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All Journal International Conference on Coastal and Delta Areas Pondasi Prosiding Seminar Nasional Inovasi Dalam Pengembangan SmartCity
Djoko Susilo Adhy
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Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Environmental Science Physics Social Sciences Transportation Other

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Journal : Pondasi

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Karakteristik Kuat Tekan Campuran Beton dengan tambahan Serat Tembaga dan Serbuk Besi Prabowo Setiawan; Djoko Susilo Adhy; Muhamad Rusli Ahyar
Pondasi Vol 26, No 2 (2021): Jurnal Pondasi
Publisher : UNISSULA Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/pondasi.v26i2.18638

Abstract

Limbah adalah zat-zat sampah yang merupakan hasil dari suatu proses produksi. Jika limbah dibiarkan tanpa ada suatu proses pengolahan tertentu maka dikhawatirkan akan mencemari lingkungan. Contoh limbah yang dapat merusak lingkungan adalah limbah serbuk besi dan serat-serat tembaga. Dalam perkembangan teknologi material beton, banyak dilakukan penelitian tentang pemanfaatan limbah yang dapat digunakan sebagai bahan campuran beton. Penelitian ini memiliki tujuan untuk mengetahui pengaruh penambahan limbah serbuk besi dan serat tembaga pada campuran beton terhadap kuat tekan beton. Pengujian kuat tekan beton dilakukan berdasarkan standar uji SNI 03-1974-1990. Pengujian dilakukan dengan acuan beton normal dengan mutu rencana 20 MPa. Pembuatan sampel benda uji dilakukan dengan cara memberikan variasi penambahan serbuk besi sebesar 2%, 2,5%, dan 3% dan variasi penambahan serat tembaga sebesar 1%, 1,5%, dan 2% dari berat volume beton. Semua sampel diuji ketika umur beton mencapai 28 hari. Hasil pengujian menunjukkan bahwa kuat tekan optimum beton dengan penambahan serbuk besi dan serat tembaga menggunakan variasi serbuk besi 2% dan serat tembaga 2%, mempunyai kuat tekan 22,702 MPa dengan kenaikan 0,403% dari beton normal.
OPTIMIZATION OF TRAYEMAN SUB TERMINAL PERFORMANCE IN TEGAL DISTRICT Agil Suprayogi; Djoko Susilo Adhy
Pondasi Vol 23, No 1 (2018): JUNI 2018
Publisher : UNISSULA Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/pondasi.v23i1.11202

Abstract

The terminal is a public motor vehicle station which used to regulate arrival and departure, pick and drop passenger and/or stuff, and movement of transportation mode. This research aims to know terminal technical performance, quality of service and level of satisfaction and make recommendations for handling to be more optimal.The methods which used in this research for data collection are used terminal inventory survey methods, static surveys and interviews of terminal service users and literary methods. Analysis method using descriptive analysis of terminal technical performance to know the space capacity and terminal facility needs, Importance Performance Analysis (IPA) methods to know perceptions of terminal service users and SWOT analysis methods to obtain optimization strategies for handling. Based on IPA analysis method shows that passenger and driver feel less satisfied with service of sub terminal of Trayeman and obtained SWOT quadrant value for the x-axis is -0.15 and for the y-axis is 1.20 with the recommendations given are change strategy, among others with maintain location, accessibility, stretch path, improvement of main facilities and supporting facilities and with local government fund support in order to improveservice to the community. The calculation of the three investment criteria for structuring the utilization of trayeman sub terminal obtained values NPV Rp.157,692,680 B/C Ratio value is 1.05 and IRR value is 8.23% and it can be concluded that the project is feasible to implement.Key word: Terminal, IPA, SWOT, Investment criteria
Co-Authors Agil Suprayogi Agus Pamungkas Helmy Five Arifianto Henny Pratiwi Adi Jumadianto . Muhamad Rusli Ahyar Muhammad Afif Ridwan Prabowo Setiawan S Imam Wahyudi Soedarsono . Soedarsono Soedarsono