{"id":8620,"date":"2018-12-04T08:00:42","date_gmt":"2018-12-03T23:00:42","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=8620"},"modified":"2026-05-17T15:01:44","modified_gmt":"2026-05-17T06:01:44","slug":"jangkar-air-tanah-ledakan-pasir-1","status":"publish","type":"post","link":"https:\/\/norimen.net\/id\/anchor-underground-water-sand-blowup-1\/","title":{"rendered":"Tindakan Pencegahan Terjadinya Pasir yang Terlempar Akibat Tekanan Air Tanah dalam Pekerjaan Pemasangan Jangkar (Bagian 1)"},"content":{"rendered":"<p>Halo semuanya.<\/p>\n<p>Ini Enta.<\/p>\n<p>Beberapa hari yang lalu, saya mencoba bersama seorang karyawan untuk melihat apakah saya bisa mengangkat casing pipa ganda 133 sendirian!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8621\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/12\/youtsu_man.png\" alt=\"Nyeri punggung\" width=\"328\" height=\"500\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/12\/youtsu_man.png 328w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/12\/youtsu_man-197x300.png 197w\" sizes=\"auto, (max-width: 328px) 100vw, 328px\" \/><\/p>\n<p>Tentu saja, begitulah yang terjadi pada saya\u2026\u2026<\/p>\n<hr \/>\n<p>Kembali ke topik utama<\/p>\n<h2>Tindakan pencegahan terhadap terangkatnya pasir akibat tekanan air tanah yang sering terjadi pada jangkar sementara<\/h2>\n<p>Proyek yang dikerjakan minggu lalu lumayan bikin pusing, nih~ w<\/p>\n<p>&nbsp;<\/p>\n<p>Diameter lubang bor: \u03c6135<\/p>\n<p>Panjang keseluruhan: 15 m<\/p>\n<p>Mesin: Mesin pemukul tipe crawler (RPD3A-130C3A)<\/p>\n<p>Jenis tanah: kerikil dan pasir<\/p>\n<p>&nbsp;<\/p>\n<p>Pekerjaan akan dilakukan seperti biasa.<\/p>\n<p>Sekitar saat melampaui 7 meter, sinyalnya tiba-tiba mengalami gangguan sekitar 2 hingga 3 meter.<\/p>\n<p>Air bor memang naik ke atas. (Sedikit)<\/p>\n<p>Untuk jangkar sekelas ini, tenaga mesin masih sangat berlebih jadi seharusnya tidak ada masalah, tapi jangkarnya dikencangkan sampai sangat kencang.<\/p>\n<p>Jika melewati lapisan ini, maka akan menjadi lapisan pasir sepenuhnya.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-8613\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/11\/2018-11-30-10.58.14-600x450.jpg\" alt=\"Pekerja jangkar, pasir dan kerikil sungai\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/11\/2018-11-30-10.58.14.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/11\/2018-11-30-10.58.14-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Penyebabnya adalah kerikil sungai ini, seperti yang sudah saya tulis beberapa hari yang lalu.<\/p>\n<p>Benda ini sering masuk banyak ke sela-sela antara pakaian luar dan dalam, lalu tersangkut di sana. (Ukurannya terlalu besar untuk keluar dari swivel)<\/p>\n<p>Saya sudah mulai memahami kira-kira kapan waktunya, jadi selama tidak mengabaikan pembersihan bagian dalam casing, tidak akan ada masalah.<\/p>\n<p>&nbsp;<\/p>\n<p>Lapisan berikutnya adalah lapisan pasir yang memiliki tekanan internal tinggi, sehingga pasirnya terus menerus masuk hingga ke casing bagian dalam.<\/p>\n<p>Bahkan dalam waktu sesingkat apa pun saat menyambungkan pipa ganda, jika Anda lengah, material akan masuk ke pipa bagian dalam dan menyebabkan penyumbatan. (Kerikil sungai juga bisa menyumbat lubang keluaran mata bor bagian dalam.)<\/p>\n<p>Kali ini memang hanya ada 13 buah, tapi sekitar 3 di antaranya pasir di bagian dalamnya tidak bisa dikeluarkan, jadi saya ambil bagian dalamnya saja w<\/p>\n<p>&nbsp;<\/p>\n<p>Pengeboran sedalam 15 m telah selesai.<\/p>\n<p>Masukkan tongkat pengukur. (<span style=\"text-decoration: underline;\"><span style=\"font-size: 14pt;\"><strong><span style=\"color: #0000ff;\"><a style=\"color: #0000ff; text-decoration: underline;\" title=\"Untuk panjang pengeboran, gunakan Super Yellow.\" href=\"https:\/\/norimen.net\/id\/wordpress\/%e5%89%8a%e5%ad%94%e9%95%b7%e3%81%af%e3%82%b9%e3%83%bc%e3%83%91%e3%83%bc%e3%82%a4%e3%82%a8%e3%83%ad%e3%83%bc%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e3%80%82\/\" target=\"_blank\" rel=\"noopener\">Super Yellow: Artikel Sebelumnya<\/a><\/span><\/strong><\/span><\/span>\uff09<\/p>\n<p>Kalau begitu, meskipun dikurangi sisa panjangnya, panjang pengeboran hanya sekitar 13 m saja, lho! w<\/p>\n<p>Kami sedang membersihkan bagian dalam lubang, lho!? Bahkan, pembersihannya cukup teliti.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7928\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/08\/5a4083866c86c52b8c18a23198b206d4-600x460.jpg\" alt=\"Pembersihan bagian dalam casing\" width=\"600\" height=\"460\" \/><\/p>\n<p>Meskipun demikian, pasir tetap terhempas ke dalam casing.<\/p>\n<p>Kalau sudah begini, benar-benar merepotkan, lho.<\/p>\n<p>Masukkan kembali bagian dalam dan gali kembali.<\/p>\n<p>Karena khawatir, saya akan menggali sedikit lebih dalam. (Saya akan menggali lebih dalam dari yang seharusnya.)<\/p>\n<p>Masukkan tongkat pengukur, lalu masukkan.<\/p>\n<p>Hasilnya, ternyata pasir memang terhempas setinggi sekitar 1 meter.<\/p>\n<p>Lapisan pasir memang bikin repot.<\/p>\n<p>&nbsp;<\/p>\n<p>Setelah mencoba berbagai cara, akhirnya kami menyimpulkan bahwa cara ini mungkin yang paling lumayan? w<\/p>\n<p>Cara melakukannya akan saya jelaskan besok.<\/p>\n<p>&nbsp;<\/p>\n<p>Sampai jumpa lagi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Halo semuanya. Ini Enta. Beberapa hari yang lalu, saya mencoba bersama seorang karyawan untuk melihat apakah saya bisa mengangkat casing pipa ganda 133 sendirian! Tentu saja, hasilnya seperti ini... Tapi, kembali ke topik utama. Langkah-langkah pencegahan terhempasnya pasir akibat tekanan air tanah, yang sering terjadi pada jangkar sementara. Lokasi proyek yang kami kerjakan minggu lalu cukup menyulitkan\u2026<\/p>","protected":false},"author":2,"featured_media":8660,"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":[28],"tags":[48,1090,1807,1919,1920,1921,1922],"class_list":["post-8620","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ground-anchor","tag-48","tag-1090","tag-1807","tag-1919","tag-1920","tag-1921","tag-1922"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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