enta.<\/p>\n<p>It's been raining steadily for the past few days!<\/p>\n<p>It finally feels like the rainy season, doesn't it?<\/p>\n<p>But it's already July!<\/p>\n<p>We've reached the halfway point of the year...<\/p>\n<p>I'll keep giving it my all in the second half, too!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-3740\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/06\/7dbc21ad62149c9be612cd4bb6b8bb61.jpg\" alt=\"\" width=\"600\" height=\"375\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/06\/7dbc21ad62149c9be612cd4bb6b8bb61.jpg 1000w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/06\/7dbc21ad62149c9be612cd4bb6b8bb61-300x188.jpg 300w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/06\/7dbc21ad62149c9be612cd4bb6b8bb61-768x480.jpg 768w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>This has nothing to do with the article, but we\u2019ve added our branch offices to the \u201cAccess\u201d section of our website.<\/p>\n<p>It will serve as both an office and a warehouse.<\/p>\n<p>I don't have a desk or chair yet, lol<\/p>\n<p>From now on, let's hold our meetings there... lol<\/p>\n<hr \/>\n<p>But that's beside the point.<\/p>\n<p>It is said that applying pressure during grout injection concentrates the grout and increases its strength.<\/p>\n<p><strong><span style=\"color: #ff0000;\"><span style=\"font-size: medium;\">I don't think I'll change, lol, but...<\/span><\/span><\/strong><\/p>\n<p>Does concentration increase strength?? And it doesn't maintain pressure after pressurization, either.<\/p>\n<p>As I mentioned in a previous post, grout that is heavier than water has already been injected into the hole, and<\/p>\n<p>Considerable pressure is being applied to the fixing section.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3743\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/06\/2c4ee20b88ef3703cdaecaa11704873c.jpg\" alt=\"\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/06\/2c4ee20b88ef3703cdaecaa11704873c.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/06\/2c4ee20b88ef3703cdaecaa11704873c-300x230.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>I think it would look something like this if I were to draw it.<\/p>\n<p>As for the anchoring sections, it appears that some of them exceed the design strength.<\/p>\n<p>The orifice is probably rated for the design strength.<\/p>\n<p>However, that<span style=\"font-size: large;\"><strong>Since there were no experimental results, I decided to conduct an experiment.<\/strong><\/span><\/p>\n<p>We have prepared test specimens for that day's flow rate, so we'll use those as a reference.<\/p>\n<p>Although there are only a few test specimens, it would be interesting to see if there\u2019s a clear difference.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/stat.ameba.jp\/user_images\/20161008\/20\/enta-d\/97\/92\/j\/o0540030413767899732.jpg?caw=800\" alt=\"Pressure Test 1\" width=\"540\" height=\"304\" border=\"0\" \/><\/p>\n<p><span style=\"font-size: medium;\"><strong><span style=\"color: #0000ff;\">We will make a 1-meter test specimen.<\/span><\/strong><\/span><span style=\"font-size: medium;\"><strong><span style=\"color: #0000ff;\">Friction Packer (Moriya Koki) for \u03c6115<\/span><\/strong><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/stat.ameba.jp\/user_images\/20161008\/20\/enta-d\/f7\/db\/j\/o0540030413767899733.jpg?caw=800\" alt=\"Pressure Test 2\" width=\"540\" height=\"304\" border=\"0\" \/><\/p>\n<p><span style=\"font-size: medium;\"><strong><span style=\"color: #0000ff;\">We produce both pressurized and non-pressurized versions.<\/span><\/strong><\/span><\/p>\n<p>There are also standard test pieces, but for now, let's use the same conditions.<\/p>\n<p><a id=\"i13767899736\" class=\"detailOn\" href=\"http:\/\/ameblo.jp\/enta-d\/image-12207197461-13767899736.html\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/stat.ameba.jp\/user_images\/20161008\/20\/enta-d\/b6\/81\/j\/o0540030413767899736.jpg?caw=800\" alt=\"Pressure Test 3\" width=\"540\" height=\"304\" border=\"0\" \/><\/a><\/p>\n<p>The injection is complete.<span style=\"font-size: medium;\"><strong><span style=\"color: #0000ff;\">The maximum pressure is 0.2 MPa, and the material is cured while maintaining a pressure of 0.2 MPa.<\/span><\/strong><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/stat.ameba.jp\/user_images\/20161008\/20\/enta-d\/50\/69\/j\/o0540030413767899735.jpg?caw=800\" alt=\"Pressure Test 4\" width=\"540\" height=\"304\" border=\"0\" \/><\/p>\n<p><span style=\"font-size: medium;\"><strong><span style=\"color: #0000ff;\">Pressurized | Diameter: 150 mm<\/span><\/strong><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/stat.ameba.jp\/user_images\/20161008\/20\/enta-d\/9a\/23\/j\/o0540030413767899734.jpg?caw=800\" alt=\"Pressure Test 5\" width=\"540\" height=\"304\" border=\"0\" \/><\/p>\n<p><span style=\"font-size: medium;\"><strong><span style=\"color: #0000ff;\">No pressure; Diameter: 110 mm<\/span><\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>See you later.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hello, everyone. This is Enta. We\u2019ve been having some steady rain for the past few days! It finally feels like the rainy season. But it\u2019s already July! We\u2019ve reached the halfway point of the year\u2026 I\u2019ll do my best in the second half, too! This has nothing to do with the article, but I\u2019ve added our sales offices to the \u201cAccess\u201d section of our company website\u2026<\/p>","protected":false},"author":2,"featured_media":3744,"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":[28,30],"tags":[44,50,272,377,483],"class_list":["post-3739","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ground-anchor","category-lock-bolt","tag-44","tag-50","tag-272","tag-377","tag-483"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - 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