{"id":48799,"date":"2023-04-07T08:00:00","date_gmt":"2023-04-06T23:00:00","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=48799"},"modified":"2026-05-17T14:28:37","modified_gmt":"2026-05-17T05:28:37","slug":"norimen-question2-ans","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/norimen-question2-ans\/","title":{"rendered":"Slope Stabilization Problem 2 (Answer for the Ground Anchor Installation Process)"},"content":{"rendered":"<p>Hello, everyone.<\/p>\n<p>This is Enta.<\/p>\n<p><a title=\"Slope Stabilization Problem 2 (Ground Anchor Installation Process)\" href=\"https:\/\/norimen.net\/en\/wordpress\/norimen-question2\/\" target=\"_blank\" rel=\"noopener\">Slope Stabilization Problem 2 (Ground Anchor Installation Process)<\/a><\/p>\n<p>Here is the answer to Problem 2 from the previous slope engineering assignment.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6000\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/6d46d5687d6d9d61e76dc3095d17c838.jpg\" alt=\"Reverse-Wrap Installation: Cutting the Second Layer\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/6d46d5687d6d9d61e76dc3095d17c838.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/6d46d5687d6d9d61e76dc3095d17c838-300x230.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>The issue is the 30 anchors and the reverse-wrap installation method<\/p>\n<p>So, I'll list out, in order, how many days each task will take.<\/p>\n<p>&nbsp;<\/p>\n<p>Excavation of the first level: 3 days<\/p>\n<p>Drilling: 1 stage \/ 10 holes \u00f7 2 holes per day = 5 days per stage<\/p>\n<p>The tension begins three days after the last day of drilling.<\/p>\n<p>After the tension was released<\/p>\n<p>Second-level excavation: 3 days<\/p>\n<p>Once you see the first row like that, you'll probably get the idea.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48801\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/04\/22c8a6a71ea550de5b68e0f79512c65c.jpg\" alt=\"Process\" width=\"600\" height=\"186\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/04\/22c8a6a71ea550de5b68e0f79512c65c.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/04\/22c8a6a71ea550de5b68e0f79512c65c-300x93.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>At a glance, construction will be completed in 39 days, but we\u2019ll factor in construction delays here.<\/p>\n<p>Since it takes an extra day per level, that means there's a three-day delay, right?<\/p>\n<p>That means<span style=\"font-size: 130%;\"><strong><span style=\"color: #ff0000;\">42 days<\/span><\/strong><\/span>That's the general idea I have\u2014I think that might be the right answer.<\/p>\n<p>Since this varies from person to person depending on their experience, I can't say this is 100% correct.<\/p>\n<p>After all, site conditions can vary in all sorts of ways, and there are weather conditions to consider as well.<\/p>\n<p>Please think of this as a rough guideline.<\/p>\n<p>&nbsp;<\/p>\n<p>And the key to shortening the construction time is to use fast-setting cement.<\/p>\n<p>In standard ground anchor construction, the cement used for cost estimation is ordinary cement.<\/p>\n<p>With ordinary cement, it takes at least about two weeks to reach the design strength. (Conditions underground are generally quite consistent.)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3419\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/05\/0420a499fbdd2f859f6a8c8cac4b312e.jpg\" alt=\"High-early-strength cement\" width=\"540\" height=\"460\" \/><\/p>\n<p>By using fast-setting cement, you can expect the concrete to develop strength early.<\/p>\n<p>That's about three days.<\/p>\n<p>Since it generates more than 23 kN in three days, it\u2019s possible to perform tensioning work.<\/p>\n<p>If, for some reason, the specified design strength cannot be achieved here, please check the 7-day strength.<\/p>\n<p>If the strength still isn't there, the conclusion is that either the curing method is wrong or, in the worst case, the mix design is flawed...<\/p>\n<p>Since the actual subsoil maintains a consistent temperature and has moderate moisture content, it is believed that the development of strength occurs more quickly than in the test specimens.<\/p>\n<p>&nbsp;<\/p>\n<p>In addition, the standard requirement is a 4-week strength of at least 23 kN for ordinary cement.<\/p>\n<p>The idea that strength develops in 3 days or 7 days is based on empirical observations with fast-setting cement.<\/p>\n<p>Therefore, it's not an absolute requirement.<\/p>\n<p>&nbsp;<\/p>\n<p>See you later.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hello, everyone. This is Enta. Slope Stabilization Problem 2 (Ground Anchor Construction Process) Here are the answers to the previous Slope Stabilization Problem 2. Since the problem involves 30 anchors and reverse-wrap construction, I\u2019ll list the number of days required for each step in order. \u00a0 Excavation of the first tier: 3 days; Drilling: 1 tier\/\u2026<\/p>","protected":false},"author":2,"featured_media":48747,"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":[28,43],"tags":[48,104,5284,5646],"class_list":["post-48799","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ground-anchor","category-issues","tag-48","tag-104","tag-5284","tag-5646"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium 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