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Kapasitas Lentur Balok Pada Beton Bertulang dengan Agregat Lokal dari Sungai Babulu Malaka, Nusa Tenggara Timur Bianco , Ricardo Justino; Rasidi , Nawir; Wijaya , Handika Setya; Ningrum, Diana
Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Vol 6 (2023): PROSIDING SENTIKUIN
Publisher : Fakultas Teknik Universitas Tribhuwana Tunggadewi

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Abstract

Sand and crushed stone from the Babulu River in Malacca Regency is one of the materials that is often used by the local community as an aggregate for concrete construction, as a construction material the aggregate must meet technical requirements. The research method used was experimental with cylindrical samples measuring 15 cm x 30 cm and beams measuring 8 cm x 12 cm x 120 cm. The aggregate variations used were 0%, 25%, 50%, 75%, and 100%. Data were analyzed by assessing physical properties such as sieve analysis, silt content, moisture content, and specific gravity of aggregates. Further testing was carried out to test the compressive strength of concrete, to test the bending strength of the beam, and the deflection that occurs in the beam. The results showed that the sand and crushed stone material from Babulu River had a fineness modulus of 3.61%, while that of Malang Regency was 2.63%. Meanwhile, for coarse aggregate, the fineness modulus gradation of Babulu River is 4.06%, while that of Malang Regency is 4.43%. The use of the 50% variation of aggregate material from the Babulu River in the concrete mix produced a fairly good average compressive strength value. At 28 days of age, concrete using material from the Babulu River achieved an average compressive strength of 16.26 MPa. Reinforced concrete beams using materials from the Babulu River had an average flexural load-bearing capacity of 1,800 kg and an average deflection of 5.16 mm.
PERENCANAAN ULANG STRUKTUR GEDUNG INTEGRASI RUMAH SAKIT JIWA MENUR SURABAYA Said, Abdullah Salim; Suryadi, Akhmad; Rasidi , Nawir
Jurnal Online Skripsi Manajemen Rekayasa Konstruksi (JOS-MRK) Vol. 4 No. 3 (2023): SEPTEMBER 2023
Publisher : Jurusan Teknik Sipil Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jos-mrk.v4i3.3151

Abstract

Gedung Integrasi Rumah Sakit Jiwa Menur Surabaya beralamatkan di Jl. Raya Menur No.120, Kertajaya, Kec. Gubeng, Kota Surabaya, Jawa  Timur. Terdiri atas 5 lantai + Dak dengan luas total bangunan ± 2838 m2 . Perencanaan Ulang Struktur Gedung Integrasi Rumah Sakit Jiwa Menur ditujukan untuk memenuhi suatu perencanaan struktur bangunan gedung bertingkat yang direncanakan sesuai dengan peraturan yang berlaku di Indonesia. Penulis merencanakan ulang struktur beton bertulang, dengan menggunakan Software Autodesk Robot Structural Analysis, yang membantu penulis merencanakan ulang struktur dan rencana anggaran biaya.Dari hasil merencanakan ulang diperoleh pelat atap dengan tebal 130 mm menggunakan tulangan utama D10-200 mm dan 200 mm D10-150 mm. Balok B1 40/60 cm pada tulangan tumpuan atas 6D22 dan bawah 4D22, tulangan lapangan atas 3D22 dan bawah 4D22. Balok B2 30/45 cm pada tulangan tumpuan atas 5D22 dan bawah 4D22, tulangan lapangan atas 3D22 dan bawah 4D22. Kolom K1 50/70 cm menggunakan tulangan utama 16D22 dengan 4D12-100 untuk tulangan sengakang tumpuan dan 4D12-150 untuk tulangan sengakang lapangan. Permodelan, detailing dan rencana anggaran biaya dilakukan dengan aplikasi Autodesk AutoCad untuk pembebanan dan analisis desain menggunakan Auotdesk Robot Structrual Analysis Rencana Anggaran Biaya untuk elemen struktur sebesar Rp 21.841.660.988,34