{"id":2988,"date":"2017-04-13T08:00:21","date_gmt":"2017-04-12T23:00:21","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=2988"},"modified":"2026-05-15T19:55:31","modified_gmt":"2026-05-15T10:55:31","slug":"spray-concrete-air-slump-test","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/spray-concrete-air-slump-test\/","title":{"rendered":"Correlation Between Air Content, Slump, and Discharge Rate in Shotcrete"},"content":{"rendered":"

Hello, everyone.<\/p>\n

This is Enta.<\/p>\n

For one reason or another, things are starting to get really hectic now that Golden Week is over.<\/p>\n

Machine maintenance is finally proceeding smoothly.<\/p>\n

Starting today, I'm going to take apart the motor of the squeeze pump to find the source of the unusual noise.<\/p>\n

It's because I've been swamped with desk work and I really need a change of pace lol<\/p>\n

Lately, tinkering with machines has been a great way to take my mind off things, lol.<\/p>\n

\"\"<\/p>\n

 <\/p>\n

While I was checking the airflow,<\/p>\n

I\u2019d like to share an interesting finding from a research paper.<\/p>\n

Cold Region Civil Engineering Research Institute<\/strong><\/span><\/a><\/span><\/span><\/p>\n

It's this paper on the website mentioned above.<\/p>\n

Sprayed concrete designed to prevent the weathering of bedrock
\n<\/strong><\/span><\/a><\/span><\/span>Basic Research on Spray Application Properties<\/strong><\/span><\/a><\/span><\/span><\/p>\n

Even just reading the summary is educational.<\/p>\n

The Japan Society of Civil Engineers<\/strong><\/span><\/a><\/span><\/span><\/p>\n

It's this paper on the website mentioned above.<\/p>\n

A Study on Changes in Slump and Air Content of Shotcrete Before and After Pumping<\/strong><\/span><\/a><\/span><\/span><\/p>\n

It's really interesting when the things we do on a daily basis are recognized academically.<\/p>\n

I suppose this is why civil engineering is often described as an empirical field.
\n(This means that standards are established by quantifying experience.)<\/p>\n

Civil engineering really is a deep and complex field.<\/strong><\/span><\/span><\/p>\n

\"There's<\/a><\/div>\n

Engineers should be made more aware of papers, literature, and experimental data like this, and I hope we can publish them more and more, but,<\/p>\n

After all, unless you do your own research and try things out for yourself,<\/p>\n

It's really hard to remember, isn't it? (And I've been forgetting things a lot lately, too.)<\/p>\n

It\u2019s kind of pathetic that my brain tells me, \u201cLet\u2019s take it easy!\u201d and I actually listen to it.<\/p>\n

We'll provide you with even more information on slopes!<\/p>\n

 <\/p>\n

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

Hello, everyone. This is Enta. Things are really starting to get hectic now that Golden Week is over. The equipment maintenance is finally wrapping up smoothly. Starting today, I\u2019ll be taking apart the motor on the squeeze pump to investigate the source of the unusual noise. That\u2019s because I\u2019ve been swamped with office work and need a change of pace\u2026<\/p>","protected":false},"author":2,"featured_media":2993,"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":[36,1],"tags":[295,296,297],"class_list":["post-2988","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quality","category-others","tag-295","tag-296","tag-297"],"acf":[],"yoast_head":"\n\u5439\u4ed8\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u306e\u7a7a\u6c17\u91cf\u30fb\u30b9\u30e9\u30f3\u30d7\u30fb\u5410\u51fa\u91cf\u306e\u76f8\u95a2 - 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