Retaining Wall Reinforcement Methods from a Slope Engineer\u2019s Perspective (Part 2): Types of Retaining Walls<\/a><\/p>\n![\"House](\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2025\/10\/1d499936b329a8a0224c2dc389323ec8.png\")
<\/p>\n
If Takaichi becomes prime minister, the Japanese media will all jump on every little thing she says!<\/p>\n
It's started, hasn't it?<\/p>\n
The media refuses to acknowledge that things are getting better.<\/p>\n
They only steer things in a direction that suits their own interests...<\/p>\n
It really is getting on my nerves.<\/p>\n
I think the media, in particular, needs to be neutral, but there\u2019s just too much bias.<\/p>\n
They're really obsessed with figuring out how to knock people down, aren't they?<\/p>\n
It starts to look like a profession that no one should choose.<\/p>\n
I'm sure there are some who are taking it seriously, but it really is a pity.<\/p>\n
That's fine as far as the company is concerned.<\/p>\n
Well, as long as it\u2019s for the betterment of Japan, I\u2019ll definitely give it my full support!<\/p>\n
If that's for the sake of the future.<\/p>\n
I really wish the media would do a better job!!<\/p>\n
<\/p>\n
This is a continuation of the previous post.<\/p>\n
3. L-shaped Retaining Wall<\/h3>\n
It gives you a much greater sense of security compared to stone or concrete blocks, doesn't it?<\/p>\n
![\"House](\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2025\/10\/791579e6d042df9b78f1c3bd25fc88bc.png\")
<\/p>\n
The house itself is sitting on top of it, and the backfill is also resisting the force that is trying to topple the retaining wall.<\/p>\n
With this, it'll definitely be fine!<\/p>\n
That's what you're thinking, right?<\/p>\n
<\/p>\n
But you can't take this lightly!<\/p>\n
That's because we've completed several projects involving this type of L-shaped retaining wall.<\/p>\n
I\u2019ve written on my blog before, thinking, \u201cI bet we\u2019ll see more construction projects like this in the future,\u201d and sure enough, they really are on the rise!<\/p>\n
<\/p>\n
It can't withstand the earth pressure, so it breaks at the bottom of the L-shape and gradually starts to topple over.<\/p>\n
It won\u2019t collapse all at once with a loud crash, but if the broken internal rebar corrodes, there\u2019s a high probability it will collapse suddenly.<\/p>\n
So, if you notice any signs that a structure is starting to collapse\u2014such as cracks or tilting\u2014it\u2019s important to take action as soon as possible.<\/p>\n
<\/p>\n
The cause of the collapse is earth pressure (water).<\/p>\n
In short, due to sudden heavy rain or other factors, a load exceeding the originally anticipated live load (from houses, etc.) exerted pressure on the side walls of the L-shaped retaining wall!!<\/p>\n
Retaining walls bear the load across their entire surface.<\/p>\n
L-shaped retaining walls are generally referred to as \"prefabricated products,\" and<\/p>\n
Sizes are standardized for each specification to facilitate transportation and installation.<\/p>\n
For example, placing \u25cb\u25cb units with a horizontal pitch of 1,500 mm.<\/p>\n
Think of it as placing about 10 of them for a 15-meter installation length.<\/p>\n
If a concentrated load is applied to a single point, there is a high likelihood that it will break easily.<\/p>\n
And that it will gradually spread to those around them as well.<\/p>\n
It is rare for it to be pushed by plants or the like.<\/p>\n
<\/p>\n
4. Gravity Retaining Wall<\/h3>\n
![\"Gravity](\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2025\/10\/4332b6c7a5966da59b645bee9a485b16.jpg\")
<\/p>\n
This is the strongest\u2014and most expensive\u2014retaining wall, isn't it?<\/p>\n
If possible, this is the best option.<\/p>\n
Not only are the construction costs high, but the scope of work is also extensive.<\/p>\n
The taller the building, the larger the foundation becomes.<\/p>\n
<\/p>\n
That means the cost will skyrocket accordingly.<\/p>\n
However,It offers unparalleled peace of mind<\/strong>That's it!<\/p>\n![\"Gravity](\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2025\/10\/465788d83a65be630712fbbe23b1a26e.png\")
<\/p>\n
This type of construction is quite common in public works projects.<\/p>\n
Since there are many civil engineering firms capable of carrying out this type of work, it is not considered specialized construction.<\/p>\n
That said, there\u2019s definitely a good chance it\u2019ll cost more than a house, lol.<\/p>\n
<\/p>\n
While the likelihood of a gravity retaining wall collapsing is quite low, there is a risk of settlement in some cases.<\/p>\n
For example, could subsidence caused by liquefaction during an earthquake be a possibility!?<\/p>\n
<\/p>\n
There are virtually no other causes for the collapse; it is believed to be due to a major earthquake.<\/p>\n
Almost invincible.<\/p>\n
However, if the earth pressure on the mountain side (residential area) increases for any reason, there may be some variation.<\/p>\n
There was only one instance in the past where a slight displacement occurred, and we performed additional work to address it.<\/p>\n
<\/p>\n
Next time, I plan to write about the remedial work being done on each retaining wall.<\/p>\n
<\/p>\n
See you later.<\/p>","protected":false},"excerpt":{"rendered":"
Hello, everyone. This is Enta. \u201cRetaining Wall Reinforcement from a Slope Engineer\u2019s Perspective (Part 1)\u201d \u201cRetaining Wall Reinforcement from a Slope Engineer\u2019s Perspective (Part 2): Types of Retaining Walls\u201d If Takaichi Becomes Prime Minister, the Japanese Media Will All Jump on Every Little Mistake! It\u2019s already started, hasn\u2019t it? The media refuses to acknowledge any positive progress. Their own\u2026<\/p>","protected":false},"author":2,"featured_media":56040,"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":[7024],"tags":[3428,7025],"class_list":["post-56184","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-retaining-wall","tag-3428","tag-7025"],"acf":[],"yoast_head":"\n
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