{"id":6613,"date":"2018-04-21T14:15:05","date_gmt":"2018-04-21T05:15:05","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=6613"},"modified":"2026-05-15T20:42:23","modified_gmt":"2026-05-15T11:42:23","slug":"penyebab-retak-pada-mortar-bagian-1","status":"publish","type":"post","link":"https:\/\/norimen.net\/id\/mortar-crack-cause-part1\/","title":{"rendered":"Mengapa Terjadi Retakan pada Mortar? (Bagian 1) | Mengungkap Penyebabnya"},"content":{"rendered":"<p>Halo semuanya.<\/p>\n<p>Ini Enta.<\/p>\n<p>Entah kenapa, serbuk sari sudah mulai berkurang!<\/p>\n<p>Tidak perlu minum obat, jadi rasanya lebih nyaman, ya.<\/p>\n<p>Saya sangat mengantuk, jadi pada siang dan sore hari saya merasa sangat mengantuk.<\/p>\n<p>Yah, aku memang suka tidur siang sih, hehe<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6614\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/04\/images.jpg\" alt=\"Tidur siang\" width=\"600\" height=\"360\" \/><\/p>\n<p>Tidur siang dianggap sangat bermanfaat.<\/p>\n<p>Dalam survei yang dilakukan terhadap para astronot NASA,<\/p>\n<p><span style=\"font-size: 20px;\"><strong><span style=\"color: #ff0000;\">Tidur siang selama kurang dari 20 menit dapat meningkatkan kemampuan pengambilan keputusan pada sore hari hingga 35 persen<\/span><\/strong><\/span>Benar.<\/p>\n<p>Harap diperhatikan bahwa durasinya tidak boleh lebih dari 20 menit.<\/p>\n<hr \/>\n<p>Kembali ke topik utama<\/p>\n<h3>Mengapa retakan bisa terjadi?<\/h3>\n<p>Baik pada lereng yang baru dibangun maupun yang sudah ada, ada bagian yang retak-retak parah dan ada pula yang tidak.<\/p>\n<p>Saya ingin mencoba menganalisis mengapa retakan pada lapisan semprot dapat terjadi.<\/p>\n<p>(Saya menulis ini semata-mata berdasarkan pengalaman pribadi saya, jadi jika ada hal yang perlu dikoreksi, mohon sampaikan kepada saya.)<\/p>\n<p>&nbsp;<\/p>\n<p>1. Penyemprotan pada saat suhu udara sangat panas<\/p>\n<p>2. Garis-garis batuan pada bagian batuan dan bagian sedimen terlihat jelas.<\/p>\n<p>3. Overhang (bagian dinding batu yang miring dan menjorok ke atas seperti atap.)<\/p>\n<p>4. Terjadi kerugian akibat penyemprotan<\/p>\n<p>5. Spacer berbahan plastik<\/p>\n<p>6. Selama proses penyemprotan, gundukan tanah itu longsor.<\/p>\n<p>7. Suhu udara di tengah malam mendekati 0 derajat (atau di bawah titik beku).<\/p>\n<p>8, Pasirnya buruk.<\/p>\n<p>Mungkin seperti ini, ya?<\/p>\n<p>&nbsp;<\/p>\n<p>Bagian yang paling rentan retak di sini diperkirakan adalah nomor 1, 2, 5, dan 8.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-6617\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/04\/13ebb0413571a7a375abecc9085aec68-600x400.jpg\" alt=\"Kuis tentang Terjadinya Retakan\" width=\"600\" height=\"400\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/04\/13ebb0413571a7a375abecc9085aec68.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/04\/13ebb0413571a7a375abecc9085aec68-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Retakan lebih mudah muncul pada saat suhu tinggi (1) maupun saat suhu tidak tinggi.<\/p>\n<p>Hal itu pun bisa berubah sepanjang hari. Apakah menghindari hal tersebut merupakan hal yang sangat sulit?<\/p>\n<p>Meskipun disiram dengan air sebelum penyemprotan, bahan tersebut tetap mudah meresap.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-6619\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/04\/5c8273756cd2945d4b4607f6967c3e39-600x400.jpg\" alt=\"Lokasi retakan\" width=\"600\" height=\"400\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/04\/5c8273756cd2945d4b4607f6967c3e39.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/04\/5c8273756cd2945d4b4607f6967c3e39-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Garis merah tebal menandakan area yang berisiko tinggi mengalami retakan.<\/p>\n<p><span style=\"font-size: 22px; color: #0000ff;\"><strong>\u201cBukankah semuanya begitu!\u201d<\/strong><\/span><span style=\"font-size: 22px;\"><span style=\"font-size: 16px;\">Sepertinya orang bakal bilang begitu (haha)<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>Pada kasus nomor 2, meskipun berada pada penampang yang sama, jika terdapat endapan tanah, pada saat disemprotkan, endapan tanah tersebut akan menyerap kelembapan mortar pada bagian tersebut, sehingga,<\/p>\n<p>Hal ini menyebabkan perbedaan kekuatan dan kadar air, sehingga timbul retakan.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-6616\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/04\/5553f5b73ceac4b4dcc8bbbcab966975-600x452.jpg\" alt=\"Retakan pada rambut\" width=\"600\" height=\"452\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/04\/5553f5b73ceac4b4dcc8bbbcab966975.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2018\/04\/5553f5b73ceac4b4dcc8bbbcab966975-300x226.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Meskipun hal ini juga berlaku untuk nomor 4, kondisi pasir di nomor 8 memang sangat buruk,<strong><span style=\"color: #0000ff;\">Pasir halus<\/span><\/strong>Jika hal tersebut terjadi, saat disemprotkan<\/p>\n<p>Hal ini akan membuat material lebih mudah tercecer sehingga kerugian pun akan meningkat.<\/p>\n<p>Selain itu, cairan tersebut akan menjadi lebih kental di dalam selang sehingga sulit untuk disemprotkan.<\/p>\n<p>Meskipun hasil akhir yang diperoleh dengan menggunakan spatula terlihat sangat rapi, namun karena bahan mudah menempel pada spatula, hal ini terkadang bisa merepotkan.<\/p>\n<p><strong><span style=\"color: #0000ff;\">Pasir kasar<\/span><\/strong>Dalam hal ini, karena akan lebih mudah terpisah dari semen, saya rasa hal ini juga cenderung meningkatkan kerugian.<\/p>\n<p>Permukaan juga terlihat kasar saat proses penyelesaian dengan besi tempa, sehingga menimbulkan masalah estetika.<\/p>\n<p>Secara pribadi, saya berpendapat bahwa perbandingan campuran pasir untuk penyemprotan sebaiknya sekitar 6:4.<\/p>\n<p><strong>Pasir halus 6 bagian, pasir kasar 4 bagian<\/strong>Begitulah. Mungkin, setengah-setengah juga tidak apa-apa, sih... w<\/p>\n<p>Dulu, saya pernah mendengar bahwa seorang penjual pasir di suatu prefektur pernah melakukan percobaan bersama sebuah perusahaan pengerjaan lereng untuk menentukan komposisi pasir.<\/p>\n<p>&nbsp;<\/p>\n<p>Sampai jumpa lagi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Halo semuanya. Ini Enta. Rasanya, gejala alergi serbuk sari sudah mulai mereda! Senang rasanya karena tidak perlu minum obat lagi. Saya merasa sangat mengantuk, jadi siang dan sore hari saya sering sekali merasa mengantuk. Yah, saya biasanya tidur siang sih (tertawa). Tidur siang dianggap sangat baik. Astronot NASA\u2026<\/p>","protected":false},"author":2,"featured_media":6615,"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":[34,36],"tags":[694,1364,1365,1366,1367],"class_list":["post-6613","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-slope-work","category-quality","tag-694","tag-1364","tag-1365","tag-1366","tag-1367"],"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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