{"id":47424,"date":"2022-08-21T08:00:08","date_gmt":"2022-08-20T23:00:08","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=47424"},"modified":"2026-05-16T23:04:47","modified_gmt":"2026-05-16T14:04:47","slug":"private-mortar-spraying-5","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/private-mortar-spraying-5\/","title":{"rendered":"Mortar Spraying for Private Homes and Commercial Construction, Part 5 (For the General Public)"},"content":{"rendered":"<p>Hello, everyone<\/p>\n<p>This is Enta.<\/p>\n<p><a title=\"Mortar Spraying for Private Homes and Commercial Construction: Part 1 (For the General Public)\" href=\"https:\/\/norimen.net\/en\/private-mortar-spraying-1\/\" target=\"_blank\" rel=\"noopener\">Mortar Spraying for Private Homes and Commercial Construction: Part 1 (For the General Public)<\/a><\/p>\n<p><a title=\"Mortar Spraying for Private Homes and Commercial Construction, Part 2 (For the General Public)\" href=\"https:\/\/norimen.net\/en\/private-mortar-spraying-2\/\" target=\"_blank\" rel=\"noopener\">Mortar Spraying for Private Homes and Commercial Construction, Part 2 (For the General Public)<\/a><\/p>\n<p><a title=\"Mortar Spraying for Private Homes and Commercial Construction, Part 3 (For the General Public)\" href=\"https:\/\/norimen.net\/en\/private-mortar-spraying-3\/\" target=\"_blank\" rel=\"noopener\">Mortar Spraying for Private Homes and Commercial Construction, Part 3 (For the General Public)<\/a><\/p>\n<p><a title=\"Mortar Spraying for Private Homes and Commercial Construction, Part 4 (For the General Public)\" href=\"https:\/\/norimen.net\/en\/private-mortar-spraying-4\/\" target=\"_blank\" rel=\"noopener\">Mortar Spraying for Private Homes and Commercial Construction, Part 4 (For the General Public)<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Regarding the sprayed mortar work covered in previous posts,<\/p>\n<p>In this case, given these conditions, wouldn't it be okay to apply sprayed mortar to the earthwork section?<\/p>\n<p>I'm going to try writing about that.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-45327\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2021\/09\/a4276d6b41c94f605dab2e673d8c961b.jpg\" alt=\"Mortar Spraying Worker\" width=\"600\" height=\"400\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2021\/09\/a4276d6b41c94f605dab2e673d8c961b.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2021\/09\/a4276d6b41c94f605dab2e673d8c961b-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Let\u2019s consider the on-site conditions for applying sprayed mortar in a typical residential home.<\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #0000ff;\">1. There are a lot of weeds, and maintenance costs money every year.<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #0000ff;\">2. Every time it rains, soil and sediment wash away.<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #0000ff;\">3. The foundation of the house is starting to show.<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #0000ff;\">4. The stone wall is crumbling.<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #0000ff;\">5. The harami is protruding. (The mountain is bulging.)<\/span><\/strong><\/span><\/p>\n<p>Is this what housing conditions are like for the general public?<\/p>\n<p>&nbsp;<\/p>\n<p>In response to this, I will outline the specifications for the spray mortar application used to address this issue.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-38932\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/05\/IMGP0359.jpg\" alt=\"Slope Cleaning Status\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/05\/IMGP0359.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/05\/IMGP0359-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #0000ff;\">1. There are a lot of weeds, and maintenance costs money every year.<\/span><\/strong><\/span><\/p>\n<p>After thoroughly cleaning the slope, we recommend applying a spray coating with a thickness of at least 7 centimeters!<\/p>\n<p>The same applies to gentle slopes; install sediment retention material in the drainage pipes as much as possible.<\/p>\n<p>And, if possible, for administrative purposes<span style=\"font-size: 120%;\"><strong><span style=\"color: #ff0000;\">Stepped walkway<\/span><\/strong><\/span>I think it would be better to make one.<\/p>\n<p>Slopes are generally not places that ordinary people without special training can climb.<\/p>\n<p>It is important to remove grass from areas of slope deformation and cracks.<\/p>\n<p>Even if you think it won't grow, it will definitely grow, so let's have a staircase built with mortar for maintenance purposes.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #0000ff;\">2. Every time it rains, soil and sediment wash away.<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #0000ff;\">3. The foundation of the house is starting to show.<\/span><\/strong><\/span><\/p>\n<p>The sprayed thickness must be 10 centimeters or more, and anti-siphoning material must be installed on the drain pipes.<\/p>\n<p>Since the slope may be steep, the spray thickness is 10 centimeters.<\/p>\n<p>And since there is a very real possibility that such places could collapse,<\/p>\n<p>We recommend using D10 to D16 rebar to create a rebar grid.<\/p>\n<p>If the rebar diameter is small, use a 200-by-200 or 300-by-300 grid.<\/p>\n<p>If you're going with D16, the rebar cover is just barely sufficient, so I think it's best to have at least 10 centimeters.<\/p>\n<p>So, it's for dealing with landslides and sediment runoff, right?<\/p>\n<p>If the base of the foundation is exposed, wrap it securely around that area to prevent rainwater from seeping in as much as possible during rainfall.<\/p>\n<p>Spray in stages to reduce the flow velocity of rainwater. (This can be achieved by wrapping the coil.)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-41960\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2020\/06\/2020-04-30-11.01.34-1.jpg\" alt=\"Moldam\" width=\"600\" height=\"450\" \/><\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #0000ff;\">4. The stone wall is crumbling.<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #0000ff;\">5. The harami is protruding. (The mountain is bulging.)<\/span><\/strong><\/span><\/p>\n<p>Decide whether to address the stone masonry or the root cause of the bulge.<\/p>\n<p>A spray thickness of at least 10 centimeters is desirable, and since it is necessary to implement measures to prevent collapse in conjunction with this,<\/p>\n<p>It may become necessary to perform rebar insertion work or dewatering drilling.<\/p>\n<p>If you're going with sprayed mortar and rebar insertion, you'll need to assemble a rebar grid.<\/p>\n<p>Whether or not to install a pressure-receiving plate depends on the design.<\/p>\n<p>&nbsp;<\/p>\n<p>Basically,<span style=\"color: #ff0000;\">Anti-siphon material is required<\/span>That's right.<\/p>\n<p><strong><span style=\"color: #ff0000;\">Install on the earthwork section<\/span><\/strong>In that case,<\/p>\n<p>I think the result would be similar if we spread the mat over the entire slope, secure it firmly, and then apply the spray.<\/p>\n<p>If you ensure that the soil remains stable overall, there will be no runoff from the drainage system.<\/p>\n<p>I feel like there isn't much difference between the mat and the dirt.<\/p>\n<p>Since we'll be using mats in areas where spring water emerges from the bedrock, it doesn't seem like it will be much of a problem.<\/p>\n<p>Instead, thickness is what matters.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-46974\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2022\/06\/20161212223712.png\" alt=\"Believe\" width=\"320\" height=\"400\" \/><\/p>\n<p>As I mentioned in my previous post, the basic principle of mortar spraying is adhesion to the rock, so,<\/p>\n<p>This product is not intended for use on soil surfaces.<\/p>\n<p>However, it seems that the nature of this construction method has changed over time.<\/p>\n<p>Given the labor shortages and lack of oversight, it\u2019s hardly surprising that it\u2019s used as a weed control measure.<\/p>\n<p>However, if this is done using sloppy workmanship or methods, it will cause problems for us professionals down the road.<\/p>\n<p>&nbsp;<\/p>\n<p>When people post videos on YouTube showing what appear to be strange construction methods\u2014is it a misunderstanding? Or a lack of experience and knowledge?\u2014<\/p>\n<p>There are, in fact, many ordinary people who believe that.<\/p>\n<p>Since we\u2019re doing this anyway, we\u2019d like to bring high-quality workmanship to ordinary homes as well.<\/p>\n<p>&nbsp;<\/p>\n<p>See you later<\/p>","protected":false},"excerpt":{"rendered":"<p>Hello, everyone. This is Enta. Mortar Spraying for Private Homes and Commercial Projects: Part 1 (For the General Public) Mortar Spraying for Private Homes and Commercial Projects: Part 2 (For the General Public) Mortar Spraying for Private Homes and Commercial Projects: Part 3 (For the General Public) Mortar Spraying for Private Homes and Commercial Projects\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_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[4529,37],"tags":[291,292,3493,3886,5217,5319,5320],"class_list":["post-47424","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-for-everyone","category-mortar-spraying","tag-291","tag-292","tag-3493","tag-3886","tag-5217","tag-5319","tag-5320"],"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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