In many cases, it is not possible to perform the work properly.<\/span><\/strong>That's the point.<\/p>\nWhy Can't They Do the Work Properly?<\/h3>\n
Actually, there are many cases where the rock mass in Field Condition II\u2014which is generally considered to be self-supporting\u2014is not self-supporting.<\/p>\n
If it's a dual-bore drilling operation, there won't be any problems, but in the case of single-bore drilling, the only option is to push it in.<\/p>\n
Since we can't add this on the spot, we can't mark it for modification.<\/p>\n
As a result, the only option left is to push it in.<\/p>\n
A surefire way to do it is<\/h3>\n
A veteran surgeon can create a hole in an instant. (To make it stand on its own.)<\/p>\n
Generally speaking, single-hole drilling is a relatively simple process, so it\u2019s a method that anyone can easily get started with.<\/p>\n
Whether you're doing this for the first time or it's your second time, you can perform the drilling.<\/p>\n
However, it\u2019s worlds apart from the work of an anchor technician with years of drilling experience.<\/p>\n
Speed, safety, and precision in construction.<\/p>\n
Even if it's just a single hole, it's best to leave it to a professional.<\/p>\n
Even so, we want to do it in-house<\/h3>\n
Studying is important, and it\u2019s necessary to take on challenges.<\/p>\n
How can I make the hole self-supporting?<\/p>\n
While gravel, cobblestones, and crushed stone aren't an issue, when dealing with soil and sand, be sure to keep a close eye on the slime.<\/p>\n
When it comes to new operators, they just don't see the slimes at all.<\/p>\n
I'm just staring blankly as the hammer moves along the guide rail.<\/p>\n
Is the slime coming out properly? What about the rotational pressure? What about the feed pressure? What about the air pressure?<\/p>\n
It\u2019s important to keep that in mind and always think about the mountain.<\/p>\n
Cannot enter through the gravel or crushed stone behind the blocks or behind the stone wall.<\/h3>\n
Since that's practically impossible, please drill a hole in that specific section of the casing.<\/p>\n
For example, if there is crushed stone in the first 50 cm, drill about 1 meter using casing, and then continue drilling using the inner drill string.<\/p>\n
The crushed stone section is not blocked off because it has an outer casing.<\/p>\n
If you insert the rebar and remove the formwork, you can ensure a solid construction.<\/p>\n
However, this is difficult to do with machines like inverter chisels. (I wonder if it\u2019s possible to use a double-tube setup these days?)<\/p>\n
What about the grout?<\/h3>\n
The grout is injected from the bottom through a hose secured to the rebar, but it does not rise into the areas filled with crushed stone or gravel.<\/p>\n
At this point, you could either give up and use a rapid-setting agent, mix in some fiber, or make the grout quite stiff,<\/p>\n
Please submit it using one of these methods.<\/p>\n
I think the general rule is to use a stiffer grout.<\/p>\n
<\/p>\n
Drilling is difficult.<\/span><\/strong><\/span><\/p>\n\"I've been drilling for three years!\" But I still have a long way to go.<\/p>\n
Since you can't see what you're doing when drilling, you have to rely on your instincts and the instruments to guide you\u2014it's a field where intuition and experience are key.<\/p>\n
You won't get better that easily, and you won't be able to dig any faster.<\/p>\n
I've been back on site recently and am using a spring drill for the first time in about two years, but it's so scary... lol<\/p>\n
And it's slow, lol.<\/p>\n
It's a total failure.![\"\"](\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/07\/c6f2be88ced486c5bc0fd35eb037afab.jpg\")
<\/p>\n
By the time this job is done, I wonder if I'll be able to remember a little bit... lol<\/p>\n
<\/p>\n
See you later.<\/p>","protected":false},"excerpt":{"rendered":"
Hello, everyone. This is Enta. Here in Aichi Prefecture, we\u2019ve been having heavy rain in various areas for the past few days. The area where I live is relatively\u2014well, there aren\u2019t any mountains here. So there\u2019s no risk of landslides. If the area behind your house is designated as a steep slope zone, you should definitely be extra careful. Landslides\u2026<\/p>","protected":false},"author":2,"featured_media":3868,"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":[30],"tags":[92,116,117,409,504],"class_list":["post-3864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lock-bolt","tag-92","tag-116","tag-117","tag-409","tag-504"],"acf":[],"yoast_head":"\n
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