{"id":42759,"date":"2020-09-30T08:00:34","date_gmt":"2020-09-29T23:00:34","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=42759"},"modified":"2026-05-17T13:23:12","modified_gmt":"2026-05-17T04:23:12","slug":"norimen-collapse-part-1","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/norimen-collapse-part1\/","title":{"rendered":"Slope Collapse (Part 1) | Heavy Rain Disaster Site"},"content":{"rendered":"

Hello, everyone.<\/p>\n

This is Enta.<\/p>\n

The other day!<\/p>\n

I received some amazing videos and images.<\/p>\n

Photo courtesy of Masaaki from Shikoku!<\/p>\n

Thank you so much.<\/p>\n

I\u2019d like to write about the background leading up to this point, but for privacy reasons, I\u2019ll limit the information I disclose to just the name.<\/p>\n

 <\/p>\n

I think that person from the major company is familiar with this site.<\/p>\n

I'd like to know more, so please tell me what happened next and why he slipped.<\/p>\n

Situations like this are very rare.<\/p>\n

It's very educational, and,<\/p>\n

We slope workers are constantly working in dangerous situations like this.<\/span><\/strong><\/span>I think this is an opportunity to learn that.<\/p>\n

To be honest, as someone who works on slopes, I\u2019ve gotten so used to it that I\u2019ve become a bit numb to it. But there are still things that make me realize it all over again, aren\u2019t there?<\/p>\n

 <\/p>\n

Since the photos and videos are from 4 or 5 years ago, I don't think there would be any problem with posting them.<\/p>\n

However, if you find any problems, please let me know. (Since it's a public resource, I think it should be fine.)<\/p>\n

\"Slope<\/p>\n

It's falling apart all over the place.<\/p>\n

\"Slope<\/p>\n

In reality, everything has collapsed from top to bottom, and<\/p>\n

The bottom edge of this beam has completely buckled.<\/p>\n

It feels like the pressure at the top is trying to burst out from inside the bottom.<\/p>\n

It seems like the strength hasn't developed yet? (I don't know the details.)<\/p>\n

\"Slope<\/p>\n

The photo above shows it being crushed by pressure from above, doesn't it?<\/p>\n

I don't think you'd often see a collapse like this happening during on-site construction.<\/p>\n

The frame is also being assembled.<\/p>\n

\"Slope<\/p>\n

Mudstone halfway up the slope? Bluish clay?<\/p>\n

\"Slope<\/p>\n

Reinforcing bar installation is currently underway.<\/p>\n

In the video, you can hear a \"crack! crack!\" sound.<\/p>\n

I'm guessing this is the sound of the corner washers and nuts popping off due to the impact that breaks the bond between the rebar and the cement slurry (grout)?<\/p>\n

 <\/p>\n

Since some of the people reading this blog are pretty hardcore fans, and I think there are those who want me to post it, I\u2019ll go ahead and post it.<\/p>\n

\"The<\/p>\n

\"The<\/p>\n

\"The<\/p>\n

\"The<\/p>\n

I've adjusted the colors to match what they look like to the naked eye.<\/p>\n

If you look closely, it doesn't seem to be mudstone\u2014it looks more like volcanic gravel? (I'm not an expert, so I have no clue lol.)<\/p>\n

For now, I guess you'd like to see the columnar diagrams for this site, right?<\/p>\n

 <\/p>\n

The photo looks something like this.<\/p>\n

I'm thinking of featuring a video next time.<\/p>\n

I'm going to try all sorts of things to make the video as good as possible lol<\/p>\n

If that doesn't work out, I'll just stream it live, lol.<\/p>\n

We'll post the video tomorrow.<\/p>\n

 <\/p>\n

See you later.<\/p>","protected":false},"excerpt":{"rendered":"

Hello, everyone. This is Enta. The other day, I received some amazing videos and photos. The photos were provided by Masaaki from Shikoku! Thank you so much. I\u2019d like to share the story behind them, but to protect his privacy, I\u2019ll only mention his first name here. \u2026<\/p>","protected":false},"author":2,"featured_media":8144,"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":[34,43],"tags":[44,116,290,1707,1741,2259,2833,3909],"class_list":["post-42759","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-slope-work","category-issues","tag-44","tag-116","tag-290","tag-1707","tag-1741","tag-2259","tag-2833","tag-3909"],"acf":[],"yoast_head":"\n\u6cd5\u9762\u5d29\u58ca\uff08\u305d\u306e1\uff09\uff5c\u8c6a\u96e8\u707d\u5bb3\u73fe\u5834 - 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