{"id":646,"date":"2024-12-09T04:40:47","date_gmt":"2024-12-08T21:40:47","guid":{"rendered":"http:\/\/www.tneutron.net\/seni\/?p=646"},"modified":"2024-12-06T13:46:56","modified_gmt":"2024-12-06T06:46:56","slug":"pemeriksaan-fisik-dan-mekanik-kayu","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/seni\/pemeriksaan-fisik-dan-mekanik-kayu\/","title":{"rendered":"Pemeriksaan Fisik dan Mekanik Kayu"},"content":{"rendered":"

a) Pemeriksaan kuat lentur kayu<\/strong>
\nAlat dan bahan yang dibutuhkan :
\no Mesin tekan\/tarik dengan perlengkapannya
\no Dial manometer
\no Mistar ukur\/rol meter
\no Kayu dengan ukuran 5 x 5 x 76 cm<\/p>\n

Cara Pemeriksaan
\no Siapkan alat perlengkapan kuat lentur pada mesin tekan
\no Letakan kayu pada mesin dengan jarak tumpuan 70 cm.
\no Berikan beban pada tengah-tengah kayu dengan kecepatan 2,5 mm per menit dengan penyimpangan \u00b1 25%.
\no Perhatikan pembebanan dan penurunan defleksi.
\no Baca beban (P) apabila kayu sudah mengalami pecah dan tidak mampu dibebani.
\no Hitng kuat lentur dengan rumus 3 PL\/2BH\u00b2, dimana
\nP = Beban Patah
\nL = Jarak Tumpuan
\nB = Lebar Benda Uji
\nH = Tinggi Benda Uji
\n\"image\"<\/a><\/p>\n

b) Pemeriksaan Keteguhan Tekan Sejajar Serat Kayu
\n<\/strong>Alat dan bahan yang dibutuhkan :
\n– Mesin tekan dengan perlengkapannya
\n– Ukuran kayu 5 x 5 x 20 cm
\nCara Pemeriksaan
\n– Ukuran luas Bidang tekan kayu tersebut (5 x 5 cm)F
\n– Letakan benda uji pada mesin tekan
\n\"image\"<\/a><\/p>\n

– Pembebanan dilakukan secara kontinyu dengan kecepatan gerak 0,008 cm tiap panjang contoh uji per menit.
\n– Pembacaan beban (P) dan Deformasi dilakukan sampai mencapai maksimum.
\n– Hitung keteguhan tekan sejajar serat kayu
\n\"image\"<\/a><\/p>\n

c) Pemeriksaan Keteguhan Tegak Lurus Serat<\/strong>
\nAlat dan Bahan yang dibutuhkan :
\n– Mesin tekan dengan perlengkapan
\n– Mistar ukur\/rol meter
\n– Lempengan besi 5 x 5 cm dengan tebal 5 mm
\n– Ukuran kayu 5 x 5 x 15 cm
\nCara Pemeriksaan :
\n– Benda uji diletakkan pada mesin ketam
\n– Letakan lempengan besi 5 x 5 cm dengan tebal 5 mm di atas benda uji tepat di tengah-tengah.
\n– Beban menekan secara kontinyu, dengan kecepatan 0,3 mm per menit , sehingga beban akan bekerja melalui lempeng besi pada bidang radial kayu.
\n– Beban ditekan pada benda uji sampai besi lempengan mendesak 2,5 mm.
\n– Tentukan kuat tekan tegak lurus serat.
\n\"image\"<\/a><\/p>\n

d) Pemeriksaan Kuat Tarik Tegak Lurus Serat<\/strong>
\nAlat dan Bahan yang dibutuhkan :
\n– Mesin tarik
\n– Bor dengan \u00d8 2,5 cm
\n– Gergaji
\n– Kayu dengan ukuran 4 x 5 x 6 cm
\nCara Pemeriksaan :
\n– Letakkan benda uji pada alat tarik dalam keadaan terjepit pada mesin tarik.
\n– Beban diberikan secara kontinyu dengan kecepatan 0,25 cm per menit.
\n– Uji sampai pecah hasilnya dilihat bebannya (P) kg
\n– Hitung keteguhan tarik tegak lurus serat<\/p>\n

e) Pemeriksaan Kuat Tarik Sejajar Serat<\/strong>
\nAlat dan Bahan yang dibutuhkan
\n– Mesin tarik dan perlengkapannya
\n– Gergaji
\n– Pahat kayu
\n– Kayu seperti dalam gambar
\nCara Pemeriksaan
\n– Benda uji masukkan pada penjepit mesin tarik
\n– Benda uji ditarik secara kontinyu dengan kecepatan 0,25 cm per menit
\n– Benda ditarik sampai putus dan kekuatannta (P)<\/p>\n","protected":false},"excerpt":{"rendered":"

a) Pemeriksaan kuat lentur kayu Alat dan bahan yang dibutuhkan : o Mesin tekan\/tarik dengan perlengkapannya o Dial manometer o<\/p>\n","protected":false},"author":1,"featured_media":641,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[809],"tags":[994,992,990,996,997,991,993,998,999,995],"class_list":["post-646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pemeriksaan-bahan-kayu","tag-jurnal-sifat-mekanik-kayu","tag-kekuatan-mekanik-kayu","tag-mekanik-kayu","tag-sifat-mekanik-kayu-adalah","tag-sifat-mekanik-kayu-jati","tag-sifat-mekanik-kayu-kelapa","tag-sifat-mekanik-kayu-lapis","tag-sifat-mekanik-kayu-pdf","tag-sifat-mekanik-kayu-sengon","tag-uji-sifat-mekanik-kayu"],"yoast_head":"\nPemeriksaan Fisik dan Mekanik Kayu - TN Seni<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tneutron.net\/seni\/pemeriksaan-fisik-dan-mekanik-kayu\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Pemeriksaan Fisik dan Mekanik Kayu - 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