{"id":46662,"date":"2022-04-01T15:42:39","date_gmt":"2022-04-01T06:42:39","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=46662"},"modified":"2026-05-16T01:22:36","modified_gmt":"2026-05-15T16:22:36","slug":"areas-of-application-for-mortar-and-concrete-shotcrete","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/mortar-concrete-shotcrete-application-areas\/","title":{"rendered":"Locations for Sprayed Mortar and Sprayed Concrete Applications | Selection of Slope Stabilization Methods"},"content":{"rendered":"<p>Hello, everyone.<\/p>\n<p>This is Enta.<\/p>\n<h3>Locations Where Mortar and Concrete Spraying Are Performed<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-6090\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/7d7fc974227ca8a2e7980de02452e264-600x460.jpg\" alt=\"Sprayed Mortar: Application Areas\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/7d7fc974227ca8a2e7980de02452e264.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/7d7fc974227ca8a2e7980de02452e264-300x230.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Contrary to popular belief, there is actually only one area where mortar and similar materials are sprayed.<\/p>\n<p>\"What?! That can't be true, right?!\" I know you're probably thinking, \"Pfft,\" but there's actually just one.<\/p>\n<p>That said, while there used to be only one, it is now installed in a variety of locations.<\/p>\n<p>One such place is<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-6091\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/l201005111600-600x400.jpg\" alt=\"Sprayed Mortar, Iwayama\" width=\"600\" height=\"400\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/l201005111600-600x400.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/l201005111600-300x200.jpg 300w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/l201005111600-768x512.jpg 768w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/l201005111600.jpg 1024w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><span style=\"font-size: 18px;\"><strong><span style=\"color: #ff0000;\">Rock that is prone to weathering<\/span><\/strong><\/span>and so on.<\/p>\n<p><span style=\"font-size: 18px;\">As a condition,<\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>1. Grass doesn't grow.<\/strong><\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>2. The slope is steep<\/strong><\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>3. Bedrock<\/strong><\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>4. Numerous joints<\/strong><strong><span style=\"text-decoration: underline; color: #0000ff;\"><a style=\"color: #0000ff; text-decoration: underline;\" href=\"https:\/\/ja.wikipedia.org\/wiki\/%E7%AF%80%E7%90%86\" target=\"_blank\" rel=\"noopener\">What Is a Joint?<\/a><\/span><\/strong><\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>5. Severe erosion<\/strong><\/span><\/p>\n<p>and so on.<\/p>\n<p>When I list the conditions like this, you might think, \u201cWell, there are a lot of them,\u201d but,<\/p>\n<p>This is practically a mountain of boulders, lol.<\/p>\n<p><span style=\"font-size: 20px;\"><strong><span style=\"color: #0000ff;\">The purpose of sprayed mortar and sprayed concrete is to prevent further weathering.<\/span><\/strong><\/span>So,<\/p>\n<p>There is basically just one.<\/p>\n<p>However, since we haven't been able to allocate staff for mowing recently, it has been used as a weed control measure, or<\/p>\n<p>Measures to prevent erosion and sediment loss from riverbank revetments. It has been used to prevent collapse caused by rainwater in areas with sediment deposits.<\/p>\n<p>In a sense,<strong>It is used as a method that allows for easy surface treatment, but on the other hand, it also has its drawbacks<\/strong>Yes, there is.<\/p>\n<p>The drawback of sprayed mortar and sprayed concrete is that you can't see inside them.<\/p>\n<p>If the substrate is bedrock, the installation is basically a bedrock-bonded method, so no gaps will form between the bedrock and the mortar.<\/p>\n<p>Since there are no gaps, it helps prevent weathering.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-6092\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/img_1-600x450.jpg\" alt=\"Weathered Rock, Sprayed Mortar\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/img_1-600x450.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/img_1-300x225.jpg 300w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/img_1-768x576.jpg 768w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/02\/img_1.jpg 1600w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>However, in areas where rocks cannot adhere, rainwater seeps in, causing gradual weathering.<\/p>\n<p>There's no way to prevent this.<\/p>\n<p>Weathering of sprayed mortar and sprayed concrete generally takes the form of cavitation.<\/p>\n<p>Over time, it weathers away inside and gradually comes out through the drainage pipes. (Soil discharge)<\/p>\n<p>These days, there are also construction methods like cavity-filling grouting. (Though I\u2019m just speculating about the grouting part, lol.)<\/p>\n<p>It would probably be best to fill the voids as a temporary measure to extend its lifespan, and ultimately tear it down and rebuild it.<\/p>\n<p>It\u2019s nonsense to just call everything \u201csprayed mortar.\u201d<\/p>\n<p>Incidentally, sprayed mortar is classified as temporary, while sprayed concrete is classified as permanent.<\/p>\n<p>&nbsp;<\/p>\n<p>See you later.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hello, everyone. This is Enta. Areas where mortar and concrete are sprayed\u2014it\u2019s a common misconception, but there\u2019s actually only one place where mortar and the like are sprayed. \u201cWhat?! That can\u2019t be true!\u201d You\u2019re probably thinking, \u201cPfft,\u201d but it really is just one. That said, back in the day, there used to be one\u2026<\/p>","protected":false},"author":2,"featured_media":6093,"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_total_topic_count_hidden":0,"_bbp_total_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[37],"tags":[125,291,292,360],"class_list":["post-46662","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mortar-spraying","tag-125","tag-291","tag-292","tag-360"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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