Desain Modifikasi Struktur Gedung Apartemen One East Surabaya Menggunakan Struktur Flat Slab Dengan Penambahan Shear Wall
Submission Date: 2018-07-30 15:00:35
Accepted Date: 2019-02-25 00:00:00
Abstract
Abstrak Gedung Apartemen One East Surabaya merupakan gedung yang difungsikan sebagai hunian vertikal yang dibangun di kawasan perumahan. Apartemen One East sendiri merupakan gedung dengan struktur 31 lantai yang memiliki tipe tipikal sehingga mulai dari lantai 4 ke atas mempunyai konfigurasi denah yang sama. Gedung ini dibangun dengan beton bertulang menggunakan metode cor ditempat sehingga memerlukan waktu pengerjaan yang relatif lama. Dalam pengerjaannya pun, seringkali kurang memerhatikan ketelitian dan faktor kenyamanan seperti tinggi ruang bebas sehingga hasil pengerjaan tidak maksimal. Pada Desain struktur gedung apartement One East ini akan di desain ulang dengan menggunakan struktur Flat Slab. Rangka utama akan didesain sebagai Sistem Rangka Gedung dan dinding struktur didesain sebagai dinding struktur beton khusus. Berdasarkan hasil analisa yang telah dilakukan didapatkan ringkasan bahwa rangka utama gedung mampu menahan beban lateral arah X dan Y yang masing-masing arah sebesar 8,41% dan 4,85% sehingga syarat Sistem Rangka Gedung terpenuhi. Analisa harga terhadap perbedaan tebal pelat dilakukan untuk mengetahui efektivitas pemilihan tebal pelat yang efisien dan ekonomis. Dari hasil analisa tersebut didapatkan bahwa biaya pembuatan Option 1 (t pelat=350 mm, t drop panel =100 mm) menghasilkan harga pembuatan sebesar Rp74.553.887 dan biaya pembuatan Option 2 (t pelat=250 mm, t drop panel =200 mm) menghasilkan harga pembuatan sebesar Rp66.499.595. Sehingga dalam pembuatannya Option 2 dapat menghemat biaya pembuatan pelat sebesar 10,803%.
Keywords
flat slab; beton bertulang; shear wall; drop panel; coloumn capital
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