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BAHAN KULIAH Struktur Beton II (TC305) Prodi Teknik Sipil Diploma III BAB 4 -  1 BAB IV LANGKAH-LANGKAH PERHITUNGAN 4.1. ANALISIS DAN PE RANCANGAN PELAT Pelat merupakan struktur dari beton bertulang yang memiliki sifat dan prilaku khusus. Sebelum dilakukan perencanaan balok dan kolom, biasanya dilakukan perancangan struktur pelat terlebih dahulu. Hal yang harus diperhatikan dalam perancangan struktur pelat antara lain : pembebanan, ukuran pelat dan syarat-syarat tumpuan tepi. Syarat tumpuan tepi akan menentukan jenis perletakan dan jenis ikatan ditempat tumpuan. Jenis pelat yang paling sederhana adalah pelat satu arah yaitu pelat yang didukung pada dua sisi yang berhadapan sehiigga lenturan timbul hanya dalam satu arah saja, yaitu tegak lurus pada arah sisi dukungan tepi. sedangkan pelat dua arah adalah pelat yang didukung pada keempat sisinya yang lenturannya akan timbul dalam dua arah yang saling tegak lurus. A. Menentukan Tebal Pelat Berdasarkan SK SNI T-15-1991-03 pasal 3.2.5 bahwa tebal pelat minimum diambil rumus : h min  = ln / 28 (0,4 + fy/700) Dimana : h min  = Tebal pelat minimum ln = Panjang bersih bentang yang terpanjang fy = Tegangan leleh baja B. Penentuan Selimut Beton Penutup beton atau selimut beton digunakan untuk melindungi baja tulangan dengan persyaratan bahwa lapisan beton itu harus menjamin penanaman tulangan serta lekatannya dengan beton, menghindari korosi yang mungkin terjadi dan meningkatkan perlindungan struktur terhadap bahaya
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Bab IV Bahan Kuliah Str. Beton Iia

Apr 14, 2018

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