{"id":50026,"date":"2023-11-02T08:00:26","date_gmt":"2023-11-01T23:00:26","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=50026"},"modified":"2026-05-16T22:46:42","modified_gmt":"2026-05-16T13:46:42","slug":"lubang-tekukan-rotari-perkusi-1","status":"publish","type":"post","link":"https:\/\/norimen.net\/id\/rotary-percussion-hole-bend-1\/","title":{"rendered":"Mengenai kelengkungan lubang saat pengeboran pada perkusi rotari"},"content":{"rendered":"<p>Halo semuanya.<\/p>\n<p>Ini Enta.<\/p>\n<p>Saya telah menulis mengenai sudut pengeboran dalam pekerjaan pengeboran untuk pengeringan.<\/p>\n<p><a title=\"Bagaimana konsep sudut dalam pekerjaan pengeboran untuk pengeringan?\" href=\"https:\/\/norimen.net\/id\/sudut-pengeboran-saluran-pembuangan-air-2\/\" target=\"_blank\" rel=\"noopener\">Bagaimana konsep sudut dalam pekerjaan pengeboran untuk pengeringan?<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Sehubungan dengan hal tersebut, kami menerima pertanyaan mengenai kelengkungan lubang pada casing.<\/p>\n<p>Saya ingin mencoba memikirkannya berdasarkan bahan-bahan tersebut.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50027\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/11\/2023-11-01-19.41.10.jpg\" alt=\"Pembengkokan lubang pada jangkar panjang\" width=\"600\" height=\"326\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/11\/2023-11-01-19.41.10.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/11\/2023-11-01-19.41.10-300x163.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Tampaknya penelitian ini menggunakan casing berdiameter 115 mm, 135 mm, dan 165 mm.<\/p>\n<p>&nbsp;<\/p>\n<p>Sebenarnya, saya rasa hal ini sangat bergantung pada jenis tanahnya, tetapi jika tanahnya lunak, saya rasa pipa akan melengkung.<\/p>\n<p>Jika keras, mungkin akan sulit untuk membalikkan?<\/p>\n<p>Dapat dilihat bahwa semua casing tersebut hampir lurus hingga kedalaman sekitar 20 m, dan mulai melengkung setelah melewati kedalaman 30 m.<\/p>\n<p>&nbsp;<\/p>\n<p>Karena penekukan sebagian besar disebabkan oleh berat casing, maka semakin ke atas\u2014dibandingkan dengan posisi horizontal\u2014lubang bor dibuat,<\/p>\n<p>Artinya, mulai dari kedalaman sekitar 30 meter, pengeboran menjadi sulit dan lubang bor mudah tertimbun oleh tanah, bukan?<\/p>\n<p>&nbsp;<\/p>\n<p>Jika diasumsikan bahwa pada tahap pengeboran sedalam 60 m, kedalaman akan berkurang sekitar 1 m,<\/p>\n<p>Bahkan jika memperhitungkan bahwa kedalaman sumur akan berkurang 1 meter setiap 60 meter dengan sudut pengeboran 3 derajat ke atas,<\/p>\n<p><strong><span style=\"color: #0000ff;\">(60 m \u00d7 tan 3\u00b0) = 3,14 m \u2013 1,0 m = 2,14 m<\/span><\/strong><\/p>\n<p>Artinya, jaraknya sekitar 2,1 m ke arah atas.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49700\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/09\/2023-09-05-11.44.38.jpg\" alt=\"selubung\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/09\/2023-09-05-11.44.38.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/09\/2023-09-05-11.44.38-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Namun, hal ini hanya berlaku jika menggunakan casing berdiameter 115 mm atau lebih, sehingga,<\/p>\n<p>Jika casing-nya berukuran 90 mm, sepertinya kedalamannya akan sedikit lebih dangkal.<\/p>\n<p>&nbsp;<\/p>\n<p>Dokumen ini,<\/p>\n<p><span style=\"font-size: 120%;\"><strong><span style=\"color: #0000ff;\">Penasihat Penelitian, Lembaga Penelitian Teknologi Jalan Layang Terpadu<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-size: 120%;\"><strong><span style=\"color: #0000ff;\">Prof. Seiji Okuzono, Anggota Kehormatan Asosiasi Teknik Geoteknik dan Asosiasi Geologi Terapan Jepang<\/span><\/strong><\/span><\/p>\n<p>Saya telah menerima dokumen tersebut.<\/p>\n<p>&nbsp;<\/p>\n<p>Seharusnya, dengan menggunakan selubung berdiameter 90 mm dan memasukkan sensor giroskop ke dalamnya untuk memeriksa beberapa titik, kita sudah bisa mengetahui secara umum, tetapi,<\/p>\n<p>Nggak menghasilkan uang sih, hahaha<\/p>\n<p>Yah, menurut saya, jika ada data yang cukup umum, prediksi akan lebih mudah dilakukan, jadi menurut saya itu bagus.<\/p>\n<p>&nbsp;<\/p>\n<p>Sampai jumpa lagi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Halo semuanya. Ini Enta. Saya telah menulis mengenai sudut pengeboran dalam pekerjaan pengeboran drainase. Bagaimana konsep sudut dalam pekerjaan pengeboran drainase?    Sehubungan dengan itu, saya menerima pertanyaan mengenai kelengkungan lubang pada casing. Saya ingin mencoba menganalisisnya berdasarkan bahan referensi tersebut\u2026<\/p>","protected":false},"author":2,"featured_media":38158,"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":[90,28],"tags":[1762,1778,5934,5935],"class_list":["post-50026","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-drain-boring","category-ground-anchor","tag-1762","tag-1778","tag-5934","tag-5935"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - 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