{"id":48843,"date":"2023-04-15T08:00:34","date_gmt":"2023-04-14T23:00:34","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=48843"},"modified":"2026-05-17T13:51:14","modified_gmt":"2026-05-17T04:51:14","slug":"pengukuran-panjang-lubang","status":"publish","type":"post","link":"https:\/\/norimen.net\/id\/hole-length-measurement\/","title":{"rendered":"Metode dan Prinsip Pengukuran Panjang Lubang Bor"},"content":{"rendered":"<p>Halo semuanya.<\/p>\n<p>Ini Enta.<\/p>\n<p>Karena cukup banyak orang yang bingung dengan konsep panjang pengeboran, saya ingin menjelaskannya.<\/p>\n<p>&nbsp;<\/p>\n<p>Saya akan mulai membahasnya dari hal yang paling mendasar.<\/p>\n<p>Panjang pengeboran adalah panjang lubang yang telah dibor.<\/p>\n<p>Lalu, mengapa pengukuran panjang lubang bor sulit dipahami?<\/p>\n<p>Itu karena masih ada sisa kain!<\/p>\n<p>&nbsp;<\/p>\n<p>Bagi yang belum pernah mendengarnya, mungkin bakal berpikir, \u201cBahkan sisa panjangnya pun????\u201d ya, hehe.<\/p>\n<p>Panjang casing untuk pengeboran adalah 1,5 m.<\/p>\n<p>Namun, mengingat karakteristik mesin tersebut, anggaplah bahwa pengeboran tidak dapat dilakukan pada kedalaman lebih dari 1,2 m.<\/p>\n<p>Artinya, masih ada sisa 0,3 m.<\/p>\n<p>Sisa ini terjadi karena alat berat tersebut tidak dapat mendekati gunung karena kendala perancah (tidak dapat mendekat) atau karena karakteristik alat berat tersebut sehingga tidak dapat mendekati gunung lebih jauh lagi.<\/p>\n<p>Dalam hal ini, panjang totalnya 1,5 m, tetapi panjang lubang bornya 1,2 m, sehingga sisa panjangnya adalah 0,3 m.<\/p>\n<p>&nbsp;<\/p>\n<p>Mari kita ambil contoh dari proses pengeboran lubang jangkar yang sebenarnya.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-39243\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/9195913ba580195d375e5b74029bffe8-600x460.jpg\" alt=\"Pengukuran Panjang Lubang Bor\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/9195913ba580195d375e5b74029bffe8.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/9195913ba580195d375e5b74029bffe8-300x230.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Sedang mengukur panjang lubang bor.<\/p>\n<p>Tongkat pengukur telah dimasukkan hingga ke bagian paling bawah casing.<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-39246\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/34c46c8ec11a50a43e06ddcf89b727e4-600x450.png\" alt=\"Cara mengukur panjang lubang bor\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/34c46c8ec11a50a43e06ddcf89b727e4.png 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/34c46c8ec11a50a43e06ddcf89b727e4-300x225.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Jika foto di atas digambar, hasilnya akan seperti ini, ya.<\/p>\n<p>Panah hitam menunjukkan sisa panjang, sedangkan panah biru muda menunjukkan panjang keseluruhan.<\/p>\n<p>&nbsp;<\/p>\n<p>Sering ada yang bertanya, \u201cBagaimana kontraktor utama memasukkan tongkat pengukur itu?\u201d, tetapi prinsipnya sederhana.<\/p>\n<p>Hanya memasang pita pengukur di ujung Super Yellow.<\/p>\n<p>Kemudian, saat mencapai dasar, tarik sedikit pita pengukur sehingga pita tersebut menjadi kencang, sehingga Anda dapat mengukur kedalamannya.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8300\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/10\/cbc6bff073b991eda885be857093ab0b.jpg\" alt=\"Pengukuran Panjang Lubang Bor Super Yellow\" width=\"375\" height=\"500\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/10\/cbc6bff073b991eda885be857093ab0b.jpg 375w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/10\/cbc6bff073b991eda885be857093ab0b-225x300.jpg 225w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><\/p>\n<p>Panjang lubang bor adalah angka yang diperoleh dengan mengurangkan bagian casing yang menonjol dari permukaan tanah (panah hitam) dari panjang total casing (panah biru muda).<\/p>\n<p>Dalam kasus foto di atas,<\/p>\n<p>Tongkat pengukur: 26,53 m (panah biru muda)<\/p>\n<p>Sisa panjang: 1,20 m (panah hitam)<\/p>\n<p>Panjang lubang bor: 25,33 m (berdasarkan ketebalan beton semprot)<\/p>\n<p>&nbsp;<\/p>\n<p>Hasilnya akan seperti ini. (Terkadang struktur bangunan dikecualikan.)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-39244\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/346ae9bfcdaa01105ebca5d0f964f3b4-600x460.png\" alt=\"Pengukuran Panjang Lubang Bor\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/346ae9bfcdaa01105ebca5d0f964f3b4.png 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/346ae9bfcdaa01105ebca5d0f964f3b4-300x230.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Silakan lihat foto ini.<\/p>\n<p>Ini juga foto yang diambil dari ketinggian 26,53 m.<\/p>\n<p>Apakah Anda bisa langsung mengetahuinya?<\/p>\n<p>Karena angka 26,6 m terlihat, maka mulai dari skala tersebut: 9... 8... 7... 6... 5... 4... 3...<\/p>\n<p>Baru setelah menghitungnya kita baru mengerti, kan?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-39245\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/c4ac585a04982d0a777590b169fb9f6f-600x450.png\" alt=\"Cara mengukur panjang lubang bor\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/c4ac585a04982d0a777590b169fb9f6f.png 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/c4ac585a04982d0a777590b169fb9f6f-300x225.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Ini adalah gambar yang menunjukkan kondisi yang sama seperti pada foto di atas.<\/p>\n<p>Terdapat tongkat pengukur (yang dimasukkan hingga bagian paling bawah), dan sisa panjang casing diukur menggunakan penggaris kotak.<\/p>\n<p>&nbsp;<\/p>\n<p>Wah, sepertinya bakal ada yang bilang, \u201cEh, ini kan biasa aja!\u201d, tapi ya memang biasa sih w<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-39247\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/d7c5c30038f0f37c68587282a143a744-600x460.png\" alt=\"Pengukuran Panjang Lubang Bor\" width=\"600\" height=\"460\" \/><\/p>\n<p>Lalu, bagaimana kalau yang ini?<\/p>\n<p>Angkanya memang berbeda dari tadi, tapi bukankah posisi pengukurannya juga berbeda?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-39248\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/769af600e0c9e390bb7f9d5baaffb938-600x460.png\" alt=\"Pengukuran Panjang Lubang Bor - Perbarui\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/769af600e0c9e390bb7f9d5baaffb938.png 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/769af600e0c9e390bb7f9d5baaffb938-300x230.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Silakan baca skala tersebut.<\/p>\n<p>Bagaimana menurut Anda?<\/p>\n<p>Mana yang lebih mudah dipahami?<\/p>\n<p>Kalau angka di bawah pita pengukur bisa dibaca, langsung bisa diketahui dalam sekejap, kan?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-39242\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/c4003053370d7c1ab91c5e5cc8a3698b-600x450.png\" alt=\"Cara mengukur panjang lubang bor\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/c4003053370d7c1ab91c5e5cc8a3698b.png 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/06\/c4003053370d7c1ab91c5e5cc8a3698b-300x225.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Jika digambar, kira-kira seperti ini.<\/p>\n<p>&nbsp;<\/p>\n<p>Intinya, yang ingin saya sampaikan adalah tidak perlu terlalu mempermasalahkan panjang bagian casing yang menonjol.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 150%;\"><strong><span style=\"color: #ff0000;\">Hal terpenting dalam foto pengendalian hasil kerja adalah kejelasan!<\/span><\/strong><\/span><\/p>\n<p>Kalau fotonya langsung kelihatan sekilas, petugas pemeriksa pun bakal langsung lewat aja, haha.<\/p>\n<p>Artinya, foto yang membuat kita berpikir, \u201cHm? Ini...,\u201d itu sulit dipahami.<\/p>\n<p>&nbsp;<\/p>\n<p>Memang sering ada, sih, sutradara yang sangat memperhatikan panjang casing. \u201cCasingnya harus pas persis sesuai panjang yang direncanakan!\u201d haha<\/p>\n<p>Saya tidak mengatakan itu buruk. Apakah Anda melakukannya karena menganggap itu hal yang wajar? Atau mungkin Anda menganggap itu mudah dipahami.<\/p>\n<p>Namun, pada akhirnya, yang melakukan pemeriksaan dan penilaian bukanlah pengawas dari kontraktor utama atau petugas dinas terkait, melainkan inspektur.<\/p>\n<p>Kalau bisa memotret sedemikian rupa hingga membuat penguji kehabisan akal, nilai pasti bakal naik juga, ya! w<\/p>\n<p>&nbsp;<\/p>\n<p>Sampai jumpa lagi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Halo semuanya. Ini Enta. Karena cukup banyak yang masih bingung dengan konsep panjang lubang bor, saya ingin menjelaskannya.   Saya akan memulainya dari dasar. Panjang lubang bor adalah panjang lubang yang telah dibor. Lalu, mengapa pengukuran panjang lubang bor sulit dipahami? Itu karena sisa panjang\u2026<\/p>","protected":false},"author":2,"featured_media":6161,"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":[28,30,40],"tags":[48,97,116,221,1240,1807,2440],"class_list":["post-48843","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ground-anchor","category-lock-bolt","category-as-built","tag-48","tag-97","tag-116","tag-221","tag-1240","tag-1807","tag-2440"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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