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All Journal Sinergi Program Kreativitas Mahasiswa - Penelitian Semesta Teknika Jurnal Teknik Sipil Bulletin of Civil Engineering Journal of the Civil Engineering Forum
Taufiq Ilham Maulana
Universitas Muhammadiyah Yogyakarta
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Journal : Sinergi

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STUDI KUAT TEKAN MATERIAL PASIR BERBAHAN CAMPUR SAMPAH KACA DAN PLASTIK RUMAH TANGGA Taufiq Ilham Maulana
SINERGI Vol 21, No 1 (2017)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (799.634 KB) | DOI: 10.22441/sinergi.2017.1.002

Abstract

Indonesia merupakan salah satu penghasil sampah terbesar di Indonesia. Sampah menjadi masalah apabila tidak dapat diuraikan dan menimbulkan masalah derivatif lainnya. Sampah non-organik yang umum berada di Indonesia adalah sampah plastik dan kaca. Dalam penelitian ini, diusulkan alternatif pengurangan sampah rumah tangga berupa plastik dan kaca untuk dijadikan material dengan campuran tanah dan diuji kuat tekannya. Pengujian dilakukan untuk melihat berat jenis dan kuat tekan sampel. Sampel yang dibuat masing-masing berjumlah 3 dengan ukuran kubus dengan sisi 50 mm. Variasi perbandingan campuran sampel plastik : kaca : tanah berturut-turut adalah 1:0,5:2,5 ; 1:1:2; 1:1,5:1,5; dan 1:2:1. Hasil menunjukkan bahwa kuat tekan maksimal yang diraih adalah 14,33 MPa dengan perbandingan 1:0,5:2,5 dengan kegagalan sampel berupa retak diikuti pengelupasan agregat dan dengan penambahan kaca dan pengurangan tanah akan meningkatkan berat jenis tetapi menurunkan kuat tekan. Penelitian ini tidak menargetkan kuat tekan, tetapi memberikan alternatif pengurangan sampah selain menggunakan daur ulang.
STRESS AND DEFORMATION STUDY ON CASTELLATED STEEL BEAM WITH TAPERED SHAPE AND HEXAGONAL OPENINGS Taufiq Ilham Maulana; Bagus Soebandono; Aris Susanti
SINERGI Vol 23, No 1 (2019)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (483.031 KB) | DOI: 10.22441/sinergi.2019.1.009

Abstract

Castellated steel beam is a beam with a regular section cut into half with a particular pattern and regrouped with welding to increase its height compared to the original. This structure element has been developed in building constructions since many years ago. However, its uniform section along the span will make the modification no longer effective in cantilever structure, unless it has additional adaptation. Therefore, in this study, it is proposed to use a castellated steel beam with a tapered shape to be applied as cantilever structures. A steel beam with IWF section 150x75x5x7 is the primary sample type in this research. Some variations were made such as openings angle for 450 and 500, openings space for 50 mm, 70 mm, and 90 mm, openings diameter for 50 mm, 75 mm, and 100 mm, and span length for 2 m, 2.5 m, 3 m, and 3.5 m. Two open-source software namely FreeCAD and LisaFEA were used to draw solid 3-dimensional samples and to conduct the numerical analysis to determine stress and deformation respectively. From the result, it is known that the smallest stresses and deformations can be achieved by a different angle of openings, openings space, and diameter for each span length.
Co-Authors Aditya Riski Taufani Anam, Ariq Naufal Anam, Ariq Naufal Aris Susanti Bagus Soebandono Erlinda, Risky Dwi Fadillawaty Saleh, Fadillawaty Fauzan, Okta Marzantio Hakas Prayuda Ismayana, Raka Putra Ismayana, Raka Putra Musofa Musofa Nugroho, Bintang Noorohmad Wahyu Nugroho, Bintang Noorohmad Wahyu Paudel, Satish Puji Utomo Putra, Firhan Mahreza Yunanto Salsabila, Bella Soebandono, Bagus soebandono, Bagus Soebandono, Bagus Sofyan Sahuri Syarif Susanti, Aris