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INDONESIA
eUREKA : Jurnal Penelitian Mahasiswa Teknik Sipil dan Teknik Kimia
Published by Universitas Tribhuwana Tunggadewi
ISSN : -     EISSN : 2548771X     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Energy Engineering Industrial & Manufacturing Engineering
Focus and Scope of this journal are : Chemical Engineering including : bioenergy processing, environmental engineering, natural resource management, Heat and Mass Transfer, Chemical Reaction, Analytical Chemistry, Biochemistry, Designing tools and chemical processes, Chemical industry process, Computing and modeling (simulation) process, Particle and nano technology, membrane technology, esessential oil technology, and phytopharmaca, etc. Civil Engineering including : technology of construction materials, transportation system, environmental layout, concrete and wood structures, steel construction, bridge and dam construction, management of water resources and Hydrology, earthquake engineering, sanitation systems and urban drainage. eUREKA is published twice a year on Juni and December by Engineering Faculty of Universitas Tribhuwana Tunggadewi Malang
Arjuna Subject : -
Articles 13 Documents
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Search results for , issue "Vol 3, No 2 (2019): EDISI DESEMBER 2019" : 13 Documents clear
PRA RANCANG BANGUN PABRIK PUPUK BIOCHAR DARI TANDAN KOSONG KELAPA SAWIT DENGAN KAPASITAS 11.000 TON/TAHUN MENGGUNAKAN ALAT UTAMA ROTARY KILN Susanto, Susanto; Abrina Anggraini, Sinar Perbawani
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Abstract

Kelapa sawit merupakan tanaman perkebunan terbesar di Indonesia dan menghasilkan limbah padat Tandan Kosong Kelapa Sawit (TKKS) sangat besar. Pemanfaatan limbah TKKS umumnya dibakar dan dihamparkan pada lahan kosong. TKKS yang melimpah mempunyai potensi untuk dijadikan pupuk dengan penambahan NPK atau disebut pupuk biochar. Pupuk ini sangat baik bagi pembenahan kesuburan tanah dan tanaman pertanian terutama di daerah rawa. Dengan menggunakan terknologi pirolisis dapat menambah nilai ekonomis limbah TKKS dan sebagai solusi pengolahan limbah TKKS. Diharapkan dengan pra desain pupuk biochar dapat memenuhi kebutuhan pupuk pertanian dan memberikan solusi pengolahan limbah yang tepat. Pabrik pupuk biochar dengan kapasitas 11.000 ton/tahun akan didirikan pada tahun 2019 di Kabupaten Melawi, Kalimantan Barat. Proses yang digunakan adalah Pirolisis Lambat menggunakan alat Rotary Kiln. Proses ini dapat mengkonversi limbah biomassa menjadi biochar dengan waktu operasi 24 jam dan 300 hari/tahun. Berdasarkan analisia ekonomi, data yang diperoleh sebagai berikut: Total Capital Investment (TCI) Rp. 44.083.460.691; Return Of Investment (ROTat) 66%; Return Ogf investment (ROIbt) 73%; Pay Out Time (POT) 15,8 bulan; Break Event Point (BEP) 31,17%; Shut Down Point (SDP) 1301,203 ton/tahun; Internal Rate of Return; 61,05%. Maka disimpulkan bahwa Pra Rancang Bangun Pabrik Pupuk Biochar Dari TKKS Dengan Kapasitas 11.000 Ton/Tahun Layak Didirikan. Kata kunci: Pupuk Biochar, TKKS, Pirolisis, Rotary Kiln ABSTRACT Palm oil is the largest plantation crop in Indonesia and produce very large Oil Palm Empty Fruit Bunch (TKKS) solid waste. Utilization of TKKS waste is generally only burned and spread on vacant land. The abundant number of TKKS has the potential to be used as fertilizer with the addition of NPK or called biochar fertilizer. This fertilizer is very good for improving soil fertility and agricultural crops mainly in swampy areas. By using pyrolysis technology can add economic value to the TKKS waste and as a solution for treating TKKS waste. It is expected that the pre-design of biochar fertilizers can meet the needs of agricultural fertilizers and provide appropriate waste treatment solutions. A biochar fertilizer plant with a capacity of 11,000 tons / year will be established in 2019 in Melawi Regency, West Kalimantan. The process used is Slow Pyrolysis and uses a Rotary Kiln machine. This process can convert biomass waste into biochar with an operating time of 24 hours and 300 days / year. Based on economic analysis, the data obtained are as follows: Total Capital Investment (TCI) Rp.44,083,460,691; Return of Investment (ROIat) 66%; Return Of investment (ROIbt) 73%; Pay Out Time (POT) 15.8 months; Break Event Point (BEP) 31.17%; Shut Down Point (SDP) 1301,203 tons / year; Internal Rate of Return; 61.05%. So it was concluded that the pre-design of building a biochar fertilizer plant from tkks with a capacity of 11,000 tons/year was worth building.
PERENCANAAN DINDING PENAHAN TANAH TIPE KANTILEVER PADA JALAN BRIGJEND ABDUL MANAN WIJAYA SEPANJANG 50 METER DI KECAMATAN PUJON KABUPATEN MALANG Bau Mau, Dionisius; Sulistyati, Kiki Frida
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Abstract

Dinding penahan tanah merupakan komponen struktur bangunan penting utama untuk jalan raya dan bangunan lingkungan lainnya yang berhubungan tanah berkontur atau tanah yang memiliki elevasi berbeda. Secara singkat dinding penahan merupakan dinding yang dibangun untuk menahan massa tanah di atas struktur atau bangunan yang dibuat. Ada beberapa jenis dinding penahan yang sering digunakan dalam bidang konstruksi bangunan antara lain dinding penahan gravitasi, dinding penahan kantilever, dinding penahan kontrafort, dan dinding penahan butters, yang dipakai dalam penelitian ini adalah dinding penahan tipe kantilever dengan menggunakan beton K225. Tujuan dari penelitian ini adalah untuk menganalisa stabilitas terhadap gaya guling, geser dan daya dukung tanah. Dimensi dinding penahan ini dibangun dengan panjang (b) 50 meter dan tinggi (h) = 9,5 meter, lebar dasar (B) = 4 meter, kondisi muka air normal tanpa gempa, stabilitas terhadap gaya guling= 1,7> 1,5 (aman), gaya geser = 2,0> 1,5 (aman), , kondisi muka air banjir tanpa gempa, stabilitas terhadap gaya guling= 1,9> 1,5 (aman), gaya geser = 3,4> 1,5 (aman)dan gaya dukung tanah = 203,6< qa = 3191,17 (aman). Dinding penahan direncanakan memerlukan biaya Rp. 568.983,00/m3. Kata kunci : stabilitas; dinding penahan; kantilever ABSTRACT The retaining wall is a major component of the main building structure for highways and other environmental buildings related to contoured soils or soils of different elevations. Briefly the retaining wall is a wall constructed to hold the mass of the ground above the structure or building created. There are several types of retaining wall which are often used in building construction such as gravity retaining wall, cantilever retaining wall, counter contrast wall, and butter bracket wall, used in this research is cantilever type wall with K225 concrete. The purpose of this study was to analyze the stability of the guling style, shear and soil bearing capacity. The dimension of the retaining wall is constructed with a length of (b) 50 meters and height (h) = 9.5 meters, base width (B) = 4 meters, normal waterfront condition without earthquake, stability to rolling force = 1,7> 1, 5 (safe), shear force = 2,0> 1.5 (safe),, flood water condition without seismic, stability to bolsters = 1,9 > 1.5 (safe), shear force = 3,4> 1.5 (safe) and ground support force = 203,6
ANALISIS UPAYA PENGELOLAAN LINGKUNGAN DAN UPAYA PEMANTAUAN LINGKUNGAN (STUDI KASUS: RENCANA PEMBANGUNAN GEDUNG INKUBATOR BISNIS UNIVERSITAS TRIBHUWANA TUNGGADEWI MALANG) Samah, Syamsuddin; Rahma, Pamela Dinar
eUREKA : Jurnal Penelitian Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2019): EDISI DESEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Abstract

Upaya Pengelolaan Lingkungan dan Upaya pemantauan Lingkungan dianggap perlu karena kegiatan usaha pembangunan gedung inkubator yang merupakan pekerjaan konstruksi ini kerap meresahkan masyarakat sekitar dengan aktifitas proyek yaitu masuk dan keluarnya kendaraan pengangkut material, dan juga aktifitas-aktifitas proyek lainnya. Ditambah lagi dengan lokasi rencana pembangunan ini berada persis dilingkungan lembaga pendidikan (universitas). Kegiatan usaha diatas, sudah barang tentu harus ada pengelolaan dan pemantauan yang intens sehingga dapat meminimalisir dampak terhadap masyarakat juga terhadap kegiatan belajar dan mengajar kampus. Dalam melakukan UPL dan UKL digunakan metode Analisa FMEA (Failure Mode and Effect Analysis). Dari hasil ananlisis menunjukan bahwa nilai fungsi bangunan Inkubator bisnis yang akan dibangun memiliki presentasi yang lebih tinggi dibandingkan dampak yang ditimbulkan akibat pembangunan Inkubator Bisnis UNITRI. Kata kunci : Inkubator bisnis, UKL dan UPL ABSTRACT Environmental Management Efforts and Environmental Monitoring Efforts are deemed necessary because the business activities of building an incubator building which is a construction work are often troubling the surrounding community with project activities, namely the entry and exit of material transport vehicles, as well as other project activities. Coupled with the location of this development plan is located directly within the educational institution (university). The above business activities, of course there must be intense management and monitoring so as to minimize the impact on the community as well as on campus teaching and learning activities. In conducting UPL and UKL, the FMEA Analysis method (Failure Mode and Effect Analysis) is used. From the analysis results show that the value of the function of the business Incubator building to be built has a higher presentation than the impact caused by the construction of the UNITRI Business Incubator.

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