{"id":46732,"date":"2022-04-12T08:00:17","date_gmt":"2022-04-11T23:00:17","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=46732"},"modified":"2026-05-17T11:15:06","modified_gmt":"2026-05-17T02:15:06","slug":"metode-injeksi-tulangan-baja-dengan-selubung-ganda","status":"publish","type":"post","link":"https:\/\/norimen.net\/id\/rebar-double-casing-injection-method\/","title":{"rendered":"Mempertimbangkan apakah akan melakukan injeksi sekaligus pada pengeboran pipa ganda dalam pekerjaan pemasangan tulangan, atau melakukan injeksi satu per satu"},"content":{"rendered":"<p>Halo semuanya<\/p>\n<p>Ini Enta.<\/p>\n<p>Karena pertanyaan ini sering diajukan, saya akan membahasnya lagi kali ini.<\/p>\n<p><span style=\"font-size: 130%;\"><strong><span style=\"color: #ff0000;\">\u201cPenyuntikan grout saat pengeboran pipa ganda pada pekerjaan pemasangan tulangan baja\u201d<\/span><\/strong><\/span><\/p>\n<p>Wah, pertanyaan ini memang sering banget ditanyakan!<\/p>\n<p>Apakah disuntikkan satu per satu?<\/p>\n<p>Apakah tidak ada masalah jika dilakukan injeksi sekaligus?<\/p>\n<p>Apakah ada literatur tentang hal ini di suatu tempat?<\/p>\n<p>dan sebagainya.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6359\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/03\/IMG_1868.jpg\" alt=\"Kondisi Injeksi Grout pada Baut Pengunci Lubang Bor Mandiri\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/03\/IMG_1868.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/03\/IMG_1868-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Kali ini aku bakal nulisnya dengan lengkap, jadi tolong diingat ya w<\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #0000ff;\">1. Mengapa menggunakan pengeboran pipa ganda?<\/span><\/strong><\/p>\n<p>Pada pengeboran tunggal (kondisi lapangan I), tulangan tidak dapat dimasukkan setelah pengeboran selesai. (Konsep desain)<\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #0000ff;\">2. Apakah perlu disuntikkan satu per satu?<\/span><\/strong><\/p>\n<p>Jika gunung itu berdiri sendiri, hal itu tidak perlu, tapi...<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><strong>Mengenai poin 1<\/strong><\/span><\/p>\n<p>Sesuai dengan namanya, \u201cpekerjaan penyisipan tulangan\u201d, metode ini melibatkan penyisipan tulangan yang kemudian dipadatkan dengan campuran semen cair. (Pemadatan menyeluruh)<\/p>\n<p>Pada dasarnya, jika tulangan baja tidak dimasukkan, maka tidak ada gunanya; oleh karena itu, jika tulangan baja tidak dapat dimasukkan melalui pengeboran tunggal, maka akan dilakukan pengeboran ganda.<\/p>\n<p>Namun, saat melakukan pengeboran dengan pipa ganda, sering kali terjadi bahwa tanah di sekitar lubang bor mengalami konsolidasi akibat putaran, benturan, dan gesekan casing, sehingga dinding lubang bor menjadi kokoh dan dapat berdiri sendiri.<\/p>\n<p>Dalam hal ini, selang injeksi dapat dililitkan pada tulangan baja lalu dimasukkan ke dalam lubang, sehingga injeksi dapat dilakukan secara sekaligus.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><strong>Mengenai poin 2<\/strong><\/span><\/p>\n<p>Kebutuhan untuk menyuntikkan satu dosis itu sebenarnya muncul begitu saja tanpa alasan yang jelas, tetapi,<\/p>\n<p>Mungkin karena metode pemasangan tiang jangkar tanah menggunakan pipa ganda sama, sehingga ada seseorang yang mengatakan hal itu.<\/p>\n<p>Namun, seperti yang telah disebutkan di atas, jika dilakukan pemasangan pipa ganda pada pekerjaan pemasangan tulangan baja,<\/p>\n<p>Karena sering kali dapat berdiri sendiri, penyuntikan massal dapat dilakukan dengan baik. (Ini hanyalah kesimpulan berdasarkan hasil selama proses pengerjaan)<\/p>\n<p>&nbsp;<\/p>\n<p>Pada pengeboran tunggal, injeksi terpusat pada dasarnya selalu dilakukan. (Itu satu-satunya cara yang bisa dilakukan.)<\/p>\n<p>Namun, begitu menjadi pipa ganda, pasti Anda akan bertanya-tanya, \u201cMaksudnya apa sih, hanya menyuntikkan satu?\u201d kan?<\/p>\n<p>Aku juga jadi ??? w<\/p>\n<p>Baik itu single maupun double, mengapa hanya beda diameter lubangnya saja?<\/p>\n<p>Seharusnya pemilihan metode konstruksi ini didasarkan pada apakah tulangan baja dapat dimasukkan atau tidak.<\/p>\n<p>&nbsp;<\/p>\n<p>Artinya, hal ini juga dapat diartikan bahwa dalam proses pengisian massal, selama selang pengisian sudah terpasang, tidak akan ada masalah sama sekali.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-45751\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2021\/11\/2021-09-21-09.26.44-1.jpg\" alt=\"Pekerja Pemasangan Tulangan Baja\" width=\"600\" height=\"450\" \/><\/p>\n<p><span style=\"font-size: 300%;\"><strong><span style=\"color: #ff0000;\">Namun,<\/span><\/strong><\/span>Kalau menggunakan metode konstruksi ground anchor, berarti hanya perlu melakukan injeksi satu batang saja, ya w<\/p>\n<p>&nbsp;<\/p>\n<p>Secara pribadi, saya tidak keberatan dengan pilihan mana pun, tetapi hal itu akan menurunkan efisiensi pengerjaan dan menaikkan jumlah perkiraan biaya.<\/p>\n<p>Selain itu, beban biaya bahan baku bagi pihak yang membeli bahan baku juga akan semakin besar.<\/p>\n<p>Untuk melakukan satu kali injeksi, bahan campuran harus diganti dari Leobild menjadi FT700. (Harga satuan sedikit naik)<\/p>\n<p>Kekuatan akhir mungkin tidak banyak berubah, tetapi kekuatan selama satu minggu dan sebagainya mungkin akan menunjukkan perbedaan yang cukup signifikan (tergantung suhu dan kondisi lainnya)<\/p>\n<p>Karena proses pemeriksaan kekuatan tertunda, pemasangan (pengencangan mur) pun sedikit terlambat. (Ya, ini memang sedikit dilebih-lebihkan.)<\/p>\n<p>Adapun untuk subkontraktor, karena mixer grout menjadi kotor (mengeras), maka diperlukan pekerjaan pembersihan setelah penyelesaian pekerjaan.<\/p>\n<p>Jika pekerjaan pengamplasan diserahkan kepada pihak luar untuk perawatan, biayanya saja bisa mencapai sekitar 100.000.<\/p>\n<p>&nbsp;<\/p>\n<p>Pada akhirnya, keduanya sama saja, tetapi pemberian satu dosis akan meningkatkan biaya.<\/p>\n<p>Seingat saya, di Prefektur Fukui memang semuanya menggunakan satu suntikan sebagai aturan dasarnya!<\/p>\n<p>Katanya, pengawas akan terus-menerus mengawasi proses pengerjaan, lho? w (Saya dengar begitu, tapi benarkah ya? w)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3288\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/05\/5a438c775b3090b2231fca46841adda9.jpg\" alt=\"spesimen uji\" width=\"600\" height=\"460\" \/><\/p>\n<p>Terlepas dari situasi apa pun saat melakukan injeksi,<\/p>\n<p>Untuk sampel uji, harap catat waktu AM\/PM dan ambil foto dengan jelas saat proses injeksi (Anda mengerti maksudnya, kan?)<\/p>\n<p>&nbsp;<\/p>\n<p>Dan satu hal penting lainnya adalah, setelah penyuntikan, silakan goyangkan tulangan baja tersebut!<\/p>\n<p>Arti kata \u201cshaku\u201d adalah mengayunkan ke atas, ke bawah, ke kiri, dan ke kanan, dan,<\/p>\n<p>Dengan mengaduk, kita dapat meningkatkan ikatan antara campuran semen dan tulangan baja.<\/p>\n<p>Dengan begitu, Anda dapat memastikan bahwa campuran semen dapat disuntikkan dengan baik, serta mencegah terjadinya kesalahan dalam pengerjaan.<\/p>\n<p>&nbsp;<\/p>\n<p>Karena pilihan metode pengerjaan mana yang akan digunakan bergantung pada pertimbangan pengawas kontraktor utama, saya tidak bisa mengatakan yang mana, tetapi,<\/p>\n<p>Sebenarnya, pengeboran tunggal dan pengeboran pipa ganda itu sama saja.<\/p>\n<p>Artinya, bukan berarti cukup hanya dengan mengubah diameternya saja, dan juga tidak bisa menggunakan konsep yang sama seperti pada konstruksi jangkar tanah.<\/p>\n<p>Jelas saja, karena ini jenis pekerjaan yang berbeda dan cara pandangnya pun berbeda.<\/p>\n<p>Pastikan selang pengisian dipegang dengan kuat, lalu lakukan pengisian dari bagian bawah! (Ini wajib!!)<\/p>\n<p>Dan, saya rasa belum ada buku yang membahas hal ini.<\/p>\n<p>Apakah ada tertulis di NEXCO??<\/p>\n<p>Kalau ada yang tahu, tolong beri tahu saya.<\/p>\n<p>&nbsp;<\/p>\n<p>Sampai jumpa lagi.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"LtJUeGetGe\"><p><a href=\"https:\/\/norimen.net\/id\/norimen-berbagai-metode-pengeboran-3\/\">Berbagai Metode Pengeboran pada Lereng (Bagian 3)<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201cBerbagai Metode Pengeboran pada Lereng (Bagian 3)\u201d \u2014 Sekolah Manajemen Lereng Shin-Enta\" src=\"https:\/\/norimen.net\/norimen-various-drilling-methods-3\/embed\/#?secret=k7V46Cceem#?secret=LtJUeGetGe\" data-secret=\"LtJUeGetGe\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>","protected":false},"excerpt":{"rendered":"<p>Halo semuanya, ini Enta. Karena pertanyaan ini sering diajukan, saya akan membahasnya lagi kali ini. \u201cPenyuntikan grout saat pengeboran pipa ganda dalam pekerjaan pemasangan tulangan baja\u201d Pertanyaan ini benar-benar sering ditanyakan! Apakah penyuntikan dilakukan satu per satu? Apakah penyuntikan sekaligus tidak menjadi masalah? Apakah ada literatur tentang hal ini? Dan sebagainya\u2026<\/p>","protected":false},"author":2,"featured_media":40113,"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":[44,49,116,409,426,1000],"class_list":["post-46732","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lock-bolt","tag-44","tag-49","tag-116","tag-409","tag-426","tag-1000"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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